Noise/interference graph to aid location selection

[kevinjwalters]

For any device with LEDs that can show a bar graph it could be useful to provide a crude interference meter to indicate the suitability of that location for ExG measurement.

[kevinjwalters]

A protoptype for the Arduino UNO R4 WiFi: https://github.com/kevinjwalters/BioAmp-EXG-Pill/blob/arduino-r4-wifi/software/NoiseBarGraph/NoiseBarGraph.ino

[kevinjwalters]

Step 3 in Instructables: EMG With Arduino UNO R4 WiFi and DIY Neuroscience Kit From Upside Down Labs shows some values from using it.