Cable Tracer Circuit is of two part device. It help find and check right cable in group or inside wall. It have two parts: transmitter and receiver. People use it in telecom, network, fixing wires, security system and audio/video setup. Circuit Working for Cable Tracer Transmitter Circuit: Parts List: Category Component Quantity Resistors 2.2k 1/4 […]
Sound to Light Converter Circuit
Imagine a disco party but with no flashing lights! This Sound to Light Converter Circuit changes sound to light. It hears music and make lights flash with beat. Smart parts inside change sound volume or pitch to light brightness or speed. Circuit Working of Sound to Light Converter Circuit using Piezo: Parts List: Category Component […]
Solar Motor Robot Circuit
This Solar Motor Robot Circuit run by sun with no battery needed. It uses special circuit called “solar engine” which works good with small solar panel. Robot can move even when sky is cloudy. Circuit Working: Parts List: Category Component Quantity Resistors (All resistors are 1/4 watt unless specified) 100k 1 1M 1 10k 1 […]
Hearing Aid Circuit using 1.5V Battery
Hearing Aid Circuit using 1.5V Battery is small sound booster. It helps people with hearing loss and to hear better. It picks the weak sound and makes it louder in earphone. This circuit works with one 1.5V battery. Circuit Working: Parts List: Category Component Quantity Resistors (All resistors are 1/4 watt unless specified) 10k 2 […]
Walkie Talkie Circuit
Walkie Talkie Circuit is small device for talking. Two people can talk without wire. It work with radio signal with short distance only. One person can talk and other can listen but not both at the same time. This project is good for fun, small chat and learning electronics. Circuit Working: Parts List: Category Component […]
How to Convert 5V to 3.3V Circuit
Have anyone tried using a toy which needs 3.3V but charger gives only 5V? That too much power! This article for How to Convert 5V to 3.3V Circuit is like small helper. It take strong 5V and make it weak 3.3V which is right for device. This help when USB or charger give more power […]