KinCony DI8 i2c io expander input board esp32 gpio board Tuya app (need Tuya license)

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KinCony DI8 i2c io expander input board esp32 gpio board Tuya app (need Tuya license)KinCony DI8 is PCF8574 IO Expansion i2c relay board. extend 8 channel digital input port (with optocoupler isolation circuit). digital input support use by dry contact signal. 8 LEDs show INPUT state on PCB. A0,A1,A2 PCF8574 i2c address can set by DIP switch. DI8 support install on DIN RAIL. it's open source board. here is schematic for DI8 it support integrate to home assistant by ESPHome. here is yaml file for ESPHome. here is arduino demo source

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