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instructables.com
NodeMCU Basic Project-Blink a LED
NodeMCU Basic Project-Blink a LED: OSOYOO NodeMCU IOT Starter kitIn this lesson,we will introduce how to blink the on-board LED and how to blink a external LED.Hardware Preparation:NodeMCU x 1LED x 1200 ohm resistor x 1Micro USB cable x 1PC x 1Software Arduino IDE(version 1.6…
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What is an LED?_ An LED (Light Emitting Diode) is a type of semiconductor device that converts electrical energy into light. _How does it work?— When a voltage is applied to the LED, electrons recombine with holes, releasing energy in the form of photons, which we see as light. _Key Characteristics:_ ���_Color_: LEDs are available in a range of colors, including red, orange, yellow, green, blue, and white. ��_Brightness_: Measured in lumens (Im) or candelas ���_Voltage_: Typically operate betwee
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