Ultrasonic distance sensor with a range of up to 15 m and a resolution of 1 cm. Powered with the voltage from 9 to 24 V. It allows you to measure the distance to objects with a detection angle of 15 ° and a measurement frequency of 3 Hz. It uses the RS485 interface and the Modbus-RTU protocol for communication. It has an IP65 protection degree, so it can be used in difficult atmospheric conditions.
Example code is available on a Wiki website.
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UART converter module - RS-485 based on the MAX485 system. modTTL-485
Converter module USB-RS-485. Supports Win7, XP, Vista, Linux, Mac OS operating system. modUSB-485
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