Arduino tutorials

Blink LED

Limit the current flow through the LED with a small resistor R1, ca 200~1000Ω. Otherwise the LED will burn. The LED can be connected in a few ways. • Either the Arduino pin (pin 13 in this case) SOURCES 5v to the LED: the LED’s + pin is connected to the Arduino pin. The LED’s – pin is connected to GND. • Or the Arduino […]

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