毕设（一）——概述

from machine import Pin
import utime

# 超声波测距，单位：厘米
def getDistance(trigger, echo):
    # 产生10us的方波
    trigger.low()
    utime.sleep_us(2)
    trigger.high()
    utime.sleep_us(10)
    trigger.low()
    
    while echo.value() == 0:
        start = utime.ticks_us()
    while echo.value() == 1:
        end = utime.ticks_us()
    d = (end - start) * 0.0343 / 2 
    return d

# 主程序
trigger = Pin(18, Pin.OUT)
echo = Pin(26, Pin.IN)

while True:
    distance = getDistance(trigger, echo)
    print("距离：{:.2f} cm".format(distance))
    utime.sleep(1)

import machine
import utime
import imu 

i2c = machine.I2C(0, sda=machine.Pin(16), scl=machine.Pin(17), freq=400000)
print("I2C addr: ", i2c.scan()[0])
sensor = imu.MPU6050(i2c)

while True:
    #print(sensor.accel.xyz, sensor.gyro.xyz, sensor.temperature)
    print("加速度：{:7.2f}{:7.2f}{:7.2f}  陀螺仪：{:9.2f}{:9.2f}{:9.2f}  温度：{:5.1f}" \
          .format(sensor.accel.x, sensor.accel.y, sensor.accel.z,  \
                  sensor.gyro.x, sensor.gyro.y, sensor.gyro.z, \
                  sensor.temperature))
    utime.sleep(1)