This Simple Electronic Component Tester Circuit works like doctor for ones electronic parts. Before we make any cool thing one can use this tester to check parts like resistor, capacitor, transistor and many more. Furthermore, tester shows if the parts are good or bad, so we do not waste time with broken parts in our […]
Hobby Circuits
Aquarium LED Lighting Circuit
Make ones fish bowl bright and colorful by this Aquarium LED Lighting Circuit which work like tiny sun for fish tank; also it have special LED lights that light up water. Some circuit are also smart enough, as they can turn ON or OFF by self when room get bright or dark like day and […]
Simple Storm Detector Circuit
Simple Storm Detector Circuit is like small weather magic in box, which can feel lightnings electric noise by showing the storm is coming near. Also, this circuit uses one antenna to catch small signal in air like small radio, but signal being weak it uses amplifier to make signal strong. Sometimes it also uses special […]
Simple USB Reading Lamp Circuit
Simple USB Reading Lamp Circuit is like small power house for ones book reading; as it helps to make small lamp easy to carry and it take power from USB port like from computer, laptop or power bank also. Also, this small lamp give light when one wants to read book or need more light […]
Simple Multi Siren Tones Circuit using IC UM3561
This Simple Multi Siren Tones Circuit using the UM3561 chip works like a small sound box for emergency vehicle sounds. Moreover, the special UM3561 chip can create many siren noises, such as the “wee woo” sound of a police car or the fast tone of an ambulance. Furthermore, it only needs few more parts and […]
Simple Fatigue Testing Circuit
This small and simple Fatigue Testing Circuit is a fun way to check whether someone feels tired or not! it makes LED blink very fast and we can change how fast it blink. Also, if we are not tired, we can still see the LED blink even when it flashes fast; however, if we are […]





