That’s what led [TomGoff] to build his own solar ... a 12 V water pump and the whole thing is controlled by an Arduino running 30 seconds on and 3 minutes off to conserve battery power.

The solar-powered water pump from the provincial government of Lanao del Norte is being turned over to the Kapit Bisig Farmers Association in Barangay Bowi, Pantar. (Photo: ADD/PIA-10/Lanao del Norte) ...