Proteus Connect

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Proteus Connect is an Android App for development purposes intended for use with the Proteus module series by Würth Elektronik eiSos.

This App allows connection to and communication with Bluetooth® LE module that are using the default Profiles for Proteus radio modules. It implements the Bluetooth role “central”.

Core of this App is the display of communication with the module in a terminal style. The user can send data to and receive data from the Proteus radio module. They can select hexadecimal or ASCII for coding of the user data. Parallel to the user data the App can be configured to show events of the active connection or event that occur during connecting.

The negotiation of the connection parameters (timing parameters, radio frame size, etc.) is performed automatically. Some of this parameters can be changed during an active connection by the user of the app or by the Proteus module.

Bluetooth compliant Bonding or Paring as well as encrypted communication is inherently supported by the Android operating system, provided that both connection partners support and activate that options.

Minimum Requirements:

  • Android Smartdevice with Android version 5 (API level 21) or newer
  • Bluetooth 4.2 or newer


  • Android Smartdevice with Android version 9 or newer
  • Bluetooth 5.0 or newer
  • Bluetooth 5.0 optional features support: DLE (data length extension), Coded PHY (long range mode), 2Mbit PHY (high throughput mode)

Data protection notice (mandatory, must be read and confirmed)