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认识实习项目

我知道我把所有的 radar 都拼成了 ladar ，不用再提醒我了

题目：基于 STM32 的简易激光雷达

功能

  • 控制舵机进行周期性 180° 旋转
  • 将激光测距器搭载在舵机上，对左右 90° 的物体进行测距
  • 将测距结果结合测距时发送给舵机的 PWM 波占空比（换算成角度）保存在单片机内部
  • 将结果发送给一台 1.3 寸 OLED 显示器，以图像的形式展示扫描结果
  • 连接红外模块，可用红外遥控器进行遥控

所用电子模块型号

大致成本

19.5 + 5.8 + 68.0 + 21.5 = 114.8 元

引脚分配

  • USART1-PA9(TX)、PA10(RX)：接测距模块RX、TX
  • USART2-PA2(TX)、PA3(RX)：接红外模块RX、TX，注意VCC需连5V
  • IIC1-PB6(SCL)、PB7(SDA)：接OLED的SCL、SDA
  • TIM10CH1-PB8(PWM)：接舵机的信号线

遥控器设置

  • 串口设置：波特率9600，数据位8，校验位None，停止位One
  • 重置：按“0”，00 FF 19
  • 停止：按“*”，00 FF 16
  • 继续：按“#”，00 FF 0D

参考资料

舵机占空比
传感器引脚
舵机引脚 OLED

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