I don't know why this adapter doesn't work, and I'm determined to figure it out.

I figured out why only the nabu.ca software has problems with this USB adapter.

Arduino code: https://gist.github.com/masto/c60b007f8256be1f9e3b11fb1894cfd1

Does your NABU require a very short serial cable to work reliably? What happens if I press my luck? (80s reference)

I make plenty of mistakes (I'm aware of at least two of them in this video), and I'm open to corrections from people who know more about this stuff. But I back up my assertions here with measurements, and references are included below. So just telling me I'm wrong without a citation is not helpful.

At the time of this posting, the slideshow has been running for 4 hours and has not failed yet.

Robert's Smorgasbord RS-422 video series (highly recommended!):

Grounding and Shielding of electric circuits by Eugene Khutoryansky: https://youtu.be/rIhF410L2SU

January 2015

Trying to revive my OP-1 battery.

Mysterious 20 year old hard drive failure.

Inspired by https://github.com/JohannesNE/literature-clock (and the projects that was inspired by), this is an MQTT client for my LED Marquee project. It displays the (mostly) current time using book quotes.

Code is at https://github.com/masto/marquee-lit-clock

I have a bunch of these around the house now. Just grabbed this video quickly to show one of the uses.

I've been kind of busy with stuff and haven't had much time to make more videos, but I have a few things planned.. when I somehow conjure up mo...

My home #lab #workshop tour for 2022.