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Lego Mindstorms EV3 Essentials by Abid H. Mujtaba

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An overview of the brick

The EV3 brick is basically a standalone computer (an embedded system) running Linux. It contains a 300 MHz ARM9 processor, 64 MB of RAM, 16 MB of internal flash memory, and an SD card slot that supports up to 32 GB of external memory. These hardware specifications paired with the Linux OS are a powerful mix, allowing unparalleled hackability.

Let's review the external features of the EV3 brick.

The front face

The front face (shown in the following image) consists of a 178 x 128 pixel LCD screen, six buttons, and a set of LEDs. Four buttons are set in the familiar diamond pattern and are used for navigating the menu. The center button is basically the Enter key, used for selecting a menu item, while the key in the top-left ...

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