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 […]
How to Build a Simple SMPS Circuit
Due to significant interest in this particular design, a simple non-regulated switching symmetric power supply with a high power output of 350W has been developed. It employs a Half Bridge […]
Simple Relay Delay Timer Circuits using IC 4001
All of the figures below demonstrate how CD4001B CMOS NOR gate ICs can be used to create highly reliable delay relay timer circuits, with time interval range from a few […]
Simple DC Motor Speed Controller Circuit
Making a circuit to control a DC motor speed may look easy, but having a circuit which can provide enough torque to the motor even at lower speeds may not […]
Simple Audio Circuits
In this post we will discuss a few interesting audio circuits using Field effect transistors or FETs Dual-channel Audio Mixer In Figure below, you can notice a traditional circuit for […]
Simple Line Follower Circuit
A simple line follower car or robot circuit can be built using the circuit explained in the following article. In this concept, the line follower car keeps track of a […]