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Power Supply Circuits

How to Convert 5V to 3.3V Circuit

Last updated on 3 June 2026 by Admin-Lavi Leave a Comment

Have anyone tried using a toy which needs 3.3V but charger gives only 5V? that is too much power! This article for How to Convert 5V to 3.3V Circuit is like small helper, which take strong 5V and make it weak 3.3V which is right for device. Furthermore, this circuit help when USB or charger […]

Filed Under: Mini Projects, Power Supply Circuits, Voltage Regulator

Simple Boost Converter Circuit from 3V to 5V

Last updated on 3 June 2026 by Admin-Lavi Leave a Comment

To change 3V to 5V we need to use a boost converter, as this Simple Boost Converter Circuit from 3V to 5V take low voltage and make it higher. Also, it takes 3V from battery and give 5V to run our devices. Circuit Working: Parts List: Components Values Quantity Resistors (All resistors are 1/4 watt […]

Filed Under: Mini Projects, Power Supply Circuits, Voltage Regulator

1.5V To 10V Boost Converter Circuit

Last updated on 3 June 2026 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, also this circuit is useful for devices which need more power than what battery gives. Circuit Working: Parts List: Components Values Quantity Resistors […]

Filed Under: DIY Projects, Power Supply Circuits, Transistor Circuits

Simple 20 Watt Fluorescent Inverter Circuit

Last updated on 2 June 2026 by Admin-Lavi Leave a Comment

Imagine we have normal car battery and we want to use it for fluorescent light, but the battery voltage is too low and it does not work like this. So we use special and Simple 20 Watt Fluorescent Inverter Circuit like a magic box and this box has transformer, transistor and other parts which change […]

Filed Under: DIY Projects, Inverter Circuits, Power Supply Circuits

Simple DC High Low Voltage Cut Off Circuit

Last updated on 2 June 2026 by Admin-Lavi Leave a Comment

If our device need right DC power to work safe then this Simple DC High Low Voltage Cut Off Circuit work like a guard. Also, if battery is too low then circuit stop power to save our device and if battery is too high then also circuit stops power to protect. Hence, this circuit keep […]

Filed Under: Battery Charger Circuits, DIY Projects, Power Supply Circuits, Security and Protection, Transistor Circuits

Gel Cell Battery Charger Circuit

Last updated on 2 June 2026 by Admin-Lavi Leave a Comment

Normal car battery has liquid inside and Gel Cell Battery Charger Circuit uses jelly but not liquid. Jelly make battery strong and work in any position and to charge gel battery we need special charger, as this charger gives right power but not too much. Too much power can hurt battery and special charger keep […]

Filed Under: Battery Charger Circuits, DIY Projects, Power Supply Circuits

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