显示页面修订记录反向链接回到顶部 本页面只读。您可以查看源文件,但不能更改它。如果您觉得这是系统错误,请联系管理员。 ====== RGB Ultrasonic Sensor ====== ===== 1. 简介 ===== {{ wm_wiki:rgb_ultrasonic_sensor.png |RGB超声波传感器}} <html><body> <p class=MsoNormal style='text-align:left'><span lang=ZH-CN style='font-size:14.0pt;color:windowtext'>RGB超声波传感器是一个用来测量距离的电子模块,测量范围是 4 cm 到 500 cm。可以用来帮助小车避开障碍或其他有关测距避障的项目。超声波发射器向某一方向发射超声波,在发射的同时开始计时,超声波在空气中传播,途中碰到障碍物就立即返回来,超声波接收器收到反射波就立即停止计时。声波在空气中的传播速度为 340m/s,根据计时器记录的时间 t,就可以计算出发射点距障碍物的距离 s,即:s=340*t/2。</span></p> <p class=MsoNormal style='text-align:left'><span lang=ZH-CN style='font-size:14.0pt;color:windowtext'>同时,该模块的超声波探头内置有RGB全彩LED灯。</span></p> </body></html> 应用参考:避障小车,手持测距仪,水位监测,超声波计数器等。 ===== 2. 参数规格 ===== <html><body> <div align=center> <table class=MsoTable15List5DarkAccent5 border=1 cellspacing=0 cellpadding=0 style='border-collapse:collapse;border:none'> <tr> <td width=277 valign=top style='width:207.4pt;border-top:solid #5B9BD5 3.0pt; border-left:solid #5B9BD5 3.0pt;border-bottom:solid white 2.25pt;border-right: none;background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'> <p class=MsoNormal align=center style='text-align:center'><b><span lang=ZH-CN style='font-size:18.0pt;font-family:等线;color:white'>参数</span></b></p> </td> <td width=333 valign=top style='width:250.1pt;border-top:solid #5B9BD5 3.0pt; border-left:none;border-bottom:solid white 2.25pt;border-right:solid #5B9BD5 3.0pt; background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'> <p class=MsoNormal align=center style='text-align:center'><b><span lang=ZH-CN style='font-size:18.0pt;font-family:等线;color:white'>值</span></b><b><span style='font-size:18.0pt;color:white'>/</span></b><b><span lang=ZH-CN style='font-size:18.0pt;font-family:等线;color:white'>描述</span></b></p> </td> </tr> <tr style='height:17.1pt'> <td width=277 valign=top style='width:207.4pt;border-top:none;border-left: solid #5B9BD5 3.0pt;border-bottom:solid white 1.0pt;border-right:solid white 1.0pt; background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt;height:17.1pt'> <p class=MsoNormal align=center style='text-align:center'><b><span lang=ZH-CN style='font-size:16.0pt;font-family:等线;color:white'>工作电压</span></b></p> </td> <td width=333 valign=top style='width:250.1pt;border-top:none;border-left: none;border-bottom:solid white 1.0pt;border-right:solid #5B9BD5 3.0pt; background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt;height:17.1pt'> <p class=MsoNormal><span style='font-size:16.0pt;color:white'>DC 5V</span></p> </td> </tr> <tr> <td width=277 valign=top style='width:207.4pt;border-top:none;border-left: solid #5B9BD5 3.0pt;border-bottom:none;border-right:solid white 1.0pt; background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'> <p class=MsoNormal align=center style='text-align:center'><b><span lang=ZH-CN style='font-size:16.0pt;font-family:等线;color:white'>通信方式</span></b></p> </td> <td width=333 valign=top style='width:250.1pt;border:none;border-right:solid #5B9BD5 3.0pt; background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'> <p class=MsoNormal><span style='font-size:16.0pt;color:white'>WM</span><span lang=ZH-CN style='font-size:16.0pt;font-family:等线;color:white'>单总线协议</span></p> </td> </tr> <tr> <td width=277 valign=top style='width:207.4pt;border:solid white 1.0pt; border-left:solid #5B9BD5 3.0pt;background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'> <p