產品說明0
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Ultrasonic Range Finder - XL-MaxSonar-WR
SEN-15798
Ultrasonic Sensors with Engineer Jim Lindblom
影片：https://youtu.be/ueqRp_XYau8
Description:
This is the new, weather resistant, field-hardened WR from Maxbotix. The XL series of this sensor features higher resolution, longer range, higher power output and better calibration.
這是Maxbotix的新型、耐候性、現場硬化 WR 。該傳感器的 XL 系列具有更高的分辨率、更長的範圍、更高的功率輸出和更好的校準。
The WR uses a robust PVC housing, is designed to meet IP67 water intrusion, and matches standard electrical 3/4" PVC pipe fittings. The sensor provides very accurate readings from 0 to 765cm (0 to 25.1ft) with 1cm resolution. This sensor can be powered with anywhere between 3.3 and 5VDC.
WR 使用堅固的 PVC 外殼，旨在滿足 IP67 防水要求，並與標準的 3/4" PVC 電氣管件匹配。該傳感器可提供 0 至 765 厘米（0 至 25.1 英尺）的非常準確的讀數，分辨率為 1 厘米。該傳感器可以使用 3.3 到 5VDC 之間的任何電源供電。
Range information can be gathered through one of three methods - analog, serial, or PWM - all of which are active at the same time. The analog output will produce a voltage proportional to the measured distance, with a sensitivity of (Vcc/1024)V/cm. The serial interface is simple and formatted to RS-232, with voltages ranging from 0 to Vcc and terminal settings of 9600-8-N-1. Finally, the PWM pin outputs a pulse-width representation of the range with a scale factor of 58us/cm.
範圍信息可以通過三種方法之一收集——模擬、串行或 PWM——所有這些方法都同時處於活動狀態。模擬輸出將產生與測量距離成正比的電壓，靈敏度為 (Vcc/1024)V/cm。串行接口簡單，格式為 RS-232，電壓範圍為 0 到 Vcc，終端設置為 9600-8-N-1。最後，PWM 引腳輸出範圍的脈衝寬度表示，比例因子為 58us/cm。
Features:
- 3.3V to 5V supply with very low average current draw
- All interfaces are active simultaneously
- Serial, 0 to Vcc
- 9600 baud, 8-N-1
- Analog, (Vcc/1024) / cm resolution
- Pulse Width
- High acoustic power output／高聲功率輸出
- Real-time auto calibration and noise rejection for every ranging cycle
- Precise narrow beam
- Continuously variable gain
- Object detection includes zero range objects
- Readings can occur up to every 100mS, (10-Hz rate)
- Free run operation can continually measure and output range information
- Triggered operation provides the range reading as desired
- Sensor operates at 42KHz
