RS485 – ARDUINO AND INDUSTRIAL DISTANCE SENSOR




I have in my hand a distance laser sensor with high precision and speed. It is used in industrial environments for object positioning or detection applications. According to technical documents, I found it can communicate with other devices via RS485. I spent the weekend to learn it and find ways to communicate with cheap CPU – Arduino. And finally, I succeeded in reading data from it and displaying the distance value on the led screen.

And I’m willing to share this test with you. Let’s start with the video below:




Step 1: B.O.M

Main components include:

Step 2: CIRCUIT DIAGRAM AND ASSEMBLY

The circuit schematic is shown on picture above.

My idea is to read distance data and display this value on LoLShield. To do this, I had to turn the RS-485 module into a Shield to plug it on the Arduino and then Lolshield matrix will be plugged on the top.

  • Soldering RS-485 Shield:
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RS-485 Shield after soldering with male header at bottom and female header on the top.

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