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July 25, 2016 AT 12:05 pm

DIY Coin-Operated WIFI Hotspot #ArduinoMonday

Voucher

via blog.arduino

Reddit user “jeff122885” has come up with a fairly simple yet clever coin-operated ticketing system for his Wi-Fi network. The setup consists of a Ch-926 multi-coin acceptor, a MikroTik Groove, and an Arduino Uno with a microSD card module. The unique password for the hotspot is stored in the SD card and read by the Arduino.

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