Make a simple robotic arm which has master - slave control, and can record and play the moves.
Project tutorial by WolfxPac
Learn how you can build a simple robot using an Arduino and a BLE module to control it.
Python does the image processing, Arduino controls the servos.
I never tried to use the same LED as both light source and the sensor, But I think if that is possible it could be useful in many ways. I will try it out and ofcourse share result here.
and I think any LED will be able to sense light from another similar type of LED cause that is how IR sensors work. Not sure though. I will have to test it.
Thank you for your suggestions.
Its called servo jitter. at first I was not sure about why but shaell in the previous comment mentioned that a debounce is needed in the code to overcome jitters and get precise moves.
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