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 […]
Simple Boost Converter Circuit from 3V to 5V
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) […]
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. This circuit is useful for devices which need more power than what battery gives. Circuit Working: Parts List: Category Component Quantity Resistors (All […]
LED Chaser Circuit using Transistors
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: […]
Powerful Metal Detector Circuit
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 […]
Simple Gold Detector Circuit
This is Simple Gold Detector Circuit. It uses magnet and electric to find metal and even gold. Electric goes fast back and forth. This make magnetic field in coil. When metal come close then electric changes. It is an fun project to learn about metal detector but may not that good for real treasure. Circuit […]





