Simple Overvoltage Protection Circuit

For a voltage sensitive load or electric element we need to provide regulated voltage. In some…

Zener Diode Voltage Regulator Circuit

Simple Zener Diode Voltage Regulator Circuit designed to give 5 volt output from 9 volt input,…

Transformerless Power Supply 6V DC

Almost every Electronic circuits and devices are requires low DC voltages between 3.3V to 12V some…

AC Powered 230V LED Circuit

Simple and low cost solution for lighting is AC powered 230V LED circuit, here the High…

12 Volt Regulated power supply circuit using zener diode

Here this circuit constructed with bridge rectifier and zener regulator. we can use this circuit as…

USB based zener diode regulator circuit

This circuit gives regulated DC power supply from USB port by using zener diode as a…

USB power mobile charger circuit

The USB power mobile charger circuit constructed by using zener diode (4.7V/400mW) and switching transistor SL100.…

Solar power mobile charger circuit

This circuit helps you to charge your mobile phone battery and also some rechargeable battery with…

Zener diode tutorial

What is Zener diode? A zener diode or Breakdown diode is a PN diode specially designed…