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The MAX7219 4-in-1 LED matrix display is suitable for text scrolling
Industrial sector
IOTIF Labs have been set up in various education institutes
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3mm Green LED (Pack of 10) Original Arduino Uno The MAX7219 4-in-1 LED matrix3 mm Green LED (Pack of 10) A Green light emitting diode (LED) is a semiconductor light source. LED's are used as indicator lamps in many devices and are increasingly used for other lighting. It looks like a white led and illuminate's blue light. When a light emitting diode is switched on, electrons are able to recombine with holes within the device, releasing energy in the form of photons. This effect is called electroluminescence and the colour of