{"product_id":"1-10pcs-nrf52840-development-board-compatible-with-nice-nano-v2-0-bluetooth-charging-management-pro-micro-nrf52840-1","title":"1-10pcs NRF52840 Development Board Compatible With Nice!Nano V2.0 Bluetooth Charging Management Pro Micro NRF52840","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\"\u003ePro Micro NRF52840\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\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNRF52840 Development Board\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\"\u003ePro Micro NRF52840\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eVoltage Regulator\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\u003cp\u003e\u003cspan\u003esemi_Choice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"text-align:center\" align=\"center\"\u003e\u003cstrong\u003e\u003cspan style=\"font-size:22px\"\u003e1-10pcs NRF52840 Development Board Compatible With Nice!Nano V2.0 Bluetooth Charging Management Pro Micro NRF52840\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003cdiv style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);background-color:rgb(255, 255, 255);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' align=\"start\"\u003e\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\"\u003e\u003cdiv id=\"dxbglyxpre\" name=\"dxbglyxpre\" 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\"\u003eIntroduction\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv style='font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(34, 34, 34);background-color:rgb(255, 255, 255);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' align=\"start\"\u003e\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\"\u003e\n\u003cdiv style=\"text-align:start;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\" align=\"start\"\u003e\n\u003cp style=\"font-size:16px;line-height:24px;background-color:transparent;border:0px;margin:0px 0px 24px;margin-bottom:24px;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\"\u003eProMicro NRF52840 is a Pro Micro alternative development board that is compatible with Nice! Nano. Its pins are the same as ProMicro, which means it can be used with almost any ProMicro keyboard. The NRF5280 development board has a 3.7V lithium battery interface and a software switch that can cut off the power of the LED. When turned off, the standby power consumption can reach 1mA.\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:24px;background-color:transparent;border:0px;margin:0px 0px 24px;margin-bottom:24px;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\"\u003enRF52840 is a high-performance, low-power wireless SoC chip launched by Norwegian Nordic Semiconductor. It supports multiple wireless protocols, including Bluetooth 5, Thread, Zigbee, ANT, and 2.4GHz. The nRF52840 chip uses an ARM Cortex-M4F processor, clocked at 64MHz, with built-in 1MB of flash memory and 256KB of RAM. It also has a variety of peripherals, including ADC, PWM, SPI, I2C, UART, USB and GPIO, etc. In addition, nRF52840 also supports a variety of security functions, such as AES encryption, SHA-256 hashing and True Random Number Generator (TRNG).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2 id=\"hardware_description\" style=\"font-family:inherit;font-size:30px;font-weight:500;line-height:1.1;text-align:start;color:inherit;margin-bottom:10px;margin-top:20px;box-sizing:border-box\" align=\"start\"\u003eHardware description\u003c\/h2\u003e\n\u003cdiv style=\"text-align:start;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\" align=\"start\"\u003e\u003cp style=\"font-size:16px;line-height:24px;background-color:transparent;border:0px;margin:0px 0px 24px;margin-bottom:24px;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=\"border:0px;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\/Se60103ff8baa4b249c8d15d1a7c66b32O.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003c\/div\u003e\n\u003ch3 id=\"product_parameters\" style=\"font-family:inherit;font-size:24px;font-weight:500;line-height:1.1;text-align:start;color:inherit;margin-bottom:10px;margin-top:20px;box-sizing:border-box\" align=\"start\"\u003eProduct Parameters\u003c\/h3\u003e\n\u003cdiv style=\"text-align:start;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\" align=\"start\"\u003e\u003cp style=\"font-size:16px;line-height:24px;background-color:transparent;border:0px;margin:0px 0px 24px;margin-bottom:24px;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\"\u003ePowerful wireless capabilities: Bluetooth 5.0, onboard antennaPowerful CPU: nRF52840 chip uses ARM Cortex-M4F processor, clocked at 64MHz, built-in 1MB flash memory and 256KB RAMBattery charging chip: supports lithium battery charging and dischargingPower consumption: standby power consumption can reach 1mA\u003c\/p\u003e\u003c\/div\u003e\n\u003ch3 id=\"pin_diagram\" style=\"font-family:inherit;font-size:24px;font-weight:500;line-height:1.1;text-align:start;color:inherit;margin-bottom:10px;margin-top:20px;box-sizing:border-box\" align=\"start\"\u003ePin Diagram\u003c\/h3\u003e\n\u003cdiv style=\"text-align:start;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\" align=\"start\"\u003e\u003cp style=\"font-size:16px;line-height:24px;background-color:transparent;border:0px;margin:0px 0px 24px;margin-bottom:24px;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=\"border:0px;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\/S9672e4fe3c4b4f6685e679f45ecc46c7O.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003c\/div\u003e\n\u003ch3 id=\"dimensions\" style=\"font-family:inherit;font-size:24px;font-weight:500;line-height:1.1;text-align:start;color:inherit;margin-bottom:10px;margin-top:20px;box-sizing:border-box\" align=\"start\"\u003eDimensions\u003c\/h3\u003e\n\u003cdiv style=\"text-align:start;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\" align=\"start\"\u003e\u003cp style=\"font-size:16px;line-height:24px;background-color:transparent;border:0px;margin:0px 0px 24px;margin-bottom:24px;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=\"border:0px;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\/Seeda8dd7051f4e4ab91359c1d5d0295fQ.