Metering – Instrument Projects

Simple Digital Voltmeter DVM using PIC12F675

Simple Digital Voltmeter (DVM) using PIC12F675 (Code+Proteus simulation)

This post provides a simple digital voltmeter circuit using PIC12F675 microcontroller. This code is written in C language using MPLAB with HI-TECH C compiler. You can download this code from the ‘Downloads‘ section at the bottom of this page. In this post, it is assumed that you know, How to use ADC of PIC12F675 microcontroller. If you

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PIC16F688 Diode Tester

Microcontroller based Diode and Bipolar Junction Transistor (BJT) tester using PIC16F688

Introduction Most of the digital multimeters these days have built-in features for testing diodes and sometimes transistors. The purpose of this project is to demonstrate a simple way to construct a testing device for diodes and bipolar junction transitors (BJTs) using a microcontroller. The testing algorithm is based on a simple fact that a working

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