Arduino GSM shield

This week’s project: setting up this Arduino with GSM shield to monitor the UPS that powers my mass specs. If we get a power cut (or when- this is Auckland after all) it will send me an SMS so I can race in and shut the mass specs down before they crash. Full write up when I’ve managed to make it all work.

🙂

NB Apologies for the repost but tumblr didn’t want to load the image for yesterday’s post. 

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