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Dual Thermometer with serial output

Building digital thermometers is probably one of the common tasks around embedded hobbyists. However more such projects more choices so more things that can be learned.

So this one uses PIC16F876 microcontroller with MCP1047A temperature sensors connected to it. Thermometer displays two temperature values – inside and outside.

pic_dual_thermometer.jpg

The hardware of this thermometer is pretty simple – PIC reads temperature sensors via ADC. Temperature values are displayed on standard 2×16 LCD and logged to RS232 at desired intervals. ASM code is available.

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