Have External Connector for an antenna with ESP8266 CP2104 WIFI Development Board With Compatible pins for WEMOS D1 Mini.

Features:

1. 11 digital input/output pins
2. Interrupt/PWM/I2C/one-wire
3. 1 analog input(3.2V max input)
4. 4M byte Flash
5. External antenna connector
6. Built-in ceramic antenna
7. New CP2104 USB-TO-UART IC
8. Same size as D1 mini, but more light

Specification

1. Microcontroller ESP-8266EX
2. Operating Voltage 3.3V
3. Digital I/O Pins 11
4. Analog Input Pins 1(Max input: 3.2V)
5. Clock Speed 80MHz/160MHz
6. Flash 4M bytes
7. Length 34.2mm
8. Width 25.6mm
9. Weight 2.5g
10. NOTE: All of the IO pins have interrupt/PWM/I2C/one-wire support except D0,  All of the IO pins run at 3.3V.

Package

1. 1 x D1 Mini Pro V1.1.0
2. 1 x Set of header pins

Downloads:

1. Click me For Drivers OF WeMos D1 Mini Pro

Package includes:

• 1x WEMOS D1 Mini Pro module
• 2x 20-pin headers (customer can cut small piece as needed)