Voice-Controlled Aquaponics Kit - Raspberry Pi 5 Project
Voice-Controlled Aquaponics Hub with Raspberry Pi 5 and Offline Speech Recognition
Every part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.
Imagine walking into your indoor aquaponics setup and speaking a custom wake word, then telling it to turn on the grow lights or check the water pump status—all processed entirely on the Raspberry Pi 5, no cloud, no Wi-Fi. This kit equips you to prototype a real-world voice interface that listens for your chosen wake word through Vosk’s offline speech recognition engine and fires GPIO relays to actuate pumps, aerators, or solenoids. It’s a complete sandbox for experimenting with edge-based voice control in sustainable agriculture and smart farming.
What You'll Build
You’ll assemble and program a self-contained voice command station that recognizes a customizable wake word followed by action phrases like “pump on” or “light off.” The Raspberry Pi 5 processes audio from the USB microphone, runs the Vosk model locally, and toggles the two 5V relay modules accordingly. The amplifier and speaker provide audible feedback, while the soldered relay interfaces let you safely switch real loads in a small aquaponics rig. By the end, you’ll have a hands-free control node ready for deployment in a bench-top fish-and-plant system.
What You'll Learn
- Deploy Vosk offline speech recognition on Raspberry Pi 5 and fine-tune a custom wake word engine
- Interfacing 5V relay modules with GPIO pins and adding flyback diodes for inductive load protection
- Designing a compact audio pipeline with USB microphone, PAM8403 amplifier, and 3W speaker for real-time voice feedback
- Writing Python scripts that parse spoken commands, debounce triggers, and manage multiple relays reliably
Kit Contents
| Component | Quantity |
|---|---|
| Raspberry Pi 5 4GB | 1 |
| USB Microphone | 1 |
| PAM8403 Amp | 1 |
| 3W 8Ω Speaker | 1 |
| 5V Relay Module | 2 |
| 1N4007 Diode | 5 |
| 10kΩ Resistors | 5 |
| M-F Wires | 20 |
| MicroSD Card 32GB | 1 |
| USB-C PSU | 1 |
| Soldering Iron | 1 |
| Solder Wire | 1 |
Why Buy This Kit Instead of Sourcing Parts Separately
| Factor | Sourcing Separately | Compoden Kit |
|---|---|---|
| Compatibility checks | You verify every part | Pre-tested as a system |
| Build support | Forums and scattered tutorials | AI companion trained on this exact project |
| Time to first working build | Days of debugging | Hours, with step-by-step guidance |
| Shipping coordination | Multiple sellers, multiple delays | One shipment from Bengaluru in 3-5 days |
Who This Kit Is For
This advanced project is built for engineering undergraduates—B.Tech ECE, EEE, or IoT streams—who want to explore edge AI and voice-controlled automation. It fits directly into Smart India Hackathon prototypes, final-year agriculture‑tech projects, and ATL Tinkering Lab extensions at colleges. If you’re at IIT, NIT, VIT, or BITS and need a robust, offline voice interface for aquaponics, this kit gives you the hardware and software scaffolding to move fast.
Built and Backed by Compoden
Every Compoden kit ships with an AI build companion trained on this exact project — accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.
What if I get stuck during the build?
Scan the QR code on the box to launch the AI companion, which walks you through each wiring and programming step. WhatsApp support is also available for direct human help.
Can this kit work completely offline?
Yes, the Vosk speech recognition model runs entirely on the Raspberry Pi 5 without any internet connection. Once the wake word model is loaded, all voice processing happens locally.
How do I extend the system for more outputs?
The included project guide shows you how to use the GPIO header to add more relay modules, up to the Pi’s available pins. You can also cascade the voice‑command structure to handle additional equipment.
What Python skills are required?
Basic familiarity with Python syntax is enough. The AI companion and example scripts explain the audio pipeline, GPIO control, and command parsing in detail, so you can follow along and modify confidently.
Aquaponics — Pi 5 runs Vosk offline speech recognition with custom wake word. Triggers GPIO relays on voice commands.
What's in this kit
Choose your assembly option:
- Soldering Kit — 25W soldering iron, 60/40 solder wire, flux, and small perfboard for permanent assembly.
- Breadboard Combo — 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.
Other projects you can build
Shipping Information
- Prepaid Orders: ₹75 for orders up to ₹999, FREE shipping above ₹999
- COD Orders: ₹125 shipping + ₹50 COD fee = ₹175 total
- Delivery Timeline: Dispatch in 1-2 days, delivery in 2-7 days depending on location
Returns & Warranty
- 7-Day Return: Manufacturing defects only (approval required)
- Warranty: 7 days from delivery
- Non-Returnable: Batteries, consumables, cut wires, clearance items