To begin with, this is easy and Simple Electronic Code Lock Circuit; to open door or box no need of key we can use special code instead. Also, this circuit uses buttons and code to the open lock, so only correct code can open and wrong code will not work. Circuit Working: Parts List: Components […]
Hobby Circuits
Cellphone Triggered Car Amplifier Auto Mute Circuit
This article for Cellphone Triggered Car Amplifier Auto Mute Circuit show how to make one simple circuit, like when phone ring it turns OFF the car music by itself. So no need to rush or search button to stop music when call is coming. What is a Cellphone Triggered Car Amplifier Auto Mute Circuit: The […]
Roulette Wheel of Fortune Circuit
This Roulette Wheel of Fortune Circuit help us make fun game like small roulette wheel of luck!; and when game start ten lights blink all in random way. Also, lights keep changing until only one light stays ON and that one is a winner! Hence, we never know which light stay ON so thee is […]
Motor Boat Sound Generator Circuit
Think like small motorboat comes inside our room very easy and this Motor Boat Sound Generator Circuit is an electric thing enough for this design. Also there is no need of water, no need of big wooden frame or big motor join. What is a Motor Boat Sound Generator Circuit: Motor boat sound generator circuit […]
Radio Circuit with Headphones
With booster, this small Radio Circuit with Headphones work almost like crystal radio, also it uses 10-foot antenna which catches many nearby strong radio stations. Longer antenna can catch more stations but also bring unwanted channels, so when trying to hear weak station sometimes other strong station sound come in background. Hence, for better tuning […]
Simple Phase Shift Oscillator Circuit using a Single Transistor
Simple Phase Shift Oscillator Circuit using a Single Transistor is like a special electric circuits, which make electric go up and down like water wave. Also, these waves can be soft or strong and may look curved, while the circuit controls how fast the waves move up and down. There are many types of oscillator […]