This Simplest Blown Fuse Indicator Circuit shows if fuse is good or bad without checking it by hand; also if fuse is okay then green LED turns ON. Furthermore, if fuse blows then green LED goes OFF and red LED turns ON and that means fuse is bad and needs to change. Circuit Working: Parts […]
Mini Projects
Simple Li-ion Battery Capacity Tester Circuit
Imagine we have a phone battery but how long does it really last? as this Simple Li-ion Battery Capacity Tester Circuit is like a battery health checker. It shows how much power our Li-ion battery like in phones or laptops can still hold, as it also helps us know if the battery is getting weak […]
How to Generate a Safe 220V AC Supply
If anyone’s project needs How to Generate a Safe 220V AC Supply from home power, then this is the circuit but we need to be careful. This voltage is dangerous and to stay safe we can use a step-down transformer, as it makes voltage lower and safer and it also has safety parts to stop […]
Simple Capacitive Touch Switch Circuit using IC TTP223
No button needed as this circuit uses a smart chip known as TTP223 to feel our touch. Like magic it touches the pad and it turns ON or OF; as this Simple Capacitive Touch Switch Circuit using IC TTP223 is an easy way to make a touch switch for fun or projects. Circuit Working: Parts […]
Simple Voltage Controlled Oscillator Circuit
Imagine a small device that make sound like whistle but we can turn one knob to make sound go high or low; this is same like what Simple Voltage Controlled Oscillator Circuit or VCO can do. Also, it is an electronic thing that make signal again and again mostly like in square wave, the speed […]
Simple Low Power Ozone Generator Circuit
Simple Low Power Ozone Generator Circuit use less power, as it make ozone gas from air and it uses electric spark to change oxygen to ozone. Also, ozone help clean air and water and also kills the germs, but too much ozone is also not safe, it can be bad. Circuit Working: Parts List: Components […]