Thermometer with PIC Microcontroller

Posted on Feb 5, 2014

We will use them to show current room temperature using a LM35 temperature sensor. Please note that this schematic is slightly different from our previous schematic on multiplexed seven segment display. The display select i/o pins were RA0, RA1, RA2, RA3 on that schematic. But in this schematic the display lines are RA1, RA2, RA3, RA4 this is because RA0 is used

Thermometer with PIC Microcontroller
Click here to download the full size of the above Circuit.

as analog input channel for LM35`s output. We use our PIC Development Board for making the above demo project. The PIC Development Board has all the core circuitry to sustain the MCU while the project specific part is developed on the expansion board. /* LM35 Temperature Sensor INTERFACING TEST PROGRAM - Simple Program to connect with LM temperature sensor using the internal ADC of PIC MCU. The program displays the current environment temperature on LED Module. MCU: PIC18FXXXX Series from Microchip. Compiler: HI-TECH C Compiler for PIC18 MCUs

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