The sensor is both USB and Bluetooth compatible. Install the EasySense app, if it is not already on your device. For details of how to operate the EasySense app, please refer to the EasySense documentation.

USB Connectivity

Quick Steps

  1. Connect the sensor to the computer’s USB port using the USB cable supplied.
  2. The computer will automatically detect a new device and depending on your operating system, will install any applicable device drivers.
  3. Start EasySense app.
  4. Within the EasySense app, the Devices icon will change to green to show that the sensor is connected, and the status light on the sensor will also turn green.  
  5. Begin your practical investigations.

Bluetooth Connectivity

Using Bluetooth, the sensor can wirelessly connect to mobile devices such tablets and mobile phones, as well as desktop or laptop computers, giving students the ability to run experiments independently without being tethered to a device. 


See the EasySense app user manual system requirements for further details.

Quick Notes on Bluetooth Connectivity

Only use with the EasySense app, you do not need to pair the device. If paired, the sensor will not be available to the EasySense app.


Computers or devices will need to support Bluetooth Low Energy (BLE). For further information refer to the instructions provided for the EasySense app.

Quick Steps 

  1. Short press the on/off switch to turn the sensor on, blue LED will flash.
  2. Open the EasySense app.
  3. Select the Devices icon.
  4. Select your sensor from the list of available sensors to connect to the device. Your sensor is identified by its unique ID in the list. 
  5. Click on connect at the side of your sensor in the list.
  6. The Devices icon will change to green and the status light on the sensor will flash green to indicate a connection has been established.
  7. Begin your practical investigations.


Connecting The Heart Rate Ear Lobe Sensor

  • Insert the jack plug from the finger/ear lobe clip into the jack socket at the end of the Sensor housing.
  • Attach the finger/ear lobe clip (Pleth) to either the fingertip or to the ear lobe.
  • Note: Avoid applying pressure to the clip as this could affect the signal.