{"product_id":"yanxd-ds3231-iic-module-ds1302-precision-clock-module-ds1307-memory-module-mini-real-time-3-3v-5v-for-raspberry-pi","title":"YANXD DS3231 IIC Module DS1302 Precision Clock Module DS1307 Memory Module Mini Real Time 3.3V\/5V For Raspberry Pi","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eComputer\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e3.3V\/5V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e-40-+85\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSMD\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e3.3V\/5V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp style=\"font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;color:#000000;background-color:#FFFFFF;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan style=\"color:#C00000;\"\u003e\u003cspan\u003e\u003cspan style=\"font-size:72px;\"\u003eDS3231 module\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;color:#000000;background-color:#FFFFFF;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cimg style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S01a600ef2a2c4147b5e9182095352d393.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Sce468bf2445a4e39bc0f84ef0feeb984O.jpg\"\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:arial, helvetica, sans-serif;font-size:13px;line-height:inherit;background-color:#FFFFFF;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003eDS3231 is a low-cost, extremely accurate I2C real-time clock (RTC), with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. The device incorporates a battery input, disconnect the main power supply and maintains accurate timekeeping. Integrated oscillator improve long-term accuracy of the device and reduces the number of components of the production line. The DS3231 is available in commercial and industrial temperature ranges, using a 16-pin 300mil SO package.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003e   RTC maintains seconds, minutes, hours, day, date, month, and year information. Less than 31 days of the month, the end date will be automatically adjusted, including corrections for leap year. The clock operates in either the 24 hours or band \/ AM \/ PM indication of the 12-hour format. Provides two configurable alarm clock and a calendar can be set to a square wave output. Address and data are transferred serially through an I2C bidirectional bus.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003e   A precision temperature-compensated voltage reference and comparator circuit monitors the status of VCC to detect power failures, provide a reset output, and if necessary, automatically switch to the backup power supply. In addition, \/ RST pin is monitored as generating μP reset manually.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003eSave time and high precision addition, DS3231 also has some other features that extend the system host of additional features and a range of options. The device integrates a very precise digital temperature sensor, through the I2C * interface to access it (as the same time). This temperature sensor accuracy is ± 3 ° C. On-chip power supply control circuit can automatically detect and manage the main and standby power (i.e., low-voltage battery) to switch between the power supply. If the main power failure, the device can continue to provide accurate timing and temperature, performance is not affected. When the main power re-power or voltage value returns to within the allowable range, the on-chip reset function can be used to restart the system microprocessor.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:arial, helvetica, sans-serif;font-size:13px;line-height:inherit;background-color:#FFFFFF;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003eModule parameters:\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003e1 Size: 38mm (length) * 22mm (W) * 14mm (height)\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003e2 Weight: 8g\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003e3 Operating voltage :3.3 - 5 .5 V\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003e4 clock chip: high-precision clock chip DS3231\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003e5 Clock Accuracy :0-40 ° range, the accuracy 2ppm, the error was about 1 minute\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003e6 calendar alarm clock with two\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003e7 programmable square-wave output\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003e8 Real time clock generator seconds, minutes, hours, day, date, month and year timing and provide valid until the year 2100 leap year compensation\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003e9 chip temperature sensor comes with an accuracy of ± 3 °\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003e10 memory chips: AT24C32 (storage capacity 32K)\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003e11.IIC bus interface, the maximum transmission speed of 400KHz (working voltage of 5V)\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003e12 can be cascaded with other IIC device, 24C32 addresses can be shorted A0\/A1\/A2 modify default address is 0x57\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003e13 with rechargeable battery LIR2032, to ensure the system after power failure, the clock move any natural normal\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003e14 Packing: single anti-static packaging\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003eWiring instructions (for Arduino uno r3 for example):\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003eSCL → A5\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003eSDA → A4\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003eVCC → 5V\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003eGND → GND\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cbr\u003e\u003cp style=\"font-family:arial, helvetica, sans-serif;font-size:13px;line-height:inherit;background-color:#FFFFFF;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003eShipping list:\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cbr\u003e\u003cp style=\"font-family:arial, helvetica, sans-serif;font-size:13px;line-height:inherit;background-color:#FFFFFF;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003e1.DS3231 module a (tested good antistatic packaging )\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:arial, helvetica, sans-serif;font-size:13px;line-height:inherit;background-color:#FFFFFF;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003eNote: don't inclue battery,it only need 0.01 dollars,it's not safty to ship by air mail.hope you can understanding\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:16px;font-family:arial;\"\u003e\u003cspan\u003e(2) an electronic file data (including test procedures for Arduino, PDF format schematics, data sheet)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cbr\u003e\u003cp style=\"font-family:arial, helvetica, sans-serif;font-size:13px;line-height:inherit;background-color:#FFFFFF;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cimg style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S5898781956944b0d982064b95fce9ca0M.