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LED = Light Emitting Diode
Polarized 2 leads, "big foot" or flat side connects to GND
Usually with a resistor friend to limit current
Can be driven by digital HIGH/LOW output, and analog PWM output
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LED = Light Emitting Diode
LED = Light Emitting Diode
Normal LEDs
SMD(Surface Mounted Device) LEDs
Micro:bit built-in LED matrix screen
Neopixel LED strip
"big foot on ground (GND)"
Flat side to GND
Current Limiting Resistor: LED's good friend
Current Limiting Resistor: LED's good friend
Resistance value differs for
Different LEDs (color, size, brightness, etc.)
Different voltage supplying the LED
Calculation according to Ohm's Law
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