Bluetooth Controlled Relay

Bluetooth Controlled Relay at a Glance...

  • 4 Relay Installed on a Circuit Board
      - Non-Expandable ProXR Lite Design
  • Next Generation Bluetooth
      - 200 to 300 Ft. Wireless Range
      - Appears as a Standard COM Port on PC/Laptop
      - Soft AP Web Interface for Configuration
  • Industry-Leading ProXR Command Set
      - Program in Nearly Any Language
      - Send Precise Relay Commands
      - Toggle, Flash, and Timing Control
  • ProXR AD8 Command Set (Input Support)
      - Read 0-5V Sensors
      - Monitor External Sensors or Contact Closure
      - Use Inputs to Trigger Relays

Selecting the Proper Amperage

For more information on selecting a board with the correct relay amperage for your application see Choosing a Proper Amperage.

Looking for a reliable 4-channel Bluetooth relay? These compact ProXR Lite controllers appear as a standard COM port and offer simple relay control for switching lights, motors, and devices over Bluetooth.

NextGen Bluetooth Relay Interface

The NexGen Bluetooth/WiFi interface lets you control relays wirelessly over a Bluetooth connection. Using the Bluetooth Serial Port Profile (SPP), the board appears as a standard COM port on your computer, making wireless communication simple and familiar.

Bluetooth settings such as the device name and PIN can be configured through the built-in web interface using WiFi Soft AP mode. This means you enable and manage Bluetooth using the same easy setup process as your WiFi features.

NexGen Bluetooth Communication

The NexGen Bluetooth/WiFi communications module modernizes connectivity by combining WiFi, Bluetooth, USB, and MQTT into a single powerful interface. The onboard firmware focuses on essential features while remaining flexible enough for a wide range of automation and control applications.

4-Channel Bluetooth Relay Series (ProXR Lite)

4-Channel Bluetooth Relay Boards are available in the non-expandable ProXR Lite version. While ProXR Lite boards cannot be expanded, they still support the full ProXR Command Set - the industry's most powerful relay control protocol.

- Program in nearly any language.
- Send precise relay commands.
- Control with confidence.

Select Your Relay Type & Amperage

Choose the 4-channel Bluetooth relay controller that matches your load requirements:
  • SPDT Relays: 5A, 10A, or 20A
  • SPST Relays: 30A
Need help selecting the right relay amperage?
Use our Choosing a Proper Amperage to make the right call for your application.

💡 Relay Pros Pro Tip:

If you're controlling high-current loads like motors or heaters, always choose a relay with extra amperage headroom. Running a relay at its maximum rating can shorten its lifespan.