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Hb98ccf38d8d44aa48f08e6ddad4f5581N.jpg\"\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:arial, helvetica, sans-serif;font-size:13px;line-height:inherit;background-color:#FFFFFF;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cimg style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S3cc20b92510844548b176aafbad119bd5.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Hf63d16c5baaa425fb3e7ef8c07e04925V.jpg\"\u003e\u003c\/p\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cp style=\"font-size:13px;font-weight:400;letter-spacing:normal;line-height:inherit;color:#000000;background-color:#FFFFFF;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan style=\"color:#C00000;\"\u003e\u003cspan style=\"font-size:36px;\"\u003e\u003cspan\u003e\u003cspan style=\"font-family:arial;\"\u003eMini DS3231 module\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color:#C00000;\"\u003e\u003cspan style=\"font-size:36px;\"\u003e\u003cspan\u003ewith battery\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:arial, helvetica, sans-serif;font-size:13px;line-height:inherit;background-color:#FFFFFF;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cimg style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;max-width:100%;box-sizing:border-box;\" src=\"https:\/\/ae01.alicdn.com\/kf\/S41ae9c081e84475e9738d8630121379fM.jpg\" slate-data-type=\"image\" data-src=\"https:\/\/ae01.alicdn.com\/kf\/Se178234793bd4ab592b57d942cd95d703.jpg\"\u003e\u003c\/p\u003e\n\u003cp style=\"font-family:arial, helvetica, sans-serif;font-size:13px;line-height:inherit;background-color:#FFFFFF;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan style=\"font-size:18px;\"\u003eOverview:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;color:#000000;background-color:#FFFFFF;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cbr\u003e\u003cspan style=\"color:#000000;font-size:13px;font-family:arial, helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cspan\u003e1. DS3231 high precision clock module for Raspberry Pi\u003cbr\u003e2. the module can also be used for Arduino motherboard\u003cbr\u003e3. The module itself can be adapted to 3.3 V and 5 V system,\u003cbr\u003eno level conversion, it is super convenient!\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color:#000000;font-size:13px;font-family:arial, helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003e\u003cspan style=\"font-size:18px;\"\u003eFeatures:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style=\"color:#000000;font-size:13px;font-family:arial, helvetica, sans-serif;\"\u003e\u003cspan style=\"font-size:16px;\"\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e1. to 40° to + 85° temperature range, timing accuracy in\u003cbr\u003e    a plus or minus 5 PPM (+\/- 0.432 SEC\/day)\u003cbr\u003e2. To provide continuous timing battery backup\u003cbr\u003e3. Low power consumption\u003cbr\u003e4. The device compatible with DS3231 encapsulation and function\u003cbr\u003e5. Complete the clock calendar function including the second, minute,\u003cbr\u003e6. Two calendar clock\u003cbr\u003e7. 1 Hz and 32.768 kHz output\u003cbr\u003e8. Reset the output and input button to tremble\u003cbr\u003e9. High speed (400 KHZ) the I2C serial bus\u003cbr\u003e10.+ 2.3 V to + 5.5 V power supply voltage\u003cbr\u003e11.The accuracy of plus or minus 3° digital temperature sensor\u003cbr\u003e12.- 40 ° to + 85° temperature range\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cp style=\"line-height:inherit;color:#222222;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"line-height:inherit;color:#222222;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan style=\"color:#339966;font-size:28px;font-family:Arial;\"\u003e\u003cstrong\u003eDS1302\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"font-family:verdana, sans-serif;font-size:18px;line-height:inherit;color:#4F4E4E;background-color:#FFFFFF;border:0px;margin:10px 0px;margin-bottom:10px;margin-top:10px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box;text-align:start;\" align=\"start\"\u003e\u003cul style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;list-style:none;box-sizing:border-box;\"\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003eDS1302 is introduced trickle charge the clock chip, containing a real-time clock \/ calendar and 31 bytes of static RAM, via a simple serial interface\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003eto communicate with the microcontroller. Real-time clock \/ calendar circuit provides seconds, minutes, hours, days, weeks, months, years of\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003einformation, the number of days per month and leap year automatically adjust the number of days. Clock can be done by the AM \/ PM or 12\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003edecided to use 24 hour format. Between the DS1302 and the microcontroller can simply use the synchronous serial communication mode, used\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003eonly three port lines: (1) RST Reset (2) I \/ O data lines (3) SCLK serial clock. Clock \/ RAM read \/ write data to a byte or up to 31 bytes of character\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003eset way communication. DS1302 low-power work to maintain the data and clock information when power is less than 1mW\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003eReal time clock with the year 2100 to calculate the