| Connectors |
Dupont Cables |
1 |
These connect stuff to the breadboards |
https://amzn.to/2yQio9M |
| Connectors |
Breadboards |
1 |
Allows you to easily mount ESP32 and make connections to other parts. |
https://amzn.to/3e4jM8K |
| Connectors |
Screw Terminal Blocks |
2 |
For distributing 12V power within box. |
https://amzn.to/2x9F2tl |
| Control Box |
BUD Industries NBF-32026 |
1 |
The project box I used to house all the control electronics. 15-47/64" L x 11-51/64" W x 6-9/32" H. |
https://amzn.to/2XnDMgD |
| Control Box |
BUD Industries NBX-32926-PL |
1 |
The plastic internal mount for the BUD box. The square holes need to be drilled out for standoffs. |
https://amzn.to/2VbwtG4 |
| Control Box |
3P IEC 320 C14 Male Plug Panel Power Inlet |
1 |
Panel-mount AC connector for box. |
https://amzn.to/3c75OB9 |
| Control Box |
SZHKM 520pcs M3 Nylon Standoffs |
2 |
Standoffs to lift electronics off of the BUD internal panel. |
https://amzn.to/3o3401Y |
| Control Box |
Cable Glands |
1 |
Cable glands to pass cables cleanly into box. |
https://amzn.to/2VotryG |
| Core |
Raspberry Pi 4 4GB Kit |
1 |
This is the central piece for the entire system. Runs Home Assistant. |
https://amzn.to/2V3Z28L |
| Core |
Arduino Mega |
1 |
Handles relays, weigh scale, float sensor, and Atlas sensors with Whiteboxlabs Tentacle Shield. |
https://amzn.to/3eaeNDr |
| Core |
ESP32 |
2 |
ESP32 in ctrl box handles I/O plus wireless comms back to Pi. ESP32 in tent handles dimming, temp/humidity & exhaust fan |
https://amzn.to/39poT3H |
| Core |
Whitebox Labs Tentacle Shield |
1 |
Shield for Arduino to interface with Atlas Scientific EZO stamps/sensors and provide electrical isolation. |
https://amzn.to/3aYVzPl |
| Core |
Amazon Fire HD 8 Tablet |
1 |
Attaches to control box with 3M adhesive locking strips. Serves as main UI for system. |
https://amzn.to/369qecy |
| Misc Electronics |
PC817 Optocoupler |
1 |
For dimming a Mean Well B-Type driver. Requires 100 ohm resistor to limit current to opto LED. Try to find a smaller qty. |
https://amzn.to/3mdLWBZ |
| Misc Electronics |
IRLZ44N MOSFET |
1 |
3.3V Compatible MOSFET. Use these for things like PWM fan control. May require additional parts like resistors. |
https://amzn.to/2V5XjQy |
| Misc Electronics |
Right-angle Micro USB Charging Cable |
1 |
Provides clean connection to tablet without jutting out too far. |
https://amzn.to/3efeTdk |
| Magnetic Stir |
Arctic F8 PWM Fans for Nute Stir |
6 |
Nutrient jar stirring fans. Can take PWM signal but I run mine wide open. |
https://amzn.to/2JT0PYR |
| Magnetic Stir |
Type-C PTFE Magnetic Stir Bar |
6 |
Nutrient jar magnetic stir bars. These sit in nute jars. |
https://amzn.to/3aUleZo |
| Magnetic Stir |
Nutrient Jar Magnets |
12 |
Nutrient jar magnets that get superglued to the fans. These turn the stir bars. |
https://amzn.to/3aZl4jp |
| Power |
Mean Well 12VDC 150W Power Supply |
1 |
This power supply provides power for all the electronics in the control box. |
https://amzn.to/2JUHd6B |
| Power |
Drok Voltage Stepdown Converter |
2 |
These 2 stepdown converters take 12V down to 7V (for ESP32 & Arduino) and 5V for other electronics. |
https://amzn.to/2RqgP91 |
| Power |
TP-LINK HS105 |
3 |
