YwRobot ESP-12S Serial Port to WiFi Wireless Transmissions Module Compatible For Arduino

Description:
 

Press and hold the flash and RST buttons simultaneously to program the firmware.

Size: 40 x 28mm

Fixed distance: 3mm

Hole spacing: 1400 x 900mil (35.56 x 22.86mm)

Voltage: 5V

Frequency range: 2.4G-2.5G

Flash capacity: 4MB

 

Package Included:

1 x ESP-12S WiFi Module