Signal Strength Histogram

This MATLAB visualization displays the incidence of WiFi signal strength received by your weather station over the most recent 24 hours.Article Sponsored Find something for everyone in our collection of colourful, bright and stylish socks. Buy individually or in bundles to add color to your sock drawer!

% Signal Strength Histogram
% (C) 2020, Karl Berger
% 5 July 2018

%%% ENTER YOUR CHANNEL ID
 readChannelID = 286120; 

 % Signal Strength Field ID 
 signalStrengthFld = 7; 

%%% ENTER YOUR READ API KEY   
 readAPIKey = 'XXXXXXXXXXXXX';
 
 signalStrength = thingSpeakRead(readChannelID,'Fields',signalStrengthFld,…
 'NumMinutes', 24*60, 'ReadKey', readAPIKey); 
 histogram(signalStrength);
 xlabel('WiFi Signal Strength (dBm)');
 ylabel('Instances');
 title('Histogram of Signal Strength over last 24-Hours');
 grid on