https://devzone.nordicsemi.com/f/nordic-q-a/23385/measuring-power-consumption-at-home-with-nrf51822Hi, I would like to measure the electricity consumed at my home(220-240V) with the nrf 51822 and send it over bluetooth. No problem on the bluetooth side, but how can I measure the electricity consumed? Priority is to have it low-power and lasting foren-USTelligent Community 13Mon, 10 Jul 2017 09:31:37 GMThttps://devzone.nordicsemi.com/thread/91923?ContentTypeID=1Mon, 10 Jul 2017 09:31:37 GMT137ad170-7792-4731-bb38-c0d22fbe4515:13f309a6-2e98-4e0a-8a50-c8a24ef5a713Mahesh Venkitachalam<p>Take a look at the open energy monitor project:</p> <p><a href="https://openenergymonitor.org/">https://openenergymonitor.org/</a></p> <p>They use a current transformer:</p> <p><a href="https://shop.openenergymonitor.com/100a-max-clip-on-current-sensor-ct/">shop.openenergymonitor.com/.../</a></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/91922?ContentTypeID=1Mon, 10 Jul 2017 09:27:33 GMT137ad170-7792-4731-bb38-c0d22fbe4515:96e52c89-2b18-4efa-9fb1-5792ac3f26dcbjorn-spockeli<p>Are you going to measure the power consumption of individual appliances or the total power consumption of your entire home? If its the latter then I think something like <a href="http://www.instructables.com/id/Simple-Arduino-Home-Energy-Meter/">this</a> is the easiest approach.</p><div style="clear:both;"></div>