40 Watt Audio Amplifier Circuit makes small sound signal big so sound come out loud from speaker. We can hear music or audio more loud with this. Main part is TDA2040 IC which is used in this easy circuit. This IC is single chip in pentawatt case and works as class AB audio amplifier. Circuit […]
Simple 5W Audio Power Amplifier Circuit
In this post for Simple 5W Audio Power Amplifier Circuit IC LM384 is strong amplifier chip used in basic electronics. Chip has fixed volume gain of 34 dB to make it cheap. Mic can connect easy to ground that make chip special. If chip get too hot it reduce power by itself. It also handle […]
Simple MIC Amplifier Circuit using IC LM358
Microphones can hear sound but the signal is very weak. Then this Simple MIC Amplifier Circuit using IC LM358 make signal strong. LM358 chip is cheap, easy and can work with two mic signals so people use it a lot. Audio amplifiers take weak sound signals from mic or music player and make them strong […]
Automatic Staircase Light Circuit
Automatic Staircase Light Circuit turn ON light when someone uses stairs. After some time it turn OFF by itself automatically. It help keep home safe and saves electricity. Circuit Introduction: Regular stair lights: Need to turn ON/OFF by hand using switches at top and bottom. Sometimes people forget to turn OFF, so energy gets wasted. […]
220V Wind Turbine Generator Circuit
220V Wind Turbine Generator Circuit changes wind energy to useable home power with 220V AC. We need electricity every day so people try to get it free. This simple small wind turbine is for home or low power use. It cost less and give more electricity for the price. Circuit Working: Parts List: Category Item […]
How to Build a Mini Tesla Coil Circuit
In this post for How to Build a Mini Tesla Coil Circuit these tesla coil make high voltage and low current. Mini Tesla coil is small version of big one. It can light small things or make tiny sparks. It runs on 9V battery or other low power. Circuit Working: Parts List: Category Item Quantity […]