Freenove Ultimate Starter Kit

Chapter 3 LEDBar Graph
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Circuit
The network label is used in the circuit diagram below, and the pins with the same network label are connected
together.
Schematic diagram
Hardware connection
In this circuit, the cathode of LED is connected to GPIO, which is the different from the front circuit. So, LED
will be turned on when GPIO output low level in the program.
If LEDbar doesn’t work, rotate LEDbar 180° to try. The lable is random.