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ESP8266 WiFi Signal Strength

About

This is a sketch for checking the signal strength of a WiFi network. Both the current signal and the average strength for an adjustable timespan are displayed.

Breadboard description

Requirements

Hardware

  • an ESP8266 based microcontroller (it has been tested on a WeMos D1 Mini, but a NodeMCU or similar devices should work fine as well)
  • an SSD1306 based, 128x32 pixel I2C OLED display (it should be easy to adjust for a SPI based displays or other resolutions)
  • a simple potentiometer

Software

Adaptions

Change the WiFi credentials in wifi_credentials.h to the appropriate values.

License

GNU General Public License, Version 2

Authors

Christoph Haunschmidt

About

A WiFi signal strength tracker sketch for ESP8266 based devices

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