Four Plant Vacation Watering System by Maragnus

These are the parts to my planned four-plant, automatic watering system. It probes each plant every two hours and applies a short burst of water if the soil is too dry. The entire system runs off a single 12V adapter. An alarm is sounded if the reservoir level is too low. Case is a DC-85P from PolyCase, reservoir is a bike water bottle that sits inside an opening the case. All plumping and wiring is inside the enclosure.

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Product Quantity Subtotal
Liquid Pump - 350GPH (12v)
In stock ROB-10455
1 14.95
MagnetoPot: Liquid Level Contactless Sensor
Retired SEN-09072
1 23.95
12V Solenoid Valve - 3/4"
In stock ROB-10456
1 7.95
Power Supply - 12V/5V (2A)
In stock TOL-11296
1 9.95
Ribbon Cable - 6 wire (15ft)
Out of stock CAB-10646
1 2.95
Speaker Terminal - 4 Spring
In stock COM-11145
2 0.75 ea.
1.5
ProtoBoard - Rectangle Wired 3"
In stock PRT-08812
1 4.5
Solid State Relay - 8A
In stock COM-10636
1 4.95
N-Channel MOSFET 60V 30A
In stock COM-10213
4 0.95 ea.
3.8
Voltage Regulator - 5V
In stock COM-00107
1 0.95
Electrolytic Decoupling Capacitors - 10uF/25V
In stock COM-00523
1 0.45
Capacitor Ceramic 0.1uF
In stock COM-08375
1 0.25
Electrolytic Decoupling Capacitors - 100uF/25V
In stock COM-00096
1 0.35
Piezo Element
In stock SEN-10293
1 1.5
Total: 78