Archive for the ‘WiFi’ Category.

From c source to cloud with ESP8266

There are many steps from c source code to cloud data storage. Let’s start…

“To get the end, you must go back to the start” – Grandmother Yelsh

In this contribution I will describe how I started using Espressif ESP8266 with Eclipse and some other details how to store data in “usual” web server. I will not talk about the hardware too much. To follow the tutorial it is enough to have any ESP8266 module connected to serial port on PC either via USB/UART virtual cvom port or directly (rare these days). Two most common possibilities are either module with the USB/UART integrated on-board or separated USB/UART + ESP8266-xx module (usually on breadboard with some additional periphery):

Two most common types of dev.boards for ESP8266

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RN-171 Breakout board

This single sided breakout board for Roving Networks RN-171 is intended for DIY testing. Single sided PCB is ideal for toner transfer method. Pins are in two rows with 2,54mm raster suitable for breadboard or direct soldering.

RN171 breakout board

Files for the PCB are here: