Creating a voice-controlled outdoor plant box combines gardening with smart technology, making plant care effortless. Here’s a step-by-step guide to build your own:

1. Gather Materials: You’ll need a weather-resistant wooden or plastic box, soil, plants, an Arduino or Raspberry Pi, a microphone module (like the KY-038), a relay module, a water pump, and a smart speaker (Amazon Alexa or Google Home).

2. Assemble the Plant Box: Build or repurpose a sturdy outdoor box with drainage holes. Fill it with soil and plant your chosen greens.

3. Set Up the Electronics: Connect the microphone module to the Arduino to detect voice commands. Use the relay module to control the water pump. Program the Arduino to respond to commands like "water the plants" or "check soil moisture."

4. Integrate with a Smart Speaker: Link the Arduino to Alexa or Google Home via IFTTT or a custom skill. This allows voice control via phrases like, "Hey Google, water my plants."

5. Test and Optimize: Ensure the system responds accurately and adjust the water pump’s duration based on plant needs. Add sensors (like moisture or light sensors) for automation.

This DIY project blends IoT and gardening, offering a futuristic way to nurture plants hands-free. Perfect for tech-savvy gardeners!