Gettig the Arduino IDE to work with the Tinusaur is very easy.

Arduino IDE Working with the Tinusaur

Arduino IDE Working with the Tinusaur

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This is a variometer project that uses the Bosch sensor BMP180 for atmospheric pressure and the USITWIX library for I2C.

Attiny85 Tinusaur USI TWI I2C BMP180 Variometer

Variometer based on BMP180 and USITWIX

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