affanse/usi-twi-examples
attiny usi twi i2c simple examples and pcf8574 gpio expander. USI used by attiny84, attiny85, attiny2313 and other atmel chips.
CMIT
attiny usi twi i2c simple examples and pcf8574 gpio expander. USI used by attiny84, attiny85, attiny2313 and other atmel chips.
CMIT