v3

• added pullup resistors for GPIO0 & CH_PD

v2

• silkscreen of 4&5 changed
• silkscreen of ftdi pinout added

v1

• bug: pins 4&5 switched - silkscreen of the modules lines up, but not working in SW See adafruit's huzzah: https://learn.adafruit.com/adafruit-huzzah-esp8266-breakout/using-nodemcu-lua
• smt switch, which one from farnell?
• power led & resistor