Open Access

Table 5

The estimated cost of materials in the system.

Parts Price/unit (RM) Quantity Total (RM)
10W PV solar panel mono-crystalline silicon 75.80 2 151.60
Microcontroller NodeMCU ESP8266 27.80 1 27.80
Temperature/Humidity sensor − DHT22 19.80 1 19.80
Relay Module 8.40 1 8.40
Solder Cable 11.22 1 11.22
DC to AC Inverter 173.90 1 173.90
Jumper Wire for NodeMCU 3.60 3 10.80
Total Cost (RM) 403.52

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