Olimex announced open source hardware ESP8266 modules last month, and the company has just announced the availability of ESP8266-EVB board with an ESP8266 module, a relay, an UEXT connector for other compatible Olimex modules, and headers for access to GPIOs.
- MOD-WIFI-ESP8266-DEV Wi-Fi module with soldered connectors
- Female connectors for MOD-WIFI-ESP8266-DEV
- 10A/250VAC Relay
- 16-pin header (CON3) with access to some GPIOs, ADC, SDIO, RESET, and power signals.
- UEXT connector to connect modules and sensors from Olimex, or access I2C, UART, SPI, and extra GPIOs
- Misc – User Button which can also be pressed at boot time to enter bootloader mode for firmware upgrade.
- Power Supply – 5V/1A recommended; DCDC power converter to 3.3V to supply ESP8266 and UEXT modules with up to 1.5A current
- Dimensions – 57x50mm (4 mounting holes)
You’ll also need 5V power supply, and a USB to serial board (3.3V) in order to load the code, and which are not included with the kit. The schematics and hardware design files are available in Eagle and PDF formats.
The company heavily relies on the work by esp8266 community, abut there’s also working on create a demo application to control the board from a page, and switch on/off the relay, read the button status and send I2C or SPI commands. week.
ESP8266-EVB can be purchased for 9.95 Euros on Olimex website, where you’ll also find more details and links to documentation.