1. Hardware, Software & Firmware
The EV3
Hardware, Software & Firmware
EV3 Hardware:
Anything you can see or touch
EV3 Software:
Programs written by you
Firmware:
Programs/Instructions written by the manufacturer

2. NXT Brick Hardware Firmware is stored in Flash Memory
Processor and Memory chips
Firmware is stored in Flash Memory
** This internal picture is of an NXT Brick.

3. Review Question 1
Which of the following is NOT an example of EV3 hardware: A) EV3 Brick B) Connecting Wires C) Sound Sensor D) Motor E) None of the above

4. Review Question 2
Which of the following is an example of EV3 firmware: A) Programs written by students B) Programs written by teachers C) Programs written by Lego D) All of the above E) None of the above

5. Review Question 3
Where are the your software programs stored: A) In the EV3 Brick’s processor B) In the EV3 Brick’s flash memory C) On the EV3 Brick’s screen D) In the EV3 Brick’s buttons E) None of the above

6. EV3 Flash Memory EV3 Flash Memory is 16MB in size (~ 16 min. of music)
Contents can be viewed from ‘Project’ window
Firmware takes up 11MB which includes:
EV3 system files
built-in applications (apps)
sample program, sound and graphic files
Deleting unused programs and files frees up space

7. EV3 Flash Memory
Let’s take a look at the EV3 Flash Memory available to you:
On your computer, in EV3-G, click the ‘File’ pull down
Click ‘New Projects’.
In the lower right hand corner of the screen you will see…
Brick Information:
Current version of firmware
EV3 is the name of this EV3 Brick. Change the name of your Brick here.
Battery Level
Memory Bar - the amount of flash memory used
Memory Browser - file management. Please click on this button.

8. EV3 Flash Memory Memory Browser screen
provides overview of memory use on EV3 Brick.
used to:
transfer programs, sounds, graphics and other files between EV3 Brick and a computer, and
copy and delete files that are already on EV3 Brick.

9. EV3 Flash Memory Now click on Applications.
list of the Firmware applications
bar that tells you how much Free Space is available to you on your Brick.

10. Review Question 4
What information is stored in the EV3 Brick’s flash memory: A) LEGO® MINDSTORMS® firmware B) Student software C) Sound files D) Graphics files E) All of the above

11. Review Question 5
If you are unable to download your program because the EV3 Brick’s flash memory is full, you should: A) Delete software files B) Delete firmware files C) Delete hardware files D) Restart the Brick E) All of the above