Programming Olimex ESP8266 development board with FT231X

A couple of weeks ago I got a bunch of Olimex ESP8266 development boards (MOD-WIFI-ESP8266-DEV) for IoT prototyping. ESP8266 itself is a neat little WIFI-enabled SOC by Espressif. It has 16 GPIO pins, support for I2C, SPI, UART etc. and even an ADC[1]. Unfortunately, it also lacks good documentation. Flashing the ESP8266 is done over UART but as there are plenty of ESP8266 modules and USB-to-UART devices available, it’s not always easy to find instructions. I have the SparkFun FT231X Breakout which is nice general purpose USB-to-UART device thanks to its full set of pins. As I couldn’t find a tutorial for it, I had to go through some trial and error to get everything working. This is a brief tutorial of what kind of setup I currently have for programming Olimex ESP8266 development boards.

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Introducing prkl.info

For some time I’ve felt I’d need a domain for showcasing my various electronics, software and photography projects and perhaps for occasional blogging. So here goes: prkl.info is live!

Posted in General