ESP8266-EVB is Evaluation board for ESP8266 with relay, button, UEXT, all GPIOs available on 0.1" header Price7.95 EUR10 - 49 pcs7.55 EUR50 - 10000 pcs7.16 EUR ESP8266-EVB is OSHW certified Open Source Hardware with UID BG000015 ESP8266-EVB is board suitable for resarch and development of espressif's ESP8266EX chip....