HKD Automatic Relay Irrigation DIY Kit with Pump, Probe & Relay Module

Detailed Description:
The HKD Automatic Relay Irrigation DIY Kit is a beginner-friendly project that enables automatic plant watering based on soil moisture levels. It requires no programming or microcontroller, making it perfect for hobbyists and students.

The kit includes a soil moisture probe, relay module, mini water pump, battery holder, USB cable, silicone tube, and Dupont wires. When the soil is dry, the relay triggers the pump to water your plants; when moisture is sufficient, the pump automatically stops.

Easy to assemble with basic wiring (no soldering needed), this kit is ideal for small irrigation experiments, DIY smart gardens, and electronics learning projects.

Features:

• Automatic soil moisture detection and watering
• No programming or microcontroller required
• Easy DIY assembly - plug-and-play with Dupont wires
• Mini water pump with silicone tube included
• USB or 4 × AA battery power options
• Relay provides reliable switching
• Great for DIY smart garden projects and STEM education

Specifications & Kit Contents:

• Device: Relay Irrigation Module
• Type: Automatic | DIY Kit
• Power Supply: 5V DC (USB or 4 × AA batteries)
• Note: Pump must not run dry for long periods. Keep probes away from direct water pouring to avoid rust.

What's in the box
1 x Relay Module
1 x Soil Moisture Probe + Comparison Module
1 x Small Pump
1 x Battery Holder
1 x USB Cable
1 x 50cm Silicone Tube
10 x 20cm F-F Dupont Cable