Barcode Scanner four cables

Other Hardware 3rd Party Boards
1

Hi Arduino Family,

I recently bought a waveshare barcode scanner and an Arduino Uno R3. The things is that the waveshare barcode scanner has four wires, which I do not know which one connects to the Digital source on the Uno, which two connect to power, and which one is the output? If anyone can help thank you.

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Details would be useful.

3

A quick google search for images of a Waveshare barcode scanner and I found this one:

61f1NvPv3KL.AC_SL1500
61f1NvPv3KL.AC_SL15001240×636 69.7 KB

If this is like your device, then the pins are labelled on the board.

2 Likes
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You are 100% right. Thank you very much, I completely missed that

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