http:///https//wiki.microduino.cn/index.php?action=history&feed=atom&title=MicroMV_%E7%89%A9%E5%93%81%E5%88%86%E6%8B%A3%E5%8F%B0 2026-04-22T16:22:42Z 本wiki的该页面的版本历史 MediaWiki 1.30.0 https//wiki.microduino.cn/index.php?title=MicroMV_%E7%89%A9%E5%93%81%E5%88%86%E6%8B%A3%E5%8F%B0&diff=26037&oldid=prev 2018-05-16T09:23:47Z

<p>创建页面，内容为“==&#039;&#039;&#039;基本原理&#039;&#039;&#039;== *MicroMV扫描到二维码后，通过串口发送给microduino *microduino接收数据后控制舵机电机 ==&#039;&#039;&#039;MicroMV的代码准备&#039;&#039;&#039;==…”</p> <p><b>新页面</b></p><div>=='''基本原理'''==<br /> *MicroMV扫描到二维码后，通过串口发送给microduino<br /> *microduino接收数据后控制舵机电机<br /> =='''MicroMV的代码准备'''==<br /> 把以下代码替换到MicroMV生成的U盘空间中的main.py做为主程序&lt;br /&gt;<br /> &lt;source lang=&quot;py&quot;&gt;<br /> import sensor, image, lcd, time<br /> from pyb import UART<br /> uart = UART(4, 115200)<br /> sensor.reset()<br /> sensor.set_pixformat(sensor.RGB565)<br /> sensor.set_framesize(sensor.QQVGA2) # can be QVGA on M7...<br /> sensor.skip_frames(30) # 修改sensor配置之后， 跳过30帧<br /> sensor.set_auto_gain(False) # must turn this off to prevent image washout...<br /> sensor.set_brightness(2)<br /> lcd.init() # Initialize the lcd screen.<br /> while(True):<br /> lcd.display(sensor.snapshot())<br /> img = sensor.snapshot()<br /> img.lens_corr(1.8) # strength of 1.8 is good for the 2.8mm lens.<br /> for code in img.find_qrcodes():<br /> time.sleep(1000)<br /> uart.write(code[4]+'\n')<br /> print(code[4])<br /> &lt;/source&gt;<br /> IDE运行效果为&lt;br/&gt;<br /> [[File:microMVQCCode1.png||600px|left]]&lt;br style=&quot;clear: left&quot;/&gt;<br /> 屏幕中会扫描二维码<br /> =='''Microduino的代码准备'''==<br /> &lt;source lang=&quot;cpp&quot;&gt;<br /> #include &lt;Servo.h&gt;<br /> Servo myservo;<br /> #define servoPin 6<br /> #define startAngle 90<br /> #define runAngle 28<br /> String msg = &quot;&quot;;<br /> void setup() {<br /> Serial.begin(115200);<br /> myservo.attach(servoPin);<br /> myservo.write(startAngle);<br /> }<br /> void loop() {<br /> if (Serial.available() &gt; 0) {<br /> msg = Serial.readStringUntil('\n');<br /> Serial.println(msg);<br /> if (msg == &quot;mCookie&quot;) {<br /> myservo.write(startAngle - runAngle);<br /> delay(3000);<br /> myservo.write(startAngle);<br /> }<br /> else if (msg == &quot;mPie&quot;) {<br /> myservo.write(startAngle + runAngle);<br /> delay(3000);<br /> myservo.write(startAngle);<br /> }<br /> msg=&quot;&quot;;<br /> }<br /> }<br /> &lt;/source&gt;</div>

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