i2c-io-expanders
Various I2C IO expanders modeled after and including PCF8574 module created by Peter Müller <peter@crycode.de> (https://crycode.de/)
@pizzaprogram/mcp-pcf-aio
Node-Red node for multiple MCP23017 chips (each 16 input or output) + PCF8574(A) (8 I/O). The I2C Bus number can be specified too.