
Although it is on the higher end of the price range, the quality of the modules is guaranteed with the various Arduino sensor kits available from Revain. While I was a bit disappointed to find the battery was stuck in the IR remote and not working, this is the only faulty part I received, the rest works great. The boards and modules are well labeled, there is clear good documentation that comes with short projects using each of the sensors in the kit and code available on their website. I'm new to Arduino but within an hour I was able to use a laser pointer to output strings in morse code. Overall very satisfied, will order from Sunfounder again. I was a little disappointed with the faulty IR remote, although it's the only thing that looks like a cheap build and is easy enough to find and replace.

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