The smallest system board designed based on the cost-effective microcontroller HK32F030MF4P6
Onboard USB to serial port, two user LEDs, two user buttons, a potentiometer, and a buzzer
Since the MCU multiplexing pins are more free than the STM32, the onboard peripherals are not fixedly connected to the MCU, but are led out using pin headers and female headers. Dupont wire jumpers are required to connect when in use.
In terms of development, the library written by HK is quite good. You can directly call functions for basic functions. Overall, it is similar to ST's standard library. If you are familiar with it, you can get started quickly.
Attached is the official reference material from HK
In addition, there is no example for TIM6 in the routine. Just refer to the TIM2 time base and write it.
Personal evaluation: Advantages: Cheap! The normal price is less than one yuan, and the fancy hanging 8-bit 51 microcontroller has the disadvantage: the effective resolution of the ADC is only 8 bits, which directly gave up the idea of making an ESC. There are only four TIMs including system timers, which is not enough.
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