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My day 4: build a gsm monitor/alarm for a pump house

Discuss My day 4: build a gsm monitor/alarm for a pump house in the Talk Electrician area at ElectriciansForums.net

mainline

mainline

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Got rid of mains relays and used 5v ones.

[ElectriciansForums.net] My day 4: build a gsm monitor/alarm for a pump house


Sorted out a little charging circuit and change over for the battery.

[ElectriciansForums.net] My day 4: build a gsm monitor/alarm for a pump house
 

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