PCF8574 io expansion i2c relay board – KinCony DO8 released - Printable Version +- Smart Home Automation Forum (https://www.kincony.com/forum) +-- Forum: Technical Support (https://www.kincony.com/forum/forumdisplay.php?fid=1) +--- Forum: News (https://www.kincony.com/forum/forumdisplay.php?fid=5) +--- Thread: PCF8574 io expansion i2c relay board – KinCony DO8 released (/showthread.php?tid=4634)

PCF8574 io expansion i2c relay board – KinCony DO8 released - admin - 02-24-2024 KinCony DO8 is PCF8574 IO Expansion i2c relay board. extend 8 channel 10A relay. manual control buttons on board can control relay ON/OFF directly without any software. manual control buttons control relay’s coin physically. A0,A1,A2 PCF8574 i2c address can set by DIP switch. DO8 support install on DIN RAIL. it's open source board. it support integrate to home assistant by ESPHome. arduino demo source code for PCF8574 relay output PCB size: 146mm*100mm relay for load: MAX 277VAC 10A , AC125V 12A relay output: COM, NO, NC