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Walkie Talkie Circuit

Last updated on 17 July 2025 by Admin-Lavi Leave a Comment

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 […]

Filed Under: Audio Circuits

How to Convert 5V to 3.3V Circuit

Last updated on 17 July 2025 by Admin-Lavi Leave a Comment

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 […]

Filed Under: Power Supply Circuits

Simple Boost Converter Circuit from 3V to 5V

Last updated on 17 July 2025 by Admin-Lavi Leave a Comment

To change 3V to 5V we need to use a boost converter. This Simple Boost Converter Circuit from 3V to 5V take low voltage and make it higher. It takes 3V from battery and give 5V to run our devices. Circuit Working: Parts List: Category Component Quantity Resistors (All resistors are 1/4 watt unless specified) […]

Filed Under: Power Supply Circuits

1.5V To 10V Boost Converter Circuit

Last updated on 17 July 2025 by Admin-Lavi Leave a Comment

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. This circuit is useful for devices which need more power than what battery gives. Circuit Working: Parts List: Category Component Quantity Resistors (All […]

Filed Under: Power Supply Circuits

LED Chaser Circuit using Transistors

Last updated on 17 July 2025 by Admin-Lavi 2 Comments

Think of flashing lights in a line but with LEDs and not with bulbs! This LED Chaser Circuit using Transistors makes LEDs light up one by one like running. It uses small switches called transistors to control LEDs. This circuit is good for beginners and is fun way to learn how transistors work! Circuit Working: […]

Filed Under: LED and Lamps

Powerful Metal Detector Circuit

Last updated on 12 August 2025 by Admin-Lavi Leave a Comment

A Powerful Metal Detector Circuit has high sensitivity and can find many metal types at different depths. Coil is important part. Big coil finds deep objects and small coil find better for small things. By using changeable coils is best for many uses. Circuit Working: Parts List: Component Type Description Quantity Resistors (All resistors are […]

Filed Under: Sensors and Detectors

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