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A easy-to-assemble thermometer based on the ATTINY24 AVR microcontroller
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firmware
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README

README

This is a easy-to-assemble thermometer based on the ATTINY24 AVR microcontroller and the DS18B20 one-wire digital temperature sensor. Measured temperature is displayed via a common cathode segment LED display.
CD4511 is used to save GPIO pins of the microcontroller, and ULN2003 eliminates the need of transistors and resistors in the digit driving circuit.