In this article we will be using a 3 character LED 7 segment display to display the RSSI of the WiFi chip on our Particle Photon module. This will help us determine the best possible place to mount our Particle Photon module and whether or not we should use an external antenna. The full application is available on Particle's WEB IDE(build.particle.io/build) so absolutely no programming is required. Video provides a full step by step tutorial on how to flash the firmware into your Particle photon module and get readings on the display.
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