All Amazon links are affiliate links, which means if you purchase something on Amazon within 24 hours of clicking one of these links, LEDgardener gets a commission from Amazon at no extra cost to you.
| Category | Part | Qty | Description | Link |
|---|---|---|---|---|
| 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 |