class=MsoNormal align=center style='text-align:center'><b><span lang=ZH-CN style='font-size:16.0pt;font-family:等线;color:white'>超声波频率</span></b></p> </td> <td width=333 valign=top style='width:250.1pt;border-top:solid white 1.0pt; border-left:none;border-bottom:solid white 1.0pt;border-right:solid #5B9BD5 3.0pt; background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'> <p class=MsoNormal><span style='font-size:16.0pt;color:white'>42kHz</span></p> </td> </tr> <tr> <td width=277 valign=top style='width:207.4pt;border-top:none;border-left: solid #5B9BD5 3.0pt;border-bottom:none;border-right:solid white 1.0pt; background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'> <p class=MsoNormal align=center style='text-align:center'><b><span lang=ZH-CN style='font-size:16.0pt;font-family:等线;color:white'>测距精度</span></b></p> </td> <td width=333 valign=top style='width:250.1pt;border:none;border-right:solid #5B9BD5 3.0pt; background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'> <p class=MsoNormal><span style='font-size:16.0pt;color:white'>1cm</span></p> </td> </tr> <tr> <td width=277 valign=top style='width:207.4pt;border:solid white 1.0pt; border-left:solid #5B9BD5 3.0pt;background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'> <p class=MsoNormal align=center style='text-align:center'><b><span lang=ZH-CN style='font-size:16.0pt;font-family:等线;color:white'>测距范围</span></b></p> </td> <td width=333 valign=top style='width:250.1pt;border-top:solid white 1.0pt; border-left:none;border-bottom:solid white 1.0pt;border-right:solid #5B9BD5 3.0pt; background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'> <p class=MsoNormal><span style='font-size:16.0pt;color:white'>3cm~500cm</span></p> </td> </tr> <tr> <td width=277 valign=top style='width:207.4pt;border-top:none;border-left: solid #5B9BD5 3.0pt;border-bottom:none;border-right:solid white 1.0pt; background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'> <p class=MsoNormal align=center style='text-align:center'><b><span lang=ZH-CN style='font-size:16.0pt;font-family:等线;color:white'>输出数据</span></b></p> </td> <td width=333 valign=top style='width:250.1pt;border:none;border-right:solid #5B9BD5 3.0pt; background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'> <p class=MsoNormal><span lang=ZH-CN style='font-size:16.0pt;font-family:等线; color:white'>距离值(单位:厘米)</span></p> </td> </tr> <tr> <td width=277 valign=top style='width:207.4pt;border:solid white 1.0pt; border-left:solid #5B9BD5 3.0pt;background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'> <p class=MsoNormal align=center style='text-align:center'><b><span lang=ZH-CN style='font-size:16.0pt;font-family:等线;color:white'>尺寸大小</span></b></p> </td> <td width=333 valign=top style='width:250.1pt;border-top:solid white 1.0pt; border-left:none;border-bottom:solid white 1.0pt;border-right:solid #5B9BD5 3.0pt; background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'> <p class=MsoNormal><span style='font-size:16.0pt;color:white'>100mm*32mm*30mm(</span><span lang=ZH-CN style='font-size:16.0pt;font-family:等线;color:white'>长</span><span style='font-size:16.0pt;color:white'>*</span><span lang=ZH-CN style='font-size:16.0pt;font-family:等线;color:white'>宽</span><span style='font-size:16.0pt;color:white'>*</span><span lang=ZH-CN style='font-size:16.0pt;font-family:等线;color:white'>高</span><span style='font-size:16.0pt;color:white'>)</span></p> </td> </tr> </table> </div> </body></html> ===== 3. 