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Solar Cell Based Camera Flash Trigger Circuit

Last updated on 6 February 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. This circuit is very simple as it uses very few components and also it does not need any battery. The circuit works using light only and when a […]

Filed Under: Solar Circuits

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

Last updated on 5 February 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. This circuit increases low DC voltage to high DC voltage and therefore, it […]

Filed Under: Power Supply Circuits

Boost Converter Circuit From 5V to 12V using Transistors

Last updated on 5 February 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. It uses simple components like transistors and inductor, it is with low cost […]

Filed Under: Power Supply Circuits, Transistor Circuits

Simple 12V Power Supply Circuit with Filter Capacitor

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

Today, many electronic circuits need DC power, but main supply is AC power, so we must change AC to DC. Therefore, this Simple 12V Power Supply Circuit with Filter Capacitor is needed, as this circuit gives 12V DC output and current capacity is up to 2A. This circuit is very simple, easy to make, cost […]

Filed Under: Power Supply Circuits

5V High Current Buck Converter Circuit using IC MC34063

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

Today, many electronic circuits need stable 5V supply. However, input voltage is not always fixed, sometimes it is 12V and sometimes it can go up to 30V. Therefore, a buck converter is needed. This 5V High Current Buck Converter Circuit using IC MC34063 reduces voltage efficiently and it also saves power. Here, we used the […]

Filed Under: Power Supply Circuits

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

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

Today, many small devices need low voltage for example 1.5V or 3V. This 5V USB to 1.5V or 3V DC Converter Circuit USB gives 5V output, so a buck converter is needed. Therefore, this circuit is useful as it converts 5V USB into 1.5V or 3V. It uses MC34063 IC and this IC is cheap, […]

Filed Under: Power Supply Circuits

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