Programming ESC with Arduino

The story: I hit a break wall with ODrive. ODrive is an open source brushless DC motor (BLDC) driver built with robotics in mind (my application..). I don’t have faith in the project and after months of trying to make it fit my application I’m abandoning it. It’s painful to spend that kind of money…

ESP32 Boot Camp

… for me. I got a rando e-mail offering me “free parts” and I usually don’t even bother opening the e-mail. It’s ALWAYS garbage right? Well, maybe I hadn’t slept well the night before but I opened it. (psss. You can scroll down about a page before I actually get anywhere in this post…) What…

MODbus/RTU on a PIC Microcontroller

By request one of my long lost blogs was a MODbus RTU application for a PIC 18F27J53. You could easily plop this onto many of the 18F series micros. It doesn’t do much but it’s a great stepping stone for throwing in your own IO. I’ll probably follow up with an Arduino version in a…

Why you shouldn’t open a makerspace.

Five years ago I had an itch to talk to other people; so overrated. The End. OK, fine.. I originally was thinking of some electronics club but after talking with a few people and refining my ideas through research, it was clear this idea fit best as a makerspace. I bought a meetup.com subscription. For…

WWVB signal generated from GPS

I sat at the bench this morning waiting for the inspiration to continue on with a project I’m working on with Francesco; I gave in to procrastination. I wrote some assembler code to generate WWVB signal from a PIC a few months ago, remember? That stirred some interest from overseas folks looking for a way for…

GPS on the PIC 18F26K22

I was asked to create a box that notified by LED if you were too far off a N/S or E/W course. I failed, I doubted the specified GPS accuracy/drift as my Garmin seems to stay pretty steady.. perhaps that’s some integration in the processing? I started with one of the 18F26K22 TAUTIC development boards…

First Hexacopter Flight

Wow, an action packaged summer so far… no much bench-time unfortunately but work has let off and I’m working sub-50 hour weeks again thankfully.  I did get to spend some time this weekend on the bench but really not much. I worked on an article for 0xEE.net and a little fixing for the wife. I…

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