@joe-ab1do/mcp-pcf-aio

Node-Red nodes for i2c port expanders MCP23008, MCP23017, PCF8574(A) & PCF8575

i2c-io-expanders

Various I2C IO expanders modeled after and including PCF8574 module created by Peter Müller <peter@crycode.de> (https://crycode.de/)