Divide and conquer

Welcome to the blog post I wish I had read two days ago.

From now on I will make it a rule to get one peripheral working at a time. Why? Because it turns out if you don’t; they might interfere with each other in a bad way.

This particular one saved us a PCB spin. If I did not get the devkit, this is one of the things I could not foresee. That’s why my new rule is to test one peripheral at the time, then together!

Maybe it is getting a screen working, reading from an SD card or simply getting I2C working. Get them working one at a time, then together. Oh, and did I say I2C is simple? Let me take you on my ~20 hour journey getting it to work in my setup!

Continue reading “Divide and conquer”

Divide and conquer

Devkit has arrived!

Just a short update from me today: I received the devkit from WaveShare (only two days, wow) and it looks good! I like the layout and there’s excellent documentation. Of course the mechanical aspects are all on the cheaper side, but what do you expect for this price? Over all I’m super happy so far and would recommend anyone looking for a devkit, to search their site for something appropriate (not affiliated).

dav

 

Devkit has arrived!