Digital LED Thermometer with Microcontroller AVR ATtiny13
By Michael Schramm
Published: September 14, 2012.
Build a digital Celsius/Fahrenheit thermometer from only a few, inexpensive parts which are readily available! Temperature range is from -55 up to +125 °C (-67 ... 257 °F) at great accuracy. Display is done through LEDs. Key components are a microcontroller Atmel AVR ATtiny13 and a digital temperature sensor Dallas/MAXIM DS18B20. Book gives in-depth description and explains the mc program.