New Library: USITWIX – Using USI as TWI / I2C

Attiny85 Tinusaur USI TWI I2C BMP180 Variometer

As we know, there’s no I²C on ATtiny85, not even the TWI (Two Wire Interface, which is basically I2C with a different name) that some other Atmel chips have, so I had to write my own that takes advantage on the built-in USI unit. This library is called USITWIX and will be presented in this blog post. Of course, I used other people’s … Read more