There are two boards stacked one above another, one is a Hi3861 main control board drawn by myself and the other is a pca9685 module (bought on Taobao for about 20).
3D model (printed by 3D Monkey) I have to complain about 3D Monkey’s magical material. Even a 500° soldering iron cannot melt plastic. I once questioned my soldering iron.
Silently saying a few words, 3D Monkey has many pitfalls when placing orders. Please pay attention.
Get a 2-3 yuan coupon to buy the steering gear on Taobao, which is about 5 yuan each.
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Pay attention to safety when installing. You may injure yourself accidentally with a small screwdriver.
(Leave it empty for now, hahahaha) 7/18
Describe the production process:
Schematic diagram
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