To charge battery safely we need right amount of electricity like current, as it is the same like plant needs right water. Most people use multimeter to check this but not everyone has it; also in this article for How to Find the Charging Current of a Battery is easy trick without tool: Circuit Working: […]
Hobby Circuits
Simplest Blown Fuse Indicator Circuit
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 […]
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 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 […]
Simple Hartley Oscillator Circuit
Simple Hartley Oscillator Circuit is like small sound maker with electric, as it makes smooth sound like whistle and does not stops. Also, it uses coil with center tap like two coil join and one capacitor help keep sound going. Need one active part to make sound strong, as this sound circuit is different from […]