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Build a Giant 3D Printed Robot Arm
I didn't change any code or configuration for LED. I just connect the LED's negative to ground and positive to pin 25(BCM numbering). https://pinout.xyz/pinout/pin22_gpio25
Yes. you are right. In fact, it cannot be any easier. You just need to find the pin and plug in the LED. :)The LED is super helpful since it tells current running status.
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