Introduction
The 7-color auto-flash LED module can automatically flash built-in colors after power on. It can be used to make quite fascinating light effects.
Components
– 1 * SunFounder Uno board
– 1 * USB data cable
– 1 * 7-color auto-flash LED module
– 1 * 3-Pin anti-reverse cable
Experimental Principle
When it is power on, the 7-color auto flash LED will flash built-in colors. The schematic diagram of the module:
Experimental Procedures
Just connect pin VCC of the module to 5V of the SunFounder Uno board and pin GND to GND.
Note: There are two GND pins on the module. You only need to connect one of them.
Now, you should see the LED flashing seven colors.