metal business cards with qr code

Using QR code and NFC technology the Artorians card can share all of your information when tapped against a smartphone. Add a QR …

cat 5 color code order

5 whiteblue 1 Unused 6 green 3 RecvData - 7 whitebrown 4 Unused 8 brown 4 Unused Pin Color Pair Description 1 whitegreen 3 RecvDa…