A couple of very basic and small FM transmitter circuits has been discussed in this article, using a single transistor transmitter circuit, which is small yet is able to communicate […]
Constant Current Battery Charger Circuits
In this post we study the method of making 3 simple constant current battery charger circuits, first one merely utilizes a single resistor, the second design incorporates a single Darlington […]
Simple Microphone (MIC) Amplifier Circuits
The first one is a single transistor simple microphone circuit, very simple to hook up using an electret microphone or MIC and an audio amplifier. Typically the 10K resistor within […]
Non-Contact Voltage Detector Circuits Using Transistors and IC
In this post we are going to discuss a few non-contact voltage detector/tester circuits for checking the presence of active mains live wire. We will be understanding what non-contact voltage […]
2 Simple Electronic Gong Circuits Explained
The first electronic gong circuit presented below simulates the sound of a bell or a gong; The circuit consists of a resonant filter, built around IC2 and IC3, which rings […]
Bass Treble Tone Control Circuits – 3 Designs Discussed
The explained bass treble tone controller circuit not only facilitates the control of the bass, treble frequencies but also the mid range frequencies using its efficient 3 way tone control […]