My day 4: build a gsm monitor/alarm for a pump house Discussion ThreadMy day 4: build a gsm monitor/alarm for a pump house Electrical Advice
Got rid of mains relays and used 5v ones.
![[ElectriciansForums.net] My day 4: build a gsm monitor/alarm for a pump house](https://electricians.s3.eu-west-1.amazonaws.com/data/attachments/77/77717-fc24d3dd59eb1960cc38f1a98d8fbfa1.jpg "[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](https://electricians.s3.eu-west-1.amazonaws.com/data/attachments/77/77718-1cd272036feb9e5daee3ac565f5172fa.jpg "[ElectriciansForums.net] My day 4: build a gsm monitor/alarm for a pump house")
My day 4: build a gsm monitor/alarm for a pump house for the original thread on Electricians Forums
Got rid of mains relays and used 5v ones.
Sorted out a little charging circuit and change over for the battery.
My day 4: build a gsm monitor/alarm for a pump house for the original thread on Electricians Forums
