NeoPixel PSI – Designing the PCBs
Something I've been meaning to do for a while was look at how to do a PCB with SMD layout that is now offered by a few of the cheap…
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September 24, 2021
HO15 Sentry Droid with Autonomy
Well, its been a boring year with no droid outings, tho thanks to doing some live youtube events under the Droid Builders UK banner, we've managed to raise over £14k…
May 6, 2021
Motor Movement!
Well, the connectors didn't turn up on Saturday, but they did turn up today! So after a bit of crimping, and a bit of soldering (and a few mistakes, but…
September 2, 2019
Software mixing
Currently, my PS3 controller code uses the channel mixing built into the Sabertooth speed controller. This means that I send it speed and turn commands, and the speed controller mixes…
August 30, 2019
She Speaks!
Minimal wiring is done now, enough to get everything powered up and r2_control installed. https://www.youtube.com/watch?v=od0Wr0okgwY A quick flash of an SD card, some tweaks to the install instructions, a few…
August 29, 2019
Inside Out
Most people start by building their droid, then doing the electronics. I'm pretty much doing it all in reverse. Here you can see all the electronics for R2. The left…
August 28, 2019
Power Tracking
One of the things I'm quite interested in keeping an eye on (and wish I'd started making notes a lot earlier) is how much battery power I consume at an…
August 8, 2019
r2_control Shopping List
A few people have expressed an interest in my r2_control system, so I thought I'd do a post about how it works, and what it needs. At the core is…
April 16, 2019
R2 PSI using off the shelf parts
Introduction The current state of PSI displays from the club are either simple TeeCees ones, or the VADER boards. I've had a couple of the VADER boards in R2 for…
February 23, 2019
Stealthy control
For a long time I've wanted to make a much more stealthy method of control. When I first started R2, I'd considered using a Wii remote and nunchuck, but I…
September 24, 2018