Power Consumption for BLE Glucose code

[SumitS]

Hi,

I am using the sample code provided by Nordic in the software examples for BLE glucose peripheral mode. Also i am using the development kit provided by InsightSIP. When i measure the current it is taking about 3mA. This current is much more our expectation for the application that we are developing. Can you please tell us is there any sample code with the very low power consumption? Also is the peripheral BLE Glucose expamle deisgned for Low Power?

Thanks & Regards, Sumit Singhal

[Stefan Birnir Sverrisson]

Hi

The current consumption I measure on my nRF51-DK is around 1.7mA when advertising with the default advertising interval of 25 milliseconds. When connected the current consumption I measure with default settings, notificaitons not enabled and connecting with the Master Control Panel is around 1.8mA (with 7,5 ms connection interval). Remember to power cycle after flashing the code to the device before measuring current. See the current consumption guide for further considerations when measuring current consumption. The current consumption guide points out how to change connection interval in order to decrease current consumption.

In the glucose example and most of the BLE examples in the SDK, a few seconds after a connection is established to a peer, the device will send a connecton parameter update request to the central device which will update the connection interval. See this thread which describes how the connection parameter update procedure works.