This solar night lamp will illuminate an LED automatically during evening, and switch it off during dawn break, all automatically. The unit will also charge a in-built Li-ion cell safely. […]
Phase Neutral AC Socket Outlet Tester Circuit
The most common phase testers show if an AC mains voltage is present at the wall output. They are typically known as the Live (L) connection. This useful AC mains […]
Decorative Flashing LED Circuit
Since you have already anticipated, this particular decorative flashing LED circuit signifies no more or less than a technique of lighting up a number of LEDs. Circuit Description The diagram […]
LED Voltage Monitor Circuit
A well balanced power supply is completely necessary for the precise functioning of computers and TTL circuits. A voltage fluctuation of 10% is undoubtedly not bearable, it is therefore advisable […]
Very Simple Emergency Lamp Circuit Using a Single Transistor
This explained simple emergency lamp circuit includes a built-in charger which charges a nickel-cadmium battery through the input AC mains in order to get a standby power for emergency lighting […]
3 LED Running Light Circuit
In this post we learn how to make a running light or chasing light effect using only 3 LEDs, because 3 LEDs are the minimum number required for creating a […]