编程指南 ===== ==== 3.1 模块功能及图形化编程指南 ==== <html> <body lang=EN-US link="#0563C1" vlink="#954F72"> <div class=WordSection1> <p class=MsoNormal style='text-indent:.5in'><span lang=ZH-CN style='font-size: 14.0pt;font-family:等线'>该模块支持的图形化编程平台有</span><span style='font-size:14.0pt'>WeeeCode</span><span lang=ZH-CN style='font-size:14.0pt;font-family:等线'>、编程猫平台、</span><span style='font-size:14.0pt'>Mixly_Arduino</span><span lang=ZH-CN style='font-size: 14.0pt;font-family:等线'>、</span><span style='font-size:14.0pt'>MakeCode</span><span lang=ZH-CN style='font-size:14.0pt;font-family:等线'>等,其图形化编程大同小异,区别不会很大。</span></p> <div> <div align=center> <table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 style='border-collapse:collapse'> <tr> <td width=176 style='width:131.9pt;border:solid windowtext 1.0pt;padding: 0in 5.4pt 0in 5.4pt'> <p class=MsoNormal align=center style='text-align:center'><b><span lang=ZH-CN style='font-size:14.0pt;font-family:等线;color:windowtext'>模块功能</span></b></p> </td> <td width=371 valign=top style='width:278.45pt;border:solid windowtext 1.0pt; border-left:none;padding:0in 0in 0in 0in'> <p class=MsoNormal align=center style='text-align:center'><b><span lang=ZH-CN style='font-size:14.0pt;font-family:等线;color:windowtext'>需传参数</span></b></p> </td> <td width=482 style='width:361.8pt;border:solid windowtext 1.0pt;border-left: none;padding:0in 5.4pt 0in 5.4pt'> <p class=MsoNormal align=center style='text-align:center'><b><span lang=ZH-CN style='font-size:14.0pt;font-family:等线;color:windowtext'>图形化编程块举例</span></b><b><span style='font-size:14.0pt;color:windowtext'>(</span></b><b><span lang=ZH-CN style='font-size:14.0pt;font-family:等线;color:windowtext'>其他平台图形化编程块大同小异</span></b><b><span style='font-size:14.0pt;color:windowtext'>)</span></b></p> </td> </tr> <tr style='height:1.0in'> <td width=176 style='width:131.9pt;border:solid windowtext 1.0pt;border-top: none;padding:0in 5.4pt 0in 5.4pt;height:1.0in'> <p class=MsoNormal align=center style='text-align:center'><span lang=ZH-CN style='font-size:14.0pt;font-family:等线;color:windowtext'>测量距离(</span><span style='font-size:14.0pt;color:windowtext'>3~500cm</span><span lang=ZH-CN style='font-size:14.0pt;font-family:等线;color:windowtext'>)</span></p> </td> <td width=371 style='width:278.45pt;border-top:none;border-left:none; border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt; padding:0in 0in 0in 0in;height:1.0in'> <p class=MsoNormal align=center style='text-align:center'><span lang=ZH-CN style='font-size:14.0pt;font-family:等线;color:windowtext'>(</span><span style='font-size:14.0pt;color:windowtext'>1</span><span lang=ZH-CN style='font-size:14.0pt;font-family:等线;color:windowtext'>个参数)端口</span></p> </td> <td width=482 style='width:361.8pt;border-top:none;border-left:none; border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;height:1.0in'> <p class=MsoNormal align=center style='text-align:center'><span style='color:windowtext'><img width=174 height=36 src="lib/exe/fetch.php?media=wm_wiki:rgb_ultrasonic_sensor:pasted:20190509-152139.png" alt="lib/exe/fetch.php?media=wm_wiki:rgb_ultrasonic_sensor:pasted:20190509-152139.png"></span></p> </td> </tr> <tr style='height:1.0in'> <td width=176 style='width:131.9pt;border:solid windowtext 