Website Down Alarm using Tessel board

If your website goes down, you want to be the first to know. Make it obvious when there’s a problem by hooking up a big alarm light to a Tessel, which will ping your website every few seconds to check for trouble. Continuously off: all is well Continuously on: website being monitored is down Two-second bursts (on or off): system error; monitoring isn’t working (reset the Tessel)   For more detail: Webs ...

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