Wifi: A Wifi Sensor for LEGO Mindstorms

  • A Wifi sensor for the LEGO MINDSTORMS NXT®.
  • Communicate with robots, computers, and the internet.
  • Support for TCP, HTTP, UDP, Adhoc networks and more.
  • Connect to WEP and WPA networks.
  • Control your robot from anywhere in the world!
  • Uses high speed communications on Port 4.
  • See what we've done with the Wifi Sensor here.

Sorry! We no longer offer the Dexter Industries Wifi. Please see the Humarobotics WIFI Block here..

Detailed Description

The Dexter Industries Wifi Sensor allows your robots to connect to the internet and send and receive data. The Dexter Industries Wifi sensor for LEGO® MINDSTORMS® NXT is a sensor designed to allow your LEGO MINDSTORMS to connect to the internet via a local Wifi network.

The sensor can be used to communicate via HTTP, TCP, UDP protocols. The sensor can connect via WPA, WPA2-PSK, and WEP networks, as well as adhoc networks between the LEGO MINDSTORMS and a wifi enable device such as a cell phone or computer.

The sensor operates with standard 802.11 b/g/n access and can log onto any home network. The Dexter Industries Wifi Sensor connects to the LEGO MINDSTORMS NXT via the high speed communications Port 4 and is powered by an external 9V battery.

The sensor is supported in RobotC and NXC.


Our Manual for the Wifi Sensor for LEGO® MINDSTORMS® NXT. Provides more detailed information about the sensor and how to use it.

See more in-depth explanations on the different functions of the Wifi sensor with our Wifi Week Series:

Visit our Downloads section for example programs, and projects for the Wifi sensor.