1.0pt;border-top: none;padding:0in 5.4pt 0in 5.4pt;height:1.0in'> <p class=MsoNormal align=center style='text-align:center'><span lang=ZH-CN style='font-size:14.0pt;font-family:等线;color:windowtext'>设置内置</span><span style='font-size:14.0pt;color:windowtext'>RGB</span><span lang=ZH-CN style='font-size:14.0pt;font-family:等线;color:windowtext'>灯</span></p> </td> <td width=371 style='width:278.45pt;border-top:none;border-left:none; border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt; padding:0in 0in 0in 0in;height:1.0in'> <p class=MsoNormal align=center style='text-align:center'><span lang=ZH-CN style='font-size:14.0pt;font-family:等线;color:windowtext'>(</span><span style='font-size:14.0pt;color:windowtext'>5</span><span lang=ZH-CN style='font-size:14.0pt;font-family:等线;color:windowtext'>个参数)端口、灯的位置、</span><span style='font-size:14.0pt;color:windowtext'>RGB</span><span lang=ZH-CN style='font-size:14.0pt;font-family:等线;color:windowtext'>三原色分量值</span></p> </td> <td width=482 valign=top style='width:361.8pt;border-top:none;border-left: none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;height:1.0in'> <p class=MsoNormal align=center style='text-align:center'><b><span style='font-size:14.0pt;color:windowtext'><img width=468 height=173 src="lib/exe/fetch.php?media=wm_wiki:rgb_ultrasonic_sensor:pasted:20190509-152707.png" alt="lib/exe/fetch.php?media=wm_wiki:rgb_ultrasonic_sensor:pasted:20190509-152707.png"></span></b></p> </td> </tr> <tr style='height:1.0in'> <td width=176 style='width:131.9pt;border:solid windowtext 1.0pt;border-top: none;padding:0in 5.4pt 0in 5.4pt;height:1.0in'> <p class=MsoNormal align=center style='text-align:center'><span style='font-size:14.0pt;color:windowtext'>LED</span><span lang=ZH-CN style='font-size:14.0pt;font-family:等线;color:windowtext'>灯设置(</span><span style='font-size:14.0pt;color:windowtext'>Mini RGB</span><span lang=ZH-CN style='font-size:14.0pt;font-family:等线;color:windowtext'>超声波模块独有)</span></p> </td> <td width=371 style='width:278.45pt;border-top:none;border-left:none; border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt; padding:0in 0in 0in 0in;height:1.0in'> <p class=MsoNormal align=center style='text-align:center'><span lang=ZH-CN style='font-size:14.0pt;font-family:等线;color:windowtext'>(</span><span style='font-size:14.0pt;color:windowtext'>3</span><span lang=ZH-CN style='font-size:14.0pt;font-family:等线;color:windowtext'>个参数)端口、灯的位置、</span><span style='font-size:14.0pt;color:windowtext'>LED</span><span lang=ZH-CN style='font-size:14.0pt;font-family:等线;color:windowtext'>灯状态</span></p> </td> <td width=482 style='width:361.8pt;border-top:none;border-left:none; border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt; padding:0in 5.4pt 0in 5.4pt;height:1.0in'> <p class=MsoNormal align=center style='text-align:center'><span style='color:windowtext'><img width=335 height=54 src="lib/exe/fetch.php?media=wm_wiki:rgb_ultrasonic_sensor:pasted:20190509-161049.png" alt="lib/exe/fetch.php?media=wm_wiki:rgb_ultrasonic_sensor:pasted:20190509-161049.png"></span></p> </td> </tr> </table> </div> <p class=MsoNormal> </p> </div> </div> </body> </html> ==== 3.2 文本代码编程指南 ==== ===== 4. 注意事项 ===== <html><body> <p class=MsoNormal style='text-align:left'><span lang=ZH-CN style='font-size:14.0pt;color:windowtext'><b>RGB超声波传感器上集成有6颗RGB灯,功耗相对比较大,使用时最好外接电源。</b></span></p> </body></html>