{"product_id":"pico-2ch-rs485-incorporate-rs485-transceiver-sp3485-using-uart-bus-for-raspberry-pi-pico-with-development-resources-manual","title":"Pico-2CH-RS485 Incorporate RS485 Transceiver SP3485 Using UART Bus for Raspberry Pi Pico with Development Resources Manual","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eAccessory Type\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eExtension Board\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBattery Included\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eno\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSHCHV\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\u003eCompatible With\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eRaspberry Pi Pico\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\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eTypical Application Fields\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eOther Fields\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\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv style=\"font-family:Arial, sans-serif;font-size:14px;font-weight:bold;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(86, 86, 86);background-color:rgb(255, 255, 255);border-bottom:1px solid rgb(204, 204, 204);border-top:1px solid rgb(204, 204, 204);margin:0px 0px 1em;margin-bottom:1em;margin-top:0px;margin-left:0px;margin-right:0px;padding:15px 20px 15px 60px;padding-bottom:15px;padding-top:15px;padding-left:60px;padding-right:20px;box-sizing:border-box\" class=\"overviewSec\" align=\"start\"\u003e2-Channel RS485 Module for Raspberry Pi Pico, SP3485 transceiver, UART to RS485\u003c\/div\u003e\n\u003cdiv style=\"font-family:Arial, sans-serif;font-size:1.5em;font-weight:400;letter-spacing:normal;text-align:center;white-space:normal;color:rgb(86, 86, 86);background-color:rgb(255, 255, 255);margin:1em 0px;margin-bottom:1em;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richWrap\" align=\"center\"\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:border-box\"\u003e\n\u003cdiv style=\"font-size:2em;margin:1em 0px 0px;margin-bottom:0px;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richTitle\"\u003e2-Channel RS485 Module\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"hilitBlock\" style=\"color:red;font-size:0.4em\"\u003efor Pico\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin:1em 0px;margin-bottom:1em;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richDesc\"\u003eincorporates RS485 transceiver SP3485, using UART bus\u003c\/p\u003e\n\u003cdiv\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:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Pico-2CH-RS485\/Pico-2CH-RS485-details-1.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\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:border-box\"\u003e\n\u003cdiv style=\"font-size:2em;margin:1em 0px 0px;margin-bottom:0px;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richTitle\"\u003eFeatures at a glance\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.6em;font-weight:normal;text-align:left;background-color:rgb(244, 244, 244);margin:1em 0px;margin-bottom:1em;margin-top:1em;margin-left:0px;margin-right:0px;padding:1em;padding-bottom:1em;padding-top:1em;padding-left:1em;padding-right:1em;box-sizing:border-box\" class=\"bgGrey alignl subBlock mgnTB\" align=\"left\"\u003e\u003cul style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px 0px 0px 1em;padding-bottom:0px;padding-top:0px;padding-left:1em;padding-right:0px;list-style:outside disc;box-sizing:border-box\"\u003e\n\u003cli style=\"line-height:inherit;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\u003eStandard Raspberry Pi Pico header, supports Raspberry Pi Pico series\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"line-height:inherit;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\u003eUsing UART bus, easily converting UART to RS485, or vice versa\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"line-height:inherit;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\u003eComes with development resources and manual (Raspberry Pi Pico C\/C++ and MicroPython examples)\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003c\/div\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:border-box\"\u003e\n\u003cdiv style=\"font-size:2em;margin:1em 0px 0px;margin-bottom:0px;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richTitle\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable style=\"border-collapse:collapse;font-size:0.6em;text-align:left;background-color:transparent;width:960px\" class=\"tabSty-2 mgnTB subBlock alignl\" align=\"left\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:center;background-color:rgb(244, 244, 244);border:1px solid rgb(220, 220, 220);padding:1em 0.7em 1em 0em\" align=\"center\"\u003e\u003cp\u003eOperating voltage\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align:left;border:1px solid rgb(220, 220, 220);padding:1em\" align=\"left\"\u003e\u003cp\u003e3.3V\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align:center;background-color:rgb(244, 244, 244);border:1px solid rgb(220, 220, 220);padding:1em 0.7em 1em 0em\" align=\"center\"\u003e\u003cp\u003eRS485 transceiver\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align:left;border:1px solid rgb(220, 220, 220);padding:1em\" align=\"left\"\u003e\u003cp\u003eSP3485\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align:center;background-color:rgb(244, 244, 244);border:1px solid rgb(220, 220, 220);padding:1em 0.7em 1em 0em\" align=\"center\"\u003e\u003cp\u003eCommunication bus\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align:left;border:1px solid rgb(220, 220, 220);padding:1em\" align=\"left\"\u003e\u003cp\u003eUART\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align:center;background-color:rgb(244, 244, 244);border:1px solid rgb(220, 220, 220);padding:1em 0.7em 1em 0em\" align=\"center\"\u003e\u003cp\u003eBaudrate\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align:left;border:1px solid rgb(220, 220, 220);padding:1em\" align=\"left\"\u003e\u003cp\u003e300~500000bps\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\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:border-box\"\u003e\n\u003cdiv style=\"font-size:2em;margin:1em 0px 0px;margin-bottom:0px;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richTitle\"\u003eRaspberry Pi Pico header compatibility\u003c\/div\u003e\n\u003cp style=\"margin:1em 0px;margin-bottom:1em;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richDesc\"\u003eonboard female pin header for direct attaching to Raspberry Pi Pico,\u003cbr\u003emale pin header for stacking other modules\u003c\/p\u003e\n\u003cdiv\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:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Pico-2CH-RS485\/Pico-2CH-RS485-details-3.