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回覆 1# twohearts

我諗除 Barcode scanner 外, 還要 1個 USB to digital I/O module 去控制LED.
類似的 module:
https://item.taobao.com/item.htm ... p;abbucket=4#detail
条码扫描器:
https://detail.tmall.com/item.ht ... e27b&abbucket=4

申報: 以上的東西, 我全都未用過; 點樣喺 PC 寫 program 控制亦未試過.

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回覆 13# twohearts

如果必須用 PC 做, 我會諗用 Visual Basic 寫個 program (雖然我都未寫過);
如果用 Arduino, 整件嘢可以細件好多, 起碼唔洗接住個 LCD monitor.

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回覆 23# twohearts

14# 提過 Arduino 連接 barcode scanner.

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回覆 23# twohearts

FYI: "Arduino PS/2 Barcode Scanner"
""This tutorial goes through the steps of using an Arduino Uno to read the inputs of a PS/2 barcode scanner......""
http://www.instructables.com/id/Arduino-PS2-Barcode-Scanner/

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