May 27, 2016

H-Bridge Mains Voltage Stabilizer Circuit, 100V to 220V

The post explains how to make a high power 100V to 220V H-bridge mains voltage stabilizer circuit using automatic PWM control. The idea was requested by Mr. Sajjad.

May 26, 2016

Opamp Low High Battery Charger Controller Circuit

The post discusses a two opamp low high battery charger controller circuit which is not only accurate with its features but also allows a hassle free and quick setting up of its high/low cut-off threshold limits. The idea was requested by Mr. Mamdouh.

May 24, 2016

Simple Peak Detector Circuit

In this article we are going to learn about a peak detector circuit, its working principle and how to implement it in clap operated circuits for illuminating an LED in response to clap sounds.

May 23, 2016

Small Induction Heater Circuit for School Project

The post discusses a small induction heater circuit for school project and exhibitions, using a very ordinary IC 555 astable PWM circuit. The idea was requested by Mr. Anthony

May 22, 2016

How to Build a Microphone Amplifier Circuit

In this article we are going to see how to build a microphone amplifier circuit with operational amplifier LM324. This circuit can be used as good pre-amplifier for audio projects.