Modules

ESP-01

• Dimensions 14.3 x 24.8 mm
• PCB antenna
• GPIO0/2/12
• Very common module

ESP-02

• Dimensions: 14.2 x 14.2 mm
• U-FL connector
• GPIO0/2/5

ESP-03

• Dimensions: 17.4mm x 12.2mm
• Ceramic antenna
• GPIO0/2/12/13/14/15/16
• Very common module

ESP-04

• Dimensions: 14.7 x 12.1 mm
• No antenna
• GPIO0/2/12/13/14/15/16

ESP-05

• Dimensions: 14.2 x 14.2 mm
• U-FL connector
• No GPIO

ESP-06

• Dimensions: 16.3 x 13.1 mm
• No antena
• GPIO0/2/12/13/14/15/16
• Metal shield claims FCC

ESP-07

• Dimensions: 22mm x 16mm
• Ceramic Antenna & U-FL connector
• GPIO0/2/4/5/12/13/14/15/16
• Metal shield claims FCC

ESP-08

• Dimensions: 17mm x 16mm
• No antenna
• GPIO0/2/12/13/14/15/16
• Metal shield claims FCC

ESP-09

• Dimensions: 10mm x 10mm
• No antenna
• GPIO0/2/12/13/14/1

ESP-10

• Dimensions: 14.2mm x 10mm
• No antenna
• No GPIO

ESP-11

• Dimensions: 19.3mm x 13mm
• Ceramic antenna
• GPIO0/1

ESP-12

• Dimensions: 24mm x 16mm
• PCB antenna
• ADC + GPIO0/2/4/5/12/13/14/15/16
• Very common module
• Metal shield claims FCC

ESP-12E

• Dimensions: 24mm x 16mm
• PCB antenna
• ADC + GPIO0/2/4/5/12/13/14/15/16
• Very common module
• Metal shield claims FCC

ESP-12F

• Dimensions: 24mm x 16mm
• PCB antenna (new revision)
• ADC + GPIO0/2/4/5/12/13/14/15/16
• Very common module
• Metal shield claims FCC

The new revision antenna RF performance optimization, communication distance is increased by 30%-50% compared to ESP-12E!

DevKits

NodeMCU Amica

• Dimensions 25 x 48 mm
• Module: ESP‐12E

Check the full spec here.

WeMos D1 mini

• Dimensions 32 x 25 mm
• Module: ESP-12F

YouTube: Wemos D1 mini - A first look at this ESP8266 based board