Table 1.

Materials and equipment used.

Material/equipment	Description	Model/brand	Material country origin
PV panel	150Wp Power tolerance 0–3% Voltage (Vmp) = 18.0 V Current (Imp) = 5.55 A Open circuit voltage (Voc) = 21.5 V Short circuit current (Isc) = 6.38 A Size of the panel: $H\times W\times D=1340\times 530\times 40{mm}^3$ Mass of the panel = 11 Kg	P150 Copex Solar	UAE
Bimetallic strips	Size = $200mm\times 25mm\times 0.5mm$ Mass = 70 g. Bimetal materials = Aluminum and copper	PH0383/Eisco	India
Solenoid valve	Size = $61mm\times 71mm\times 30mm$ Bimetallic material: Aluminum, Copper Exterior finish: Plastic, Metal Normally closed type		China
Battery	12 V 7.2 A H/20 H R	RT1272/RITAR	China
Solar charger control	Rated Voltage 12 V Rated Current 20 A	HF120D	China
Multimeter	Fluke-17 B + IN CATIII 1 9 V battery powered Digital	Fluke	USA
Thermocouple	EZDO YC-321 Portable K-type thermometer (2 channel, −200 °C to +1372 °C)	EZDO	Taiwan
Digital Angle Finder protractor	TBVHOMM-21 Size: $150mm\times 135mm\times 260mm$	TBVHOMM	China