mirror of
https://github.com/esp8266/Arduino.git
synced 2025-04-19 23:22:16 +03:00
There was a typo in I2C pin assignment, SCL was set to GPIO #4 instead of GPIO #14, The schematic can be seen here: https://github.com/OLIMEX/ESP8266/blob/master/HARDWARE/MOD-WIFI-ESP8266-DEV/MOD-WiFi-ESP8266-DEV%20revision%20B1/MOD-WiFi-ESP8266-DEV_Rev_B1.pdf