APRS – Update 2, or is it Vol 3?
Normally, I’d just edit the previous post when it’s the same day,. but this has a lot to unpack. I pinged a few fellow nerds who I know are prone…
APRS – Update 1
I’ve been doing a LOT of troubleshooting and trying to figure this thing out. Ordered a new breadboard (old one had some shorted lines), and a bunch of wires. Ordered…
Soundcard Interface: Design For EMI
ok – this should be the final post…. I did one more batch of updates… this time I designed for EMI. Not only did I ensure I had full isolation…
USB Soundcard Interface… update 4
Over the past couple weeks, I have been tinkering more with the soundcard interface. I started using FreePCB (http://www.freepcb.com/) – which is a VERY nice PCB drawing program with gerber…
A new take on the generic programming cable
I previously added (as “comments” to my post on RS-232 to TTL cable) the fact that I had purchased some USB to TTL converters, intending to remove the middle man…