As an engineer I love playing with hard- and software connecting to the physical world.
This user joined on 02/07/2016.
As part of the <a href="http://netzsin.us"; target="_blank">netzsin.us</a> project I developed and built a grid frequency measurement device based on the popular ESP8266 sensing the frequency using an antenna to pickup the electric field around a mains cable. It only needs a 5V supply.
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