Quantity   Component name
1 × Cat Fountain https://www.amazon.com/Pet-Fountain-Cat-Water-Dispenser/dp/B079DL32QY $21.00
1 × 12V DC Submersible Pump https://www.aliexpress.com/item/32960386654.html $4.10
1 × Project Case (2 Pieces) https://www.aliexpress.com/item/32762803920.html $1.48
1 × NodeMCU Clone https://www.aliexpress.com/item/32647690484.html $2.50
1 × IRL7833 MOSFET (Pack of 10) https://www.aliexpress.com/item/32948153762.html $3.50
1 × Mini Buck Converter (Pack of 10) https://www.aliexpress.com/item/32411214887.html $3.50
2 × 1N4007 Diode (100 pieces) (We use two diodes) https://www.aliexpress.com/item/32224555821.html $0.90
1 × 100K Resistor (100 pieces) https://www.aliexpress.com/item/32952657927.html $0.90
1 × 12VDC 1A Power Supply Adapter https://www.aliexpress.com/item/33012054726.html $2.00