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Simple 3.6V High Power LED Torch Circuit

Last updated on 12 July 2026 by Admin-Lavi Leave a Comment

To begin with, this article is about Simple 3.6V High Power LED Torch Circuit, it uses a 3.6V battery and is easy to build and the circuit is very easy to understand. The circuit uses only LEDs, one resistor, a switch and a battery; so beginners can also try this circuit and moreover, this circuit […]

Filed Under: DIY Projects, Hobby Circuits, LED and Lamps, Mini Projects

Solar Cell Based Camera Flash Trigger Circuit

Last updated on 11 July 2026 by Admin-Lavi Leave a Comment

Photography flash units need correct timing; however, many old flash units do not have trigger input, so a Solar Cell Based Camera Flash Trigger Circuit is useful, as this circuit is very simple as it uses very few components and also it does not need any battery. The circuit operates by detecting light, when the […]

Filed Under: DIY Projects, Hobby Circuits, Mini Projects, Sensors and Detectors, Solar Circuits

12V Boost Converter Circuit from 3.3V to 5V Supply

Last updated on 11 July 2026 by Admin-Lavi Leave a Comment

Nowadays, many electronic projects need higher voltage, however, the available supply is very low for example 3V or 3.3V batteries are common. But many circuits need 12V so, here we have designed a 12V Boost Converter Circuit from 3.3V to 5V Supply, as this circuit increases low DC voltage to high DC voltage and therefore, […]

Filed Under: DIY Projects, Power Supply Circuits

Boost Converter Circuit From 5V to 12V using Transistors

Last updated on 11 July 2026 by Admin-Lavi Leave a Comment

Many electronic projects need 12V power, but sometimes only 5V supply is available, for example from USB, logic board or microcontroller; So, here, this Boost Converter Circuit From 5V to 12V using Transistors is useful which converts 5V DC to 12V DC. This circuit uses simple components such as transistors and an inductor, making it […]

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

5V High Current Buck Converter Circuit using IC MC34063

Last updated on 11 July 2026 by Admin-Lavi Leave a Comment

Many electronic circuits require a stable 5V supply, but the input voltage is not always constant; it may be 12V or rise to 30V, so a buck converter reduces the input voltage to a stable 5 V output. This 5V High Current Buck Converter Circuit using IC MC34063 reduces voltage efficiently and it also saves […]

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

5V USB to 1.5V or 3V DC Converter Circuit

Last updated on 11 July 2026 by Admin-Lavi Leave a Comment

Today, many small devices need low voltage for example 1.5V or 3V. A USB port provides a 5V output, so this circuit uses a buck converter to reduce the voltage to 1.5 V or 3 V. The MC34063 IC controls the conversion, making the circuit low cost, easy to build, reliable, and efficient; the IC […]

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

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