Spice up your project with this LED that cycles through 7 different colors! This module has an on-board resistor so you can just wire the module directly to 5V to turn it on.
*This module is part of the KY series of sensors which means that the prints on the board might be mislabelled, do read our notes in the description to understand how to wire it properly. For more information about the problems with the KY series, click here!
Operating Voltage: 5V
Turn-on Voltage: 3V- 4.5V
Note: Pin 1 should be connected to 5V. Pin 2 & Pin 3 are connected together and should be connected to Ground. (See image for pin labelling)
Hookup Guide: https://iot-guider.com/arduino/7-color-led-flash-module-ky-034-in-arduino/