{"product_id":"2-channel-isolated-rs485-expansion-hat-for-raspberry-pi","title":"2-Channel Isolated RS485 Expansion HAT for Raspberry Pi","description":"\u003cp\u003e\u003cstrong\u003eKurzbeschreibung:\u003c\/strong\u003e 2-Channel Isolated RS485 Expansion HAT for Raspberry Pi, SC16IS752+SP3485 Solution, with Multi Onboard Protection Circuits\u003c\/p\u003e\u003cdiv class=\"overviewSec\"\u003e2-Channel Isolated RS485 Expansion HAT For Raspberry Pi, SC16IS752+SP3485 Solution, With Multi Onboard Protection Circuits\u003c\/div\u003e\u003cdiv class=\"richWrap\"\u003e\n\u003cdiv class=\"pdT\" style=\"background-color: #F4F4F4;\"\u003e\n\u003cdiv class=\"richTitle\"\u003e2-channel isolated RS485 HAT \u003cspan class=\"hilitBlock\"\u003efor Raspberry Pi\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"hilitBlock2\"\u003e2-Ch RS485, SPI communication\u003c\/p\u003e\n\u003cp class=\"richDesc\"\u003eBulit-in power supply isolation, magnetical isolation, and TVS diode, etc.\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/2-CH-RS485-HAT\/2-CH-RS485-HAT-details-1.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003eFeatures at a glance\u003c\/div\u003e\n\u003cdiv class=\"alignl bgGrey subBlock mgnTB\"\u003e\n\u003cp\u003eThis is a 2-channel isolated RS485 expansion HAT designed for Raspberry Pi, adopts the SC16IS752+SP3485 solution, with embedded protection circuits such as power supply isolation, magnetical isolation, and TVS diode, etc.It is easy to control the 2-channel RS485 for auto transceiving via SPI interface. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for fields like industrial automation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eStandard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards\u003c\/li\u003e\n\u003cli\u003eAdopts SC16IS752+SP3485 dual chip combination, converts SPI to RS485, data rate up to 921600bps\u003c\/li\u003e\n\u003cli\u003eAllows transceiving data manually or automatically, configured by DIP switch\u003c\/li\u003e\n\u003cli\u003eOnboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof \u0026amp; anti-electrostatic\u003c\/li\u003e\n\u003cli\u003eOnboard resettable fuse and protection diodes, ensures the current\/voltage stable outputs, provides over-current\/over-voltage proof, and improves shock proof performance\u003c\/li\u003e\n\u003cli\u003eOnboard LEDs for indicating the power and transceiver status\u003c\/li\u003e\n\u003cli\u003eBreakout SPI control pins, for connecting with host control boards like Arduino\u003c\/li\u003e\n\u003cli\u003eComes with online development resources and manual (examples in C and Python)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable class=\"tabSty-2 mgnTB alignl subBlock\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eUART expansion chip\u003c\/th\u003e\n\u003ctd\u003eSC16IS752\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRS485 transceiver\u003c\/th\u003e\n\u003ctd\u003eSP3485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCommunication interface\u003c\/th\u003e\n\u003ctd\u003eSPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eData rate\u003c\/th\u003e\n\u003ctd\u003e300 ~ 921600 bps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating voltage\u003c\/th\u003e\n\u003ctd\u003e3.3V \/ 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e65.0 × 56.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting hole size\u003c\/th\u003e\n\u003ctd\u003e3.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pdT\"\u003e\n\u003cdiv class=\"richTitle\"\u003eConnect to Raspberry Pi series boards\u003c\/div\u003e\n\u003cp class=\"richDesc\"\u003eStandard Raspberry Pi 40PIN GPIO Header, Customized For Raspberry Pi Series Boards\u003c\/p\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/2-CH-RS485-HAT\/2-CH-RS485-HAT-details-3.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003eWhat's On Board\u003c\/div\u003e\n\u003cimg class=\"mgnTB\" src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/2-CH-RS485-HAT\/2-CH-RS485-HAT-details-intro.jpg\"\u003e\u003cdiv class=\"richGridWrap richGridWrap-valignTop richGridWrap-2c alignl subBlock bgGrey\"\u003e\n\u003cdiv\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSC16IS752\u003c\/strong\u003e               UART expansion chip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eπ142M61\u003c\/strong\u003e               digital isolator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePC817\u003c\/strong\u003e   optocoupler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSP3485\u003c\/strong\u003e   RS485 transceiver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB0505LS\u003c\/strong\u003e   power supply isolation module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRT9193-33\u003c\/strong\u003e   power chip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSMAJ12CA\u003c\/strong\u003e   transient suppress diode array\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSelf-recovery fuse\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003col start=\"9\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatus indicator\u003c\/strong\u003e   PWR: power indicator   RXD\/TXD: UART transceiving indicator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRaspberry Pi GPIO header\u003c\/strong\u003e               for connecting Raspberry Pi\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRS485 terminal\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMCU control header\u003c\/strong\u003e   for connecting host control boards like Arduino\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e120Ω terminal resistor switch\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eInterrupt pin switch\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating mode selection\u003c\/strong\u003e               Half-auto: A=0, B=1   Full-auto: A=1, B=0\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePin switching resistors\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003ePin Definition\u003c\/div\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/2-CH-RS485-HAT\/2-CH-RS485-HAT-details-inter.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shdwImg\"\u003e\n\u003cdiv class=\"richTitle\"\u003eProduct show\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/2-CH-RS485-HAT\/2-CH-RS485-HAT-1_880.jpg\" class=\"round1234\"\u003e\u003cdiv\u003e\u003c\/div\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/2-CH-RS485-HAT\/2-CH-RS485-HAT-2_880.jpg\" class=\"round1234\"\u003e\u003cdiv\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003eOutline dimensions\u003c\/div\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/2-CH-RS485-HAT\/2-CH-RS485-HAT-details-size.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"richTitle\"\u003eResources \u0026amp; Services\u003c\/div\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/LCD\/common\/res_banner.png\"\u003e\u003cdiv class=\"bgGrey\"\u003e\n\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/LCD\/common\/res_content.png\"\u003e\u003chr\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWIKI:\u003c\/strong\u003e\u003ca href=\"http:\/\/www.waveshare.com\/wiki\/2-CH_RS485_HAT\" target=\"_blank\"\u003ewww.waveshare.com\/wiki\/2-CH_RS485_HAT\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"subBlock alignl\"\u003e* Resources for different product may vary, please check the wiki page to confirm the actually provided resources.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003ch2\u003eLieferumfang\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003e2-CH RS485 HAT x1\u003c\/li\u003e\n\u003cli\u003e2x20PIN female pinheader x1\u003c\/li\u003e\n\u003cli\u003eRPi screws pack x1\u003c\/li\u003e\n\u003c\/ol\u003e\u003cimg src=\"https:\/\/www.waveshare.com\/img\/devkit\/accBoard\/2-CH-RS485-HAT\/2-CH-RS485-HAT-details-pack.jpg\"\u003e","brand":"WaveShare","offers":[{"title":"Default Title","offer_id":53568398590289,"sku":"WSAL17221","price":8574.32,"currency_code":"HUF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/3798\/0753\/files\/wsal172211-424461.jpg?v=1776627275","url":"https:\/\/albistech.eu\/products\/2-channel-isolated-rs485-expansion-hat-for-raspberry-pi","provider":"Albistech","version":"1.0","type":"link"}