WiFi Smart outlets for grow light control, humidifer control, etc. |
https://amzn.to/3csgVVs |
| Pumps/Solenoids |
Peristaltic Dosing Pumps |
6 |
Dosing pumps. Requires separate tubing. |
https://amzn.to/3a1UWDg |
| Pumps/Solenoids |
Peristaltic Pump Food-Grade Tubing |
1 |
Connects to both sides of dosing pumps. |
https://amzn.to/2UYHDzc |
| Pumps/Solenoids |
Vivosun 800GPH Submersible Pump |
4 |
1 Feeds RO water to the mix res, 1 stirs the mix res, 1 pumps water out to plants. |
https://amzn.to/2UYGQhI |
| Pumps/Solenoids |
Normally Open 12V Solenoid |
1 |
Allows fresh water to flow into system until solenoid is activated. Used for flood protection. |
https://amzn.to/3el7qJI |
| Pumps/Solenoids |
Normally-Closed 12V Solenoid |
1 |
Restricts water between RO res and Nute Res, requires pump in RO res to push water through it. |
https://amzn.to/3aUnyzA |
| Relays |
Elegoo 8 Channel Relay Board |
1 |
Used to turn solenoids and magnetic stirrers on and off, plus whatever else in the future. |
https://amzn.to/2JR01DX |
| Relays |
Elegoo 4 Channel Relay Board |
1 |
Mounted inside power bar and used to turn 4 outlets on and off. |
https://amzn.to/3o11GZq |
| Reservoirs |
R270900 1/2-Inch Double Threaded Bulkhead |
4 |
1/2" Double-Threaded Bulkhead for Connections to Reservoirs. |
https://amzn.to/2yHAcnh |
| Reservoirs |
Hydrofarm HGTB50GF 1/2-Inch Black Tubing |
1 |
1/2" Tubing to go between reservoirs and out to plants. |
https://amzn.to/3a0epEp |
| Reservoirs |
SharkBite UC532LFA Swivel Elbow |
1 |
Swivel to attach tubing between 12V solenoid on RO res and 1/2" float valve on mixing res. |
https://amzn.to/2JVwR6s |
| Reservoirs |
Kerick Valve MA052 PVC Mini Float Valve |
1 |
Mixing res fill float valve. Prevents freshwater overfilling mixing res. |
https://amzn.to/2yIs7yG |
| Reservoirs |
Malida Water Filter Float Ball Valve |
2 |
1/4" Float valve for DIY humidifier and RO res. |
https://amzn.to/2xmtBOX |
| Reservoirs |
AGPtek Mist Maker |
2 |
DIY humidifier ultrasonic foggers |
https://amzn.to/39TySKV |
| Reservoirs |
Reverse Osmosis System |
1 |
iSpring RCC7 High Capacity Under Sink 5-Stage Reverse Osmosis System |
https://amzn.to/2x9MRze |
| Sensors |
BME280 Temp/Humidity/Pressure Sensor |
3 |
These are the most reliable humidity/temp sensors I've used. 3 total: 2 in tent, 1 in control box. |
https://amzn.to/3q47kfk |
| Sensors |
DS1820B Waterproof Temp Sensor |
1 |
Measures temperature in mixing res and value is fed to pH circuit to compensate readings. |
https://amzn.to/33gn6dh |
| Sensors |
Atlas Scientific 1.0 Conductivity Kit |
1 |
EC Probe, circuit "stamp", and calibration solution. |
https://amzn.to/39RFSIo |
| Sensors |
Atlas Scientific pH Kit |
1 |
pH Probe, circuit "stamp", and calibration solution. |
https://amzn.to/2JQVKQV |
| Sensors |
KeeYees Moisture Sensors |
4 |
Used to detect moisture on tent floor and beneath system to trigger flood protection. |
https://amzn.to/34BumA1 |
| Sensors |
Madison M8000 Float Sensor |
1 |
Detects when drain basin in tent is full, triggers pump to return runoff to reservoir |
https://amzn.to/2XotuNj |
| Sensors |
HX711 Weigh Scale Kit |
1 |
Weigh scale kit for measuring amount of solution in mixing res. Load cell amp and 4 load cells. |
https://amzn.to/2RI1BfN |