This is an LDR based emergency light that turns on a high watt White LED when there is darkness in the room. It can be used as a simple emergency lamp in the child’s room to avoid the panic situation ...
12 LEDs have been used to create a simple mini lighthouse in which the beam rotates around the LEDs when applied with power. The project is featuring a full size ICSP connector and a socket DIP ...
Light-emitting diodes (LEDs) are often used with a voltage source from a power-supply output voltage. The output voltage increases until the current through the LEDs reaches the value of the ...