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

ATtiny85 and ESP8266 – do you really need that?

Tinusaur ATtiny85 ESP6288 Shield

Yes, why not. And here is what I did … (this will be series of posts about what I did with ATtiny85/Tinusaur and ESP8266 WiFi module) First, what could be accomplished with such limited device as ATtiny85? It has 8 pins, 2 of which are for the power (Vcc and GND), one for the RESET … Read more