The idea of the eight-channel receiver came from the open source works of the Lolita master I saw in the Open Source Plaza. I am just getting started, so I modified it according to his circuit diagram. Please forgive me if I am not satisfied with it. The receiver has eight pwm outputs and one sbus output. The function of the receiver can be modified by modifying the program. The receiver can control the movement of the two servos. However, the receiver signal may not be strong enough due to imperfect circuit design. More than 50 meters, and the PWM output still has the problem of weak driving capability. We will continue to modify the circuit diagram in the future and use a signal receiving module with increased power.
Generally speaking, it can still realize the function of the receiver. I drew a shell for the board. The PCB is also a work of art, and it should be beautiful. The shell file, receiver firmware and microcontroller program download software are all in the attachment. When downloading a program to the receiver, you must first select the microcontroller model and the USB port that the microcontroller downloader is connected to (usually the system will automatically identify it). You need to use a USB to TTL downloader, then select the program file to open, and then check the When downloading Option to erase EEPROM, then you can click download.
Note: Click download first and then quickly power off and then on the receiver.
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