ADT Inc. of Houston, TX, has put together an inexpensive, computer-based educational information resource that allows students in developing countries to access a vast library of educational content without relying on the Internet. The device can be used in the classroom, at a library circulation desk, or in an office.  The developing world faces numerous obstacles in bringing prosperity and a good life to all its people.  This device is one small step in this long journey.


The heart of the system is a low-cost, credit-card size microcomputer, the Raspberry Pi (RPi), a fully functional computer with all the capabilities of a typical laptop computer:  wi-fi communication, USB and Ethernet ports, and RAM memory.  Educational content can include books, workbooks, journal articles, school textbooks, videos, and whole programs of class lectures.  Students and teachers access the RPi using any wi-fi-enabled devices, such as a TV, monitor, projector, laptop, desktop, or tablet computer.  Students can use the materials for individual research and learning or together in a classroom setting with students using wi-fi-enabled devices.


What is the power source for the RPi?

The RPi is powered by direct current or solar power. The RPi power source can be ordered with all existing power plug configurations.

Does the RPi come with an easy-to-use setup guide?

Yes, a setup guide is included.  The initial setup takes about one hour.  Downloading the data takes 3-4 hours.

How much does the system cost?

The RPi with SD card, USB, and power connection is $185.  The software and data are free.  Additional costs would include overseas shipping and the cost of any access devices used to connect to the RPi.

What content comes loaded on the USB and SD cards?

Already loaded content includes Khan Academy, courses from MIT, Rice and more.  Liberal arts content has been added to make the device useful for the full range of student interests.

Can users add their own content to the data card?

Yes, local language content and other material can be added.

Can the content be updated or revised?

Yes, but an entirely new SD card must be created and downloaded.

How does the teacher monitor the students?

The teacher can add or delete students, monitor their activities, and give tests to all or some of the students.

What is the maximum number of students that can us the system at one time?


What is the maximum distance students can be from the RPi?

150 feet/46 meters

What security features are available to prevent misuse of the RPi?

Both teachers and students will have passwords.

How are students and teachers prevented from accessing unsafe or inappropriate web content?

This product is provided offline, simply it is not connected to the Internet.