http:///https//wiki.microduino.cn/index.php?action=history&feed=atom&title=Microduino_Ultrasonic_ranging-OLED_display_distance 2026-04-30T05:33:57Z 本wiki的该页面的版本历史 MediaWiki 1.30.0 https//wiki.microduino.cn/index.php?title=Microduino_Ultrasonic_ranging-OLED_display_distance&diff=2159&oldid=prev 2014-04-23T12:59:43Z

<p>Created page with &quot;{{Language | Microduino 超声波测距-OLED显示}} {| style=&quot;width: 800px;&quot; |- | ==Objective== This tutorial will teach you using the ultrasonic sensor to measure distance a...&quot;</p> <p><b>新页面</b></p><div>{{Language | Microduino 超声波测距-OLED显示}}<br /> {| style=&quot;width: 800px;&quot;<br /> |-<br /> |<br /> ==Objective==<br /> This tutorial will teach you using the ultrasonic sensor to measure distance and displays on Microduino OLED.<br /> <br /> ==Equipment==<br /> *'''[[Microduino-Core]]'''<br /> *'''[[Microduino-FT232R]]'''<br /> *'''[[Microduino-Cube-S1]]'''<br /> *'''[[Microduino-OLED]]'''<br /> *Other equipment<br /> **USB cable one <br /> **Ultrasonic sensor one<br /> <br /> <br /> ==Schematic==<br /> [[File:Microduino超声波OLED显示原理图.jpg|600px|center|thumb]]<br /> <br /> <br /> ==Program==<br /> <br /> Refer to UltrasonicOLED<br /> <br /> The following is the distance measurement algorithm:<br /> <br /> digitalWrite(TrigPin, LOW); //Send a pulse to TrigPin<br /> <br /> delayMicroseconds(2);<br /> <br /> digitalWrite(TrigPin, HIGH);<br /> <br /> delayMicroseconds(10);<br /> <br /> digitalWrite(TrigPin, LOW);<br /> <br /> cm = pulseIn(EchoPin, HIGH) / 58.0; //Convert the timer to distance (cm) (The propagation of sound speed is 340 m/s)<br /> <br /> cm = (int(cm * 100.0)) / 100.0; //Keep two decimal places<br /> <br /> <br /> ==Debug==<br /> <br /> Step 1：Stack all the required Microduino module, as follows:<br /> [[File:Microduino超声波OLED显示连接图.jpg|600px|center|thumb]]<br /> <br /> Step 2：Compile the program and download it.<br /> <br /> Step 3：Run program, put a object in front of sensor, then move it, observe the OLED's value.<br /> [[File:Microduino超声波OLED显示测距图.jpg|600px|center|thumb]]<br /> <br /> <br /> ==Result==<br /> <br /> OLED will display the distance between sensor and object.<br /> <br /> ==Video==<br /> <br /> http://v.youku.com/v_show/id_XNzAxMDc5Mjcy.html<br /> <br /> |}</div>

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