Updating old home wiring

I connected the Pi Zero to my LAN via a USB LAN adapter, ssh’d to it, then set the video aspect ratio to match the monitor (16:9).

The tension of the spring and taps on the electromagnetic coils in the relay are the main processes by which a user sets in a relay.

Having had little success with commercial offerings, I thought I’d make one.

I found a model that uses the SIM868 GSM/GPS module, plus supporting electronics on a Pi Zero HAT.

So my test script requests and parses the GPS position, then formulates a text message and ends it to my mobile phone: It would also be useful to have the balloon position automatically uploaded to the live map, so I decided to have the device send a second SMS but this time to a gateway based at home.

This gateway is another Pi with a USB 3G modem attached.

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