A Simple Arduino Leostick Relay Control Module

Some of the sites I work with a quite remote and connected by very long wireless links which occassionally need resetting. The site fortunately has a working SMS modem to provide out of band control, but we still needed a device to turn the Wimax router off for 10 senconds and restore power. Also due to very limited power options a device powered from USB and connected via USB was very attractive. Hence this project.

Total bill of parts was less than AU$100

The project requirements were:

The final design used:

The sketch (LeostickSerialSw.ino):

The command language consists of:



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