Monthly Archives: F Y

The GSM Shield After some Web browsing we found a GSM Dualband Shield from Libellium (now outperformed by quadband device) that worked fine for this project even if It had some quirks that I had to solve via software.  Libellium links the Shield Schematic and a tutorial that … Continue reading →

I’ve always been curious about GSM modems, but I’ve never get in touch with one until a friend asked me to build a Thermostat for his house in the mountains. The device should have been be enable to report power … Continue reading →