import sensor, time, pyb, ubinascii
sensor.reset()
sensor.set_pixformat(sensor.RGB565)
sensor.set_framesize(sensor.QVGA)
sensor.skip_frames(time=2000)
while True:
img = sensor.snapshot().compress(quality=70) # 压缩质量为70%
hex_data = ubinascii.hexlify(img).decode() # 转为十六进制字符串
print(hex_data) # 发送数据
pyb.delay(1000)
此代码放在openmv ide烧录