Description
A light-emitting diode (LED) is a semiconductor light source that emits light when current flows through it. Electrons in the semiconductor recombine with electron holes, releasing energy in the form of photons. The color of the light (corresponding to the energy of the photons) is determined by the energy required for electrons to cross the band gap of the semiconductor.








Peg Board
MQ3 Alcohol Sensor Module
Keypad - 4x4
Return Measuring Tape Stanley
Bio-tech Kit
GPS Module
Ultrasonic Sensor Module HCSR-04
SIM 800 GSM Module
Laser Diode
MQ4 Methane & Natural Gas Sensor Module
Steel Shaft Claw Hammer
Flame Sensor
MQ7 CO Sensor Module
Battery Holder 4 AA with DC Jack
Reviews
There are no reviews yet.