The Digital Thermometer based on OneWire protocol. Sensor is DS18B20. Display use a 16-bit shift register TM1637.
Created with AlmelStudio 7.0.1645. ATtiny_DFP version 1.3.172.
Stay fuses as they shiped.
HIGH 0xdf
LOW 0x62
EXTENDED 0xff
Reference frequency is 1000000ul to have right delays for.
Add a PNP transistor to power up OW and display line after button is pressed.