STM32F103C8T6 remote control boat master control
Direct-plug antenna module on the left (link: https://item.taobao.com/item.htm?spm=a1z0d.6639537.1997196601.49.74a27484xsGDcw&id=15010826340)
The main control supports SMD C8T6 or the smallest system board (C8T6 is really expensive)
The battery input voltage is 12.6V, which is output to the DC motor through the MOS ESC (water pump motor link: https://w.1688.com/offer/610180395793.html)
The battery is connected to the servo via DCDC. The servo voltage is 5V and the maximum current is 3.5A.
(Servo link A: https://item.taobao.com/item.htm?spm=a1z0d.6639537.1997196601.250.6ddb7484TFgY8A&id=594104100597)
(Servo link B: https://item.taobao.com/item.htm?spm=a1z0d.6639537.1997196601.261.6ddb7484TFgY8A&id=601923278668)
Relay controls the general on-off of ship's fuel engine
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4.11 Completed physical and functional debugging
Preliminary physical test, the voltage at each point is no problem under low power.
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The communication distance without an antenna can reach 20m, and it will be further if it is added.
The ESC function is easy to use, but the DC motor used for debugging is too small and the function is not obvious. The principle is fine.
If you switch to a push rod motor and add a certain load, the power change controlled by PWM will be much more obvious.
There are some errors in the PCB, and the second version of the PCB will be updated later.
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