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Name: ESP8266 IoT Data Logger
Type: Development Board
Author: Dubravko Penezic
Copyright: Creative Commons BY-NC-SA v 3.0
PCB Top & Bottom image:
Schematic in PDF document
top_pcb_svg.svg SVG file
bottom_pcb_svg.svg SVG file
Picture show blue jumper in EEPROM write protection position, if you need to write , you may disconnect jumper or connected on contrary position.
Board have implemented automatic reset/flush mode, Short press on Reset button will cause board to reset, longer one will reset board in flush mode. If you need to force flash mode , upper picture show yellow jumper for do that.