Balance-Car

GPIO configure

1. Serial Wire

   PA13 -> SWDIO

   PA14 -> SWCLK

2. HSE

   PD0 -> OSC_IN

   PD1 -> OSC_OUT

3. Bluetooth UART

   USART3

   PB10 -> USART3_TX

   RB11 -> USART3_RX

4. MPU6050 I2C

   I2C1

   PB8 -> I2C1_SCL

   PB9 -> I2C1_SDA

5. HC-SR04

   PB0 -> Trig

   PB1 -> Echo

6. Battery

   PA0 -> ADC1_IN0

7. TB6612

   M1

   PB13 -> BIN1

   PB12 -> BIN2

   PA3 -> PWMB

   PA6 -> M1A

   PA7 -> M1B

   M2

   PB14 -> AIN1

   PB15 -> AIN2

   PA2 -> PWMA

   PB6 -> M2A

   PB7 -> M2B

8. CH340 UART

   USART1

   PA9 -> USART1_TX

   PA10 -> USART1_RX

9. infrared

   PA4 -> infrared