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I'd like to point out an important issue. The question is whether purchasing Arduino hardware is mandatory to complete the course. To get straight to the point, unless you engage in some kind of dishonest behavior, it is impossible to complete this course without purchasing Arduino hardware. The course materials mention that you can learn using an online Arduino simulator without the hardware, but in Module 1, there is a peer-reviewed assignment that requires you to submit a screenshot showing the completion of compilation and uploading in the Arduino IDE, which cannot be done with a simulator. I purchased an Arduino starter kit, so I had no problem completing the assignment, but the task itself is entirely pointless. The instructor, as with the Go language course, overuses peer-reviewed assignments for trivial matters. I'm now concerned whether the purchase of hardware will also be mandatory in the upcoming Raspberry Pi course. The Raspberry Pi is significantly more expensive than Arduino. While I am satisfied with purchasing the Arduino, I have doubts about whether the content of this specialization justifies the cost of purchasing a Raspberry Pi.

This course is easy to some extend. At the end you have an assignment that will ask you to do something that you are not explained directly how to do it. If you did not do some experiment on your own, then it may me a bit hard.

The course is one way. You watch videos, do readings and do the tests. There is no way to make questions, and there is no forum. So you can't not learn from other people experiences. This may be good for some people. But I rather expend more time reading comments on forum and learn more.

The course is useful if you have some minimal background and you want to make sure you cover from A-Z.

It was a good course, I wished more courses about Arduino and examples of what we can do with the platform in real life applications. Arduino seems more accessible that raspberry pi, in terms of price (I believe I cannot complete the course about this particular platform), the software (myself I have trouble with Linux, perhaps due to my low level of knowledge), in Arduino I used mostly the 123d simulator, which helped me a lot. I am grateful to Prof. Harris, the Coursera team and the California University.

I found this to be very useful in getting started with both C and the Arduino - neither of which I've studied/used before. I felt the lectures were well delivered and the videos of the Arduino board and circuit helped me to connect components correctly. I suspect some of the problems I experienced in submitting my projects might be resolved through some more detailed advice within the course notes. I'm looking forward very much to the companion course involving interfacing with the Arduino.

I liked the course however It will be a tad difficult for someone with absolutely no programming background so the professor just digs into it so unless you study a lot on your own (and not following the few 2-3 hrs a week prestated) you will have some trouble getting there.

The only bad thing is that you have to copy paste your code. This makes the whole code alignment to jump and a lot of students didn't re-align in the preview screen hence their code gets some errors.

This was a good introduction; and now I am moved on to taking courses 1 and 3 this month :) and getting good value from the time spent. Learning a lot thank you Mr. Harris! I appreciate the laid back, practical kind of style, although once in awhile you stumble on something and I'm like "Did he really not re-record that?". But, it is more than made up for by the positive aspects that you covered so much useful data and made it available to us. Thanks again.

The course is best for those who are new to Arduino and will motivate them to learn more about the subject. There are lots of sensors with which the students can play with and then report their experience. There are many other advanced subjects in this course that can be added like making of our own library for a sensors etc. Overall its a good lecture and it was easily understood.

The course was a great introduction to the arduino ecosystem and professor Harris explained all the basic concepts related to it very well. However, this is only an introduction to the arduino platform mainly for beginners. so if you already have basic knowledge of the programming of arduino or any other microcontrollers, this course may not be of much help to you.

For someone with a little competence in processors and coding probably the course is a little too complex so it would be good to do a more detailed explanations. I'm a telecom engineer so for me it was the right difficulty in the assignments to practice classes but I also needed to do some research on my own, In general the course is great,