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How to create a 3D representation of the signal strength of your Wi-Fi network?
A man found a relatively simple way to obtain a large number of data points over wifi signal of a network in a space and display them on a 2D plane or 3D again. The 3D view shows the sites in an area with good signal.
Hackaday user CNLohr used a ESP8266 module that he on his laptop covenant to obtain information on the signal strength. By the module to allow ping 500Hz he got a lot of data points and the module slowly over a surface to slide, he could read the signal at points of that plane. The data on signal strength he used to light up an LED, wherein the strength of the color specified.
By shooting with long time exposure, the range could be displayed visually. For “measure” of the signal in a three-dimensional space, he used a computer-controlled wood cutter. In the 3D view are the places in blue the best viewing positions and green indicates proper operation. The spacings did not have good range. The man has instructed his method online put in hackaday.Viewing:-162
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