This circuit is for Simple Over-Temperature Warning Indicator Circuit using an LED. It is very simple and is with low cost as it uses few easily available components. The circuit turns ON an LED when temperature rises above a set level like 45°C – 55°C. Therefore, it is useful for basic thermal warning. This circuit […]
Arduino Flash Trigger Circuit with Sound Sensor
Nowadays, electronics projects are becoming very popular, especially Arduino based projects are easy to build, because of this the beginners also feel confident. In this project an Arduino is used to trigger a camera flash, the trigger happens when a sound is detected. So Arduino Flash Trigger Circuit with Sound Sensor is very useful for […]
Solar Cell Based Camera Flash Trigger Circuit
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 […]
12V Boost Converter Circuit from 3.3V to 5V Supply
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 […]
Boost Converter Circuit From 5V to 12V using Transistors
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 […]
Simple 12V Power Supply Circuit with Filter Capacitor
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 […]