Christmas come one time in a year and it brings big joy. The Simple Christmas Series Lights Tester Circuit is an easy to build design that helps us find and fix problems in series Christmas lights, also people commonly use these lights for holiday decorations. If one bulb stops then all lights go OFF, as […]
Meters and Testers
Simple 555 Timer Based Transistor Tester Circuit
Transistors are very important in electronics and they make signals strong and turn things ON/OFF and do many jobs, hence, to check if its good then we need to test them. Also, testing helps find problems and broken parts. This article for Simple 555 Timer Based Transistor Tester Circuit which show easy way to test […]
Building a Simple Pulse Frequency Counter Circuit with Arduino
Pulse frequency counter count signal in hertz (Hz) and it is an important tool in electronics. Now Arduino and other microcontroller make counter easy and cheap. So, this article for Simple Pulse Frequency Counter Circuit with Arduino show how to make this easy circuit with few parts; also we have used IC 555 to make […]
Simple Op-amp IC Tester Circuit
Op-amps (operational amplifiers) play an important role in electronics because they filter and amplify signals and process analog signals. Before using op-amp IC we must test it to ensure it works good and correct and to check op-amp fast and easy we have made a Simple Op-amp IC Tester Circuit Op-amp is like voltage comparator […]
Function Generator Circuit using IC L8038
Function Generator Circuit using IC L8038 is chip makes sine, square and sawtooth wave; it changes frequency using outside capacitor and resistor from 0.001Hz to 300KHz. We can change and sweep frequency with outside voltage, as it gives strong and clean output and make all 3 waves of same time. Thus, circuit need few extra […]
How To Test a Multi-Core Wire using Cable Tester Circuit
We can learn How To Test a Multi-Core Wire using Cable Tester Circuit through this tutorial, also this tool check if cable is working or not. Also, it helps find wrong connection like short or broken wire. This circuit works well for testing multi-core cables that contain several wires, also it helps check whether all […]