seconds, minutes, hours, days, weeks, months, years, the ability, as well as the ability to leap\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003eyear adjustment\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003e1.31 8 temporary data storage RAM\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003e2.Serial I \/ O port pin makes the least number of ways\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003e3.Wide range of operating voltage 2.0 5.5V\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003e4.Current 2.0V, less than 300nA\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003e5.Read \/ write clock or RAM data transmission when there are two single-byte transmit and multi-byte character sets transfer mode\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003e6.8-pin DIP package or optional 8-pin SOIC package assembly according to the surface\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003e7.simple 3-wire interface\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003e8.Vcc = 5V and TTL-compatible\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003e9.Optional industrial temperature range -40 to +85\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003e10.Dual power tube for the main power and backup power supply\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003cul style=\"font-family:verdana, sans-serif;font-size:18px;color:#4F4E4E;background-color:#FFFFFF;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;list-style:none;box-sizing:border-box;text-align:start;\" align=\"start\"\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003ePCB a single panel, size: 42mm * 24mm * 12mm(max)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003eColor:green (as the picture shows)\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003ewith 4 holes, about 3.1mm in diameter\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003egenuine spare battery for the celestial sphere CR2032, Voltage 3V, current is 260mAh, non-rechargeable batteries.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003eCrystal 32.768KHz, matching capacitance 6pF, size 2 * 6mm\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003eDS1302 made large 8-pin DIP chip, chip, IC Block below for easy replacement and plug the chip\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003emodule operating voltage compatible 3.3V\/5V, 5V and 3.3V microcontrollers can be connected with\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003eOperating temperature: 0-- 70\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003eWiring (to provide the program, for example, can take any IO port, the port defined in the program can be modified):\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003eVCC → +5 V\/3.3V\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003eGND → GND\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003eCLK → P02\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003eDAT → P01\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003eRST → P00\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003e1.VCC and GND must not be reversed, or it will burn the chip\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan\u003e\u003cspan style=\"color:#0070C0;\"\u003e2.51 MCU P0 port requires a pull-up, if your single-chip pull-up resistor is not connected, you can port the data cable to the other\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cbr\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cbr\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cp style=\"line-height:inherit;margin-bottom:0px;margin-top:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\u003cspan style=\"color:#7030A0;\"\u003e\u003cspan style=\"font-size:72px;\"\u003eDS1307\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box;\"\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box;\"\u003eThis is the DS1307 Real Time Clock developed by one of our designer Waiman. The module comes fully assembled and pre-programmed with the current time (ok, so it \\ 's our current time-MST). The DS1307 is accessed via the I2C protocol.\u003c\/div\u003e\n\u003cdiv style=\"color:#000000;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box;\"\u003e\n\u003cspan\u003etwo wire I2C interface\u003c\/span\u003e \u003c\/div\u003e\n\u003cdiv style=\"color:#000000;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box;\"\u003e\n\u003cspan\u003eHour: Minutes: Seconds AM \/ PM\u003c\/span\u003e \u003c\/div\u003e\n\u003cdiv style=\"color:#000000;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box;\"\u003e\n\u003cspan\u003eDay Month, Date Year\u003c\/span\u003e \u003c\/div\u003e\n\u003cdiv style=\"color:#000000;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box;\"\u003e\n\u003cspan\u003eSize: 28x25x10mm\u003c\/span\u003e \u003c\/div\u003e\n\u003cdiv style=\"color:#000000;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box;\"\u003e\n\u003cspan\u003eleap year compensation\u003c\/span\u003e \u003c\/div\u003e\n\u003cdiv style=\"color:#000000;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box;\"\u003e\n\u003cspan\u003eaccurate calendar to year 2100\u003c\/span\u003e \u003c\/div\u003e\n\u003cdiv style=\"color:#000000;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box;\"\u003e\n\u003cspan\u003e1Hz output pin\u003c\/span\u003e \u003c\/div\u003e\n\u003cdiv style=\"color:#000000;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box;\"\u003e\n\u003cspan\u003e56 Bytes of non-volatile memory available user\u003c\/span\u003e \u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Yoeruyo","offers":[{"title":"DS1307","offer_id":55373875249451,"sku":"14:173#DS1307","price":6.48,"currency_code":"USD","in_stock":true},{"title":"DS1302","offer_id":55373875282219,"sku":"14:29#DS1302","price":6.21,"currency_code":"USD","in_stock":true},{"title":"DS3231","offer_id":55373875314987,"sku":"14:201659813#DS3231","price":16.47,"currency_code":"USD","in_stock":true},{"title":"Mini 3231","offer_id":55373875347755,"sku":"14:351074#Mini 3231","price":16.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sa176a774c0844d3196d92ae3f7c66363i.webp?v=1788322644","url":"https:\/\/yoeruyo.com\/products\/yanxd-ds3231-iic-module-ds1302-precision-clock-module-ds1307-memory-module-mini-real-time-3-3v-5v-for-raspberry-pi","provider":"Yoeruyo","version":"1.0","type":"link"}