Slightly modified version of attiny-ds18b20-library
Intended to use with Bluetooth Mesh temperature sensor (BTB20)
It measures temperature by DS18B20 sensor on PB2 pin and sends it to uart on PB3/PB4 pins.
- 1st byte: 0xFF - start of new measurement sign
- 2nd byte: the whole part of measured value
- 3rd byte: the decimal part of measured value
0xFF 0x1B 0x08
equals to 27.8 degrees
Not tested with negative temperatures