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 […]
Transistor Circuits
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, […]
Cable Tracer Circuit
Cable Tracer Circuit is of two part device, which help find and check right cable in group or inside wall. Also, it have two parts: transmitter and receiver and mostly people use it in telecom, network, fixing wires, security system and audio/video setup. Circuit Working for Cable Tracer Transmitter Circuit: Parts List: Components Values Quantity […]
Sound to Light Converter Circuit
In this article, the Sound to Light Converter Circuit changes sound into light, as a result, it listens to music and makes the lights flash in sync with the beat. Furthermore, smart components inside the circuit convert changes in sound volume or pitch into variations in light brightness or flashing speed. Circuit Working of Sound […]
Solar Motor Robot Circuit
This Solar Motor Robot Circuit run by sun with no battery needed, as it uses special circuit called “solar engine” which works good with small solar panel. Also, robot can move even when sky is cloudy. Circuit Working: Parts List: Components Values Quantity Resistors (All resistors are 1/4 watt unless specified) 100k 1 1M 1 […]
1.5V To 10V Boost Converter Circuit
If we have 1.5V AA battery but gadget need 10V to work, then this 1.5V To 10V Boost Converter Circuit is small power maker. It changes 1.5V weak power to strong 10V, also this circuit is useful for devices which need more power than what battery gives. Circuit Working: Parts List: Components Values Quantity Resistors […]