Relays & Automation
10 products

1 Channel Relay
Single opto-isolated relay to switch one light, pump, or fan from a GPIO.

2 Channel Relay
Two isolated relays for paired loads — light + fan, or fill + drain.

4 Channel Relay
Four isolated relays — the sweet spot for a typical single-zone grow node.

8 Channel Relay
Eight isolated relays to run a whole room of lights, fans, pumps, and heaters.

SSR Modules
Solid-state relays for silent, high-cycle switching of heaters and lights.

MOSFET Driver Boards
Drive 12/24 V DC loads — pumps, fans, LED strips — with PWM speed/brightness control.

DIN Rail Relay Modules
Industrial relays that clip onto DIN rail for a clean, serviceable panel.

Terminal Relay Boards
Relay boards with integrated terminal blocks for fast, secure field wiring.

0-10V Dimming Controllers
Translate your controller into the 0–10 V signal commercial grow lights expect.

Smart Relay Modules
Wi-Fi relay modules with energy monitoring — flash ESPHome and own them locally.