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.7em;text-align:left;color:rgb(255, 0, 0);background-color:rgb(253, 247, 226);border-left:0.3em solid rgb(218, 188, 70);margin:1em 0px;margin-bottom:1em;margin-top:1em;margin-left:0px;margin-right:0px;padding:1em;padding-bottom:1em;padding-top:1em;padding-left:1em;padding-right:1em;box-sizing:border-box\" class=\"msg msg_warning\" align=\"left\"\u003eRaspberry Pi Pico\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003ePico-LCD-0.96\u003cspan\u003e \u003c\/span\u003eare NOT included.\u003c\/div\u003e\n\u003c\/div\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:border-box\"\u003e\n\u003cdiv style=\"font-size:2em;margin:1em 0px 0px;margin-bottom:0px;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richTitle\"\u003eWhat's On Board\u003c\/div\u003e\n\u003cdiv\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:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Pico-2CH-RS485\/Pico-2CH-RS485-details-intro.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"font-size:0.6em;font-weight:normal;text-align:left;background-color:rgb(244, 244, 244);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:1em;padding-bottom:1em;padding-top:1em;padding-left:1em;padding-right:1em;box-sizing:border-box\" class=\"richGridWrap richGridWrap-valignTop richGridWrap-2c alignl subBlock bgGrey\" align=\"left\"\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:5px;padding-bottom:5px;padding-top:5px;padding-left:5px;padding-right:5px;display:inline-block;width:430px;box-sizing:border-box\"\u003e\u003col style=\"margin:0px 0px 1em;margin-bottom:1em;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px 0px 0px 1em;padding-bottom:0px;padding-top:0px;padding-left:1em;padding-right:0px;list-style:outside decimal;box-sizing:border-box\"\u003e\n\u003cli style=\"line-height:inherit;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\u003e\u003cstrong\u003eRS485 bus interface\u003c\/strong\u003e\u003cbr\u003e2-channel RS485\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"line-height:inherit;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\u003e\u003cstrong\u003eUART status indicators\u003c\/strong\u003e\u003cbr\u003eRXD0\/TXD0: Channel 0 RX\/TX indicators\u003cbr\u003eRXD1\/TXD1: Channel 1 RX\/TX indicators\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"line-height:inherit;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\u003e\u003cstrong\u003ePower indicator\u003c\/strong\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style=\"margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:5px;padding-bottom:5px;padding-top:5px;padding-left:5px;padding-right:5px;display:inline-block;width:430px;box-sizing:border-box\"\u003e\n\u003cp\u003e\u003cstrong\u003e4. SP3485 RS485 transceiver\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. SMAJ12CA\u003c\/strong\u003e\u003cbr\u003etransient suppress diode array\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Raspberry Pi Pico header\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\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:border-box\"\u003e\n\u003cdiv style=\"font-size:2em;margin:1em 0px 0px;margin-bottom:0px;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richTitle\"\u003ePinout definition\u003c\/div\u003e\n\u003cdiv\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:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Pico-2CH-RS485\/Pico-2CH-RS485-details-inter.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\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:border-box\"\u003e\n\u003cdiv style=\"font-size:2em;margin:1em 0px 0px;margin-bottom:0px;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richTitle\"\u003eOutline dimensions\u003c\/div\u003e\n\u003cdiv\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:\/\/www.waveshare.com\/img\/devkit\/accBoard\/Pico-2CH-RS485\/Pico-2CH-RS485-details-size.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\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:border-box\"\u003e\n\u003cdiv style=\"font-size:2em;margin:1em 0px 0px;margin-bottom:0px;margin-top:1em;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box\" class=\"richTitle\"\u003eResources \u0026amp; Services\u003c\/div\u003e\n\u003cdiv style=\"background-color:rgb(244, 244, 244);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:1em;padding-bottom:1em;padding-top:1em;padding-left:1em;padding-right:1em;box-sizing:border-box\" class=\"bgGrey\"\u003e\n\u003cdiv\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:\/\/www.waveshare.com\/img\/devkit\/LCD\/common\/res_content.png\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003chr style=\"background-color:rgb(221, 221, 221);border:medium none currentcolor;margin:20px 0px;margin-bottom:20px;margin-top:20px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;width:918px;height:1px;box-sizing:content-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:border-box\"\u003e\n\u003cstrong\u003eWIKI:\u003c\/strong\u003e\u003cstrong\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003ehttp:\/\/www.waveshare.com\/wiki\/Pico-2CH-RS485\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\r\n","brand":"Yoeruyo","offers":[{"title":"Pico-2CH-RS485","offer_id":55514617774379,"sku":"14:10#Pico-2CH-RS485","price":30.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sbde97d4352e94c2fb210aa1c3696243bi.webp?v=1789012814","url":"https:\/\/yoeruyo.com\/products\/pico-2ch-rs485-incorporate-rs485-transceiver-sp3485-using-uart-bus-for-raspberry-pi-pico-with-development-resources-manual","provider":"Yoeruyo","version":"1.0","type":"link"}