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.
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