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SwitchMaster is an Australian-designed 12V switching and control system with five individually fused 20A outputs.

Control lights, fridges, pumps, fans and other 12V accessories through the SwitchMaster app for Apple and Android devices. SwitchMaster can also be controlled from Apple Watch and compatible Garmin watches, the switches built into the unit, or existing automotive and marine 12V switches using the external switching inputs.

Integrated voltage, current and temperature monitoring allows outputs to be controlled automatically based on conditions you configure. Outputs can be grouped, switched based on voltage or temperature, and configured with individual low-voltage cut-outs.

SwitchMaster arrives pre-fused and ready to install and is compatible with 12V charging systems and battery chemistries.

SwitchMaster is now fully open source.

The PCB designs, schematics, firmware, mobile app source code, enclosure files and supporting documentation are available to download. The platform can be repaired, modified, manufactured or integrated into other systems.

The hardware uses readily available components and does not rely on proprietary electronics. Independent switching circuitry allows direct control of the outputs in the event of a microcontroller failure.

There are no subscriptions, cloud dependencies or vendor lock-in.

Want to see it in action? Check out our Long Range Test (30m+) and Basic App Demo and Walkthrough.

SwitchMaster v2 -12v Management System

SKU: SWITCHMASTERV2
$395.00Price
Quantity
  • Product Features

    • 5x20A Outputs
      Control all of your appliances

    • 2x QuickCharge 3.0 USB Ports
      Charge your USB devices FAST.

    • Manual override switches
      Backup switches integrated into directly on the unit. Optional breakout cables available soon so you can control the SwitchMaster from any 12v switch.

    • Compatible with all existing 12V systems and battery chemistries
      Lead acid to lithium and everything else in between.

    • Integrated Fuses
      Keep your system safe with our pre-fused outputs. Easily spot and replace blown fuses with the LED indicator.

    • Fully customisable app interface
      Set your own names and photos on your 

    • Output Timer cut-outs
      Set a timer to automatically turn an output off after a set amount of time

    • Low Voltage output cut-outs 
      Turn off your entire system or select outputs when your system reaches a set voltage.

    • High Voltage switch cut-ins
      Turn on your outputs when your system reaches a set voltage

    • Temperature Sensing 
      Onboard temp sensor + 2 optional sensors. Set alarms or automatically turn on outputs when a set temperature is reached automatically through the app. 

    • Bluetooth control via any modern smartphone (Apple, Android) or Apple smart watch

    • Access from multiple phones or devices (up to 3)

  • Product Specifications

    • Maximum current: 80A 

    • Operating temperature: -20°C to 85°C  

    • Compatible Batteries: all Lead, AGM and lithium  

    • Case Construction: Heavy duty ABS plastic 

    • Bluetooth Range: up to 25 m (in ideal conditions) 

    • Compatible with all existing 12V automotive switches, buttons and panels

  • Shipping Information

    We ship worldwide!

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