Description: $2 for 10pcs PCBs (24 hours turnaround time) Making a good lighting system for your rc projects is not complicated at all, in this video I'll show the whole process to make yours, using ...

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 ...

HB (high-brightness) LEDs require a large amount of current to operate. When driving HB LEDs from a voltage source, you can set the required current with a suitable series resistor. If the voltage ...