Hardware serial port monitor over WiFi

10 March, 2016

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This tutorial shows how to connect Arduino to the TX line (of a router, RPI) and display serial data on smartphone over WiFi.

Arduino listens for serial port communication on its hardware serial port. Then it sends every received line of data trough software serial port to ESP8266. ESP8266 puts every received line of data into circular buffer. ESP8266 also runs code for webserver and a website which pools the buffer for new data and displays it on the website. (Sadly there is no websockets support for ESP8266.) To see this serial data all you have to do is open the website (IP) on your smartphone and enable javascript.

Hardware serial port monitor over WiFi – [Link]

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Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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