Introduction to Device Programming

Total waste of time.
I took this course, because expected to learn writing programs on Raspberry Pi for various sensors and input/output devices;

As result, there was only 2-3 poor code examples: blinking led, outputting text to console ; There was mentioned wxample with 3-in-1 digital sensor that communicates over I2C . but totally no code or hints, how to write this code on your own, were not provided;

IMHO , the most part of course is intended on those people, who totally don't know about elecronics from hardware point of view. Even though, I would advice: DON'T TAKE THIS COURSE, because there is a lot of misleading and wrong information, i.e., in assesments:
1) they call "Voltage" as "The difference in electrical charge between two points in a circuit;
my comment: from physics course everybode should know that it's difference of potentials!!

2) on question "What happens to the current in a circuit when you add an infinite amount of resistors in series", their "correct" answer (other answer variants were even more dumb... ) is "An infinite amount of resistance will prevent any current from flowing, causing the voltage to drop to 0";
My comment: From Ohms law, voltage applied to any quantity of resistors will be equal to supply voltage (NOT zero!!!); thus, current will be infinetely close to zero, but NOT zero!

and there are lots and lots of such fake bullshit (Sorry for my French =) ), which will make your knowledge only worse;