https://devzone.nordicsemi.com/f/nordic-q-a/121324/indicate-low-battery-on-uwb-dwm3001cdk-boardI am working with the DWM3001CDK board for Ultrawide band, but would like to use one of the free LEDs on (P0.14, P0.22, P0.05, or P0.04) as a way to show that the 3 AAs powering the board need to be changed. Would there be a recommended ADC pin to useen-USTelligent Community 13Fri, 09 May 2025 13:35:00 GMThttps://devzone.nordicsemi.com/thread/534687?ContentTypeID=1Fri, 09 May 2025 13:35:00 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0d2fcd04-dd66-475f-a1d9-c5dbfbb3e40cSigurd Hellesvik<p>Hi,</p> <p>This guide is not exactly for 3 AAs, but I think it can be relevant even so:</p> <p>&nbsp;<a href="https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/measuring-lithium-battery-voltage-with-nrf52">Measuring Lithium battery voltage with nRF52</a> </p> <p>Does this explain what you need?</p> <p>Regards,<br />Sigurd Hellesvik</p><div style="clear:both;"></div>