Description
RGB LED means red, blue and green LEDs. RGB LED products combine these three colors to produce over 16 million hues of light. Note that not all colors are possible. Some colors are outside the triangle formed by the RGB LEDs also, pigment colors such as brown or pink are difficult, or impossible, to achieve. RGB LED is a combination of three LEDs in just one package: red, green and blue. You can generate different colors by adjusting the brightness of each of the three LEDs of the RGB LED; to adjust the brightness of each LED, you use a PWM signal.
Wemos D1 R2 
Battery Holder 6 AA with DC Jack 
MQ6 Smoke Module 
Buzzer Big 5V 
LEDs - Green
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