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Mini Projects

Simple 1.5V White LED Driver Circuit

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

Simple 1.5V White LED Driver Circuit is like power translator; it takes power from battery and changes it to right voltage and current for LED. Furthermore, this helps LED shine bright and safe, but without driver LED may be it might dim or may burn. Circuit Working: Parts List: Components Values Quantity Resistors 33k, 470Ω […]

Filed Under: Hobby Circuits, LED and Lamps, Mini Projects, Power Supply Circuits

Simple 1.5V White LED Flasher Circuit

Last updated on 3 June 2026 by Admin-Lavi 1 Comment

This Simple 1.5V White LED Flasher Circuit uses few parts to make white LED blink ON and OFF again and again; furthermore it is an easy project and is good for beginners and also its fun to play with blinking light with no need with hard design. Circuit Working: Parts List: Components Values Quantity Resistors […]

Filed Under: LED and Lamps, Mini Projects, Oscillator 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

PWM Motor Speed Control Circuit using Two Transistors

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

In this article, resistors can provide basic speed control, but they cannot adjust motor speed efficiently or smoothly. Therefore, this smart PWM Motor Speed Control Circuit using Two Transistors offers a more effective solution. It works like a dimmer switch for the motor and we can turn a knob like a potentiometer to change how […]

Filed Under: Automation Circuits, DIY Projects, Mini Projects, Motor Controllers, Transistor Circuits

How to Convert a Speaker into a MIC Circuit

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

This article for How to Convert a Speaker into a MIC Circuit shows how to turn a speaker into a microphone, as it uses the speaker to catch sound and the sound turns into a weak signal. Furthermore, this transistor circuit makes the signal stronger, but the mic wont be very clear but it is […]

Filed Under: Audio Circuits, DIY Projects, Hobby Circuits, Mini Projects

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