Dual thermometer for fridge
Most modern fridges and refrigerators already have temperature indicators. But older ones don’t. This may be fixed like Victor did. He built pretty simple dual thermometer where one indicates fridge and another freezer temperatures. For his project he has chosen a PIC16F886 microcontroller, couple 4 digit seven segment displays and two DS1820 1-wire temperature sensors. Nice project which may find more purposes than measuring fridge temperatures....
Source: Embedds.com - Friday, 3 February
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