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How to Make a Digital Voltmeter, Ammeter Module Circuits

Last Updated on January 30, 2025 by Admin Leave a Comment

In this article I am going to share my journey of building a combined circuit module that functions as both a digital voltmeter and a digital ammeter. This nifty little […]

Filed Under: Meter and Tester Circuits

Simple Workbench Multimeter Circuit

Last Updated on November 17, 2024 by Admin Leave a Comment

New hobbyists may find it interesting to try the following DIY multimeter circuits as their next electronic project, as they require a multimeter for testing and debugging electronic project circuits. […]

Filed Under: Meter and Tester Circuits

Temperature Meter Circuit using RTD

Last Updated on November 17, 2024 by Admin Leave a Comment

rtd 2

The construction of an RTD temperature meter circuit is covered in this post, along with information on various RTDs and how they operate mathematically. What’s an RTD When exposed to […]

Filed Under: Meter and Tester Circuits

Simple BJT and JFET Tester Circuits Explained

Last Updated on November 17, 2024 by Admin Leave a Comment

good bad transistor tester circuit

This post discusses a few straightforward yet reliable BJT transistor tester circuits that may be utilized to determine if a transistor is good or faulty. Simple Good or Not good Transistor Tester […]

Filed Under: Meter and Tester Circuits

Adjustable Continuity Tester Circuit

Last Updated on December 8, 2021 by Admin 6 Comments

adjustable continuity tester

In this we post we discuss an accurate continuity tester circuit whose measuring capacity could be adjusted depending on the resistance range of the load under test. The range of […]

Filed Under: Meter and Tester Circuits

LED Sound Level Indicator Circuit

Last Updated on January 11, 2021 by Admin Leave a Comment

sound level 1 compressed

The proposed LED sound level meter will detect the sound hitting the MIC, and indicate its volume level through an array of LED, connected as a bar graph. Circuit Description […]

Filed Under: Indicators, Meter and Tester Circuits

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