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003c\/div\u003e\n\u003ch2 id=\"power_supply\" style=\"font-family:inherit;font-size:30px;font-weight:500;line-height:1.1;text-align:start;color:inherit;margin-bottom:10px;margin-top:20px;box-sizing:border-box\" align=\"start\"\u003ePower Supply\u003c\/h2\u003e\n\u003cdiv style=\"text-align:start;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\" align=\"start\"\u003e\u003cp style=\"font-size:16px;line-height:24px;background-color:transparent;border:0px;margin:0px 0px 24px;margin-bottom:24px;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\"\u003eSuperMini NRF52840 supports charging and discharging of 3.7V lithium battery. The charging rate is 100mA during charging, so a 2000mAh battery takes 20 hours to be fully charged.\u003c\/p\u003e\u003c\/div\u003e\n\u003ch3 id=\"recharging_current\" style=\"font-family:inherit;font-size:24px;font-weight:500;line-height:1.1;text-align:start;color:inherit;margin-bottom:10px;margin-top:20px;box-sizing:border-box\" align=\"start\"\u003eRecharging Current\u003c\/h3\u003e\n\u003cdiv style=\"text-align:start;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\" align=\"start\"\u003e\n\u003cp style=\"font-size:16px;line-height:24px;background-color:transparent;border:0px;margin:0px 0px 24px;margin-bottom:24px;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\"\u003ewarnWhen BOOST is connected, the charging current increases from 100ma to 300ma, and it can only be connected when the capacitor capacity is greater than 500mAh (to avoid explosion💥).\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:24px;background-color:transparent;border:0px;margin:0px 0px 24px;margin-bottom:24px;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=\"border:0px;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\/S7c463256805f46baa73bfb2d9ec73051n.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 id=\"external_battery\" style=\"font-family:inherit;font-size:24px;font-weight:500;line-height:1.1;text-align:start;color:inherit;margin-bottom:10px;margin-top:20px;box-sizing:border-box\" align=\"start\"\u003eExternal Battery\u003c\/h3\u003e\n\u003cdiv style=\"text-align:start;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\" align=\"start\"\u003e\n\u003cp style=\"font-size:16px;line-height:24px;background-color:transparent;border:0px;margin:0px 0px 24px;margin-bottom:24px;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\"\u003eIf you need an external battery, you only need to connect the + stage of the battery to B+ and the negative stage to B-. The external lithium battery only supports 3.7V and the charging rate is 100mA (a 2000mAh battery takes 20 hours to be fully charged).NoticeWhen welding, please be careful not to short-circuit the positive and negative poles, which may burn the battery and equipment.\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:24px;background-color:transparent;border:0px;margin:0px 0px 24px;margin-bottom:24px;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=\"border:0px;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\/S57f7ec51e58148f4b072db677e4a34bay.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 id=\"external_vcc_control\" style=\"font-family:inherit;font-size:24px;font-weight:500;line-height:1.1;text-align:start;color:inherit;margin-bottom:10px;margin-top:20px;box-sizing:border-box\" align=\"start\"\u003eExternal VCC control\u003c\/h3\u003e\n\u003cdiv style=\"text-align:start;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\" align=\"start\"\u003e\u003cp style=\"font-size:16px;line-height:24px;background-color:transparent;border:0px;margin:0px 0px 24px;margin-bottom:24px;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\"\u003ehintWhen P0.13 is set to low, the power supply to the 3.3V, VCC pin will be turned off. This is useful for reducing components that use power when idle (e.g. RGB, LEDs).\u003c\/p\u003e\u003c\/div\u003e\n\u003ch2 id=\"bootloader\" style=\"font-family:inherit;font-size:30px;font-weight:500;line-height:1.1;text-align:start;color:inherit;margin-bottom:10px;margin-top:20px;box-sizing:border-box\" align=\"start\"\u003eBootloader\u003c\/h2\u003e\n\u003cdiv style=\"text-align:start;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\" align=\"start\"\u003e\u003cp style=\"font-size:16px;line-height:24px;background-color:transparent;border:0px;margin:0px 0px 24px;margin-bottom:24px;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\"\u003eIf you want to enter Bootloder, please short RST to GND twice within 0.5S. Enter Bootloder, connect to the computer via USB, and a storage device called Nice! Nano will be displayed. At this point you can drag in the .uf2 file to burn the program.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S4b8c4106c1c2469385d4f15043ee2fd1V.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S810de9294b704169900132059eebec93b.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S3739d701d95f42cca49dd53ad9b04dc3e.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S9b6b081fd02e4e0ea6a03b2456028d18b.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sfebb2f0cec8c4d62bba40b77ea2953e8e.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S892289d91dc2459b9ff236124cd1ccddn.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S2b30ec81e5f74bea920fb77f963095f1y.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"2pcs","offer_id":55506181357867,"sku":"14:351074#2pcs","price":29.68,"currency_code":"USD","in_stock":true},{"title":"1pc","offer_id":55506181390635,"sku":"14:350852#1pc","price":18.12,"currency_code":"USD","in_stock":true},{"title":"10pcs","offer_id":55506181423403,"sku":"14:201659813#10pcs","price":167.28,"currency_code":"USD","in_stock":true},{"title":"5pcs","offer_id":55506181456171,"sku":"14:4044226#5pcs","price":110.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S4b8c4106c1c2469385d4f15043ee2fd1V.webp?v=1788928109","url":"https:\/\/yoeruyo.com\/products\/1-10pcs-nrf52840-development-board-compatible-with-nice-nano-v2-0-bluetooth-charging-management-pro-micro-nrf52840-1","provider":"Yoeruyo","version":"1.0","type":"link"}