I also have an MCP23017, but AFAIK the PCF8574 is supposed to work fine at 400kHz i2c clock, just like the MCP.
Nonetheless, I need either a new DHT22 lib or an expansion to the Adafruit DHT lib, ready to use.
Does someone know one?
I also have an MCP23017, but AFAIK the PCF8574 is supposed to work fine at 400kHz i2c clock, just like the MCP.
Nonetheless, I need either a new DHT22 lib or an expansion to the Adafruit DHT lib, ready to use.
Does someone know one?