In class, the students will have to burn an image on the sd card. What if there is already something on the SD card from the previous class?

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- #725
- 19 Feb 2018
TL. DR.
All the SD cards must be formatted. This could happen before the class, or after the class or during the class.
What is formatting?
In the process of formatting, the file system on the SD card is recreated. All the information is lost and the file system is created as brand new.
Format after the class
After the students finish with burning the image and after they use this image in class you could ask them to format the card and to prepare it for the next class of students that would be using the same SD card. This gives you the opportunity to talk about formatting and to save time for the next class. The group burning the images on the cards is the one formatting the cards.
Format before the class
It might happen that the cards are already with images burn on them when the class starts. The group that is about to use the cards must format them.
How to format with Windows
In a Windows operating system environment, you place the card, press right button, select from the context menu "Format" and press ok. After a few second the SD card will be ready to be used.
Perfect Course SD Card Image with Raspbian OS
This is a disk image containing a Raspbian OS. The image is modified and set up specifically for the Perfect course. It contains all the needed files, libraries and additional tools that we would use in the course. The file is quite large so be prepared to wait some time while downloading.
Checksum: 4d85292f49a9350fcef9f2eb8fd86b77f1c6bd65ce1344848de3e201c9e1d20d
Курсове и занятия включващи този Урок
Този Урок е използван в следните курсове и занятия.

Perfect STEM course. Module 1 - Smart Car with Raspberry PI
Disassemble a remote control car. Change the brain of the car with a smart computer like Raspberry Pi. Build a smart device with artificial intelligence that you could control from your phone and that could freely navigate itself in the real world and on the Internet. Use your hands. Develop programs for your robot and your phone. Be curious and invent.
The perfect course lives up to its name. You move through the content, we check it and return feedback to you.
In the end, you should be able to better understand how to program and design smart devices that would make the world a better place. For everybody age 12+, 16+, 21+, 35+, etc. The hardware costs about 150$. It changes through the years so it might take some time for you to find it as Raspberry PI, motor drivers, power banks and h-bridges.. they change. Note that the course was designed to be led by a teacher with a decent knowledge in embedded hardware and software. This, on the other hand should not stop you, if you are curious.
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Prepare SD Card with software
With the set for the course, you also have an SD card. It is important that you understand why and how is the SD Card is used.
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