Name say it, this is very Simple Single Transistor Audio Amplifier Circuit, which makes sound signal bigger means amplify. Furthermore, it is god to learn how transistor work and how amplification happen, also if we want to build easy audio amplifier? then no need of many parts? this one transistor circuit is good choice! It […]
Transistor Circuits
Header Tank Water Level Controller Circuit
This Header Tank Water Level Controller Circuit control water level in header tank, it stops motor when tank is full and start motor when tank is empty. Also, it saves water and save electricity and there is no need to watch tank every time, as the circuit works automatic with sensor in tank. Circuit Working: […]
Motorcycle LED Turn Signal Indicator Circuit
In this post for Motorcycle LED Turn Signal Indicator Circuit the LED flashes with chasing effect, instead of old bulb type and IC 555 works like oscillator and gives flashing signal. Circuit Working: Parts List: Components Values Quantity Resistors 390Ω 1/4 watt 5 10k 1/4 watt 5 4.7k 1/4 watt 3 Capacitors Electrolytic 100μF 25V […]
Stop Dog Barking using IC 555 Circuit
Basic H-bridge PWM circuit uses IC 555 which helps to control dog barking and stop it, main part is ultrasonic tweeter. Furthermore, it work with two IC 555 and four driver transistors. Circuit Working: Parts List: Components Values Quantity Resistor 1k 1/4 watt 1 Potentiometer 100k 1 Capacitor Ceramic 1nF 1 Semiconductors IC 555 2 […]
Mobile Phone Detector Circuit using Transistors
Imagine we have a spy device that finds nearby mobile phones. Mobile Phone Detector Circuit using Transistors is like ear for special signals phones send to towers; it can catch signal even before phone rings like secret talk between phone and tower. Also, it uses transistors, small switches to catch these signals. Circuit Working: Parts […]
Simple Solar Garden Light Circuit using One Transistor
Simple Solar Garden Light Circuit using One Transistor, uses one special switch and a sun power to turn on LED at night. Also, when sun goes down the light turns ON by itself and when sun come back the light turns OFF, like a magic! Circuit Working: Parts List: Components Values Quantity Resistors 1k, 47Ω, […]