The serial wifi module based on ESP-12 which is an ultra-low power UART-WiFi module. It has excellent dimensions and ULP technology compared to other similar modules. The module is special design for mobile devices and Internet of Things . Once firmware is upgraded to the appropriate version, a compatible Android device can run the IOT.APK to do the following:control the PWM, I/O pin, or Serial communication. For example,you can use this module transmit date with it serial port.It is easy to communication with other device

Features

• Connection Mode:U(UART)
• One high speed serial port
• low power consumption, suitable for battery-powered applications
• Working voltage:5v
• Dimensions(mm):45.0(L)x20.0(W)x6.8(H)

Parts list

• 1 X Crowtail- Serial Wifi
• 1 X Crowtail 4 Pin Cable

Useful links

• Serial Wifi Schematic
• Serial Wifi Program
• Typical Applications
• Wiki