This 41-button Arduino keyboard PCB is a stepping stone to his next project, a pair of two-way texting machines. (Which is nice, because we were totally going to suggest that).

Welcome to Mr Sagoo's channel, your destination for hands-on creativity! Discover how to bring your ideas to life with ...

Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as ...

Once you learn what the Arduino can do and your skills improve, you'll find many uses for one. At the very least, it can become a fun hobby for side projects.