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.
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
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