https://devzone.nordicsemi.com/f/nordic-q-a/24326/can-i-change-the-measurement-unit-on-ble-heart-rate-exampleHello, I am using the BLE_app_hrs_pca example and I was wondering whether or not the unit in which my beat rate is encoded (bpm) can be changed. I mean, I would like to set it to beat per hour, for instance, does this value need to be specified onen-USTelligent Community 13Thu, 17 Aug 2017 13:35:05 GMThttps://devzone.nordicsemi.com/thread/95775?ContentTypeID=1Thu, 17 Aug 2017 13:35:05 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b5ca52d6-be54-45ff-acdc-514fd6ed8a30Sigurd<p>Hi,</p> <p>The <a href="https://www.bluetooth.com/specifications/gatt/viewer?attributeXmlFile=org.bluetooth.characteristic.heart_rate_measurement.xml">Heart Rate Measurement characteristic</a> (UUID 0x2A37) is predefined by BLE SIG. All centrals that connects to your peripheral will interpret this value as beats per minute when its sees the that the characteristic have that specific UUID. If this does not suit your application, you should instead create your own custom services and characteristics.</p> <p>Lists of predefined BLE SIG services and characteristics can be found <a href="https://www.bluetooth.com/specifications/gatt/services">here</a> and <a href="https://www.bluetooth.com/specifications/gatt/characteristics">here</a>.</p><div style="clear:both;"></div>