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Using IC 741 to Make Soil Moisture Tester Circuit

Last Updated on February 3, 2025 by Admin Leave a Comment

soiltester

Hey there, I’m excited to share with you how we can create a straightforward circuit that tests the moisture levels in soil or mud. All we need is a single […]

Filed Under: Sensors and Detectors Tagged With: 741, Moisture, Soil, Tester

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 Tagged With: BJT, Circuits, Explained, JFET, Simple, Tester

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 Tagged With: Adjustable, Continuity, Tester

Servo Motor Tester Circuit

Last Updated on March 8, 2021 by Admin Leave a Comment

servo motor tester compressed

One of the widely used electronic devices are servos or also known as servo motors. These components are compact, almost weightless, cost-friendly and incredibly easy to use. In model building, […]

Filed Under: Motor Driver Tagged With: Motor, Servo, Tester

Phase Neutral AC Socket Outlet Tester Circuit

Last Updated on February 6, 2021 by Admin 2 Comments

mains Live neutral earth tester circuit

The most common phase testers show if an AC mains voltage is present at the wall output. They are typically known as the Live (L) connection. This useful AC mains […]

Filed Under: Lights and Lamps Tagged With: AC, Neutral, Outlet, Phase, Socket, Tester

3 in 1 Circuit Fault Tester Circuit

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

3 in 1 tester circuit compressed

The 3 in 1 tester circuit explained in the following article is actually a combination of signal injector, signal tracer, and logic probe, which allows the user to accurately test […]

Filed Under: Indicators Tagged With: Fault, Tester

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