Collaborate Disseminate
Earlier this year [Skyhawkson] got ahold of a Apollo-era printed circuit board which he believes was used in a NASA test stand. He took high quality photos of both sides …read more Continue reading Apollo-era PCB Reverse Engineering to KiCad
Last week I completed the SAO flower badge redrawing task, making a complete KiCad project. Most of the SAO petals are already released as KiCad projects, except for the Petal …read more Continue reading Supercon 2024 SAO Petal KiCad Redrawing Project
Out of curiosity, I redrew the Supercon Vectorscope badge schematics in KiCad last year. As you might suspect, going from PCB to schematic is opposite to the normal design flow …read more Continue reading Supercon 2024 Flower SAO Badge Redrawing in KiCad
I recently got one of the new RP2040-based Bus Pirate 5 (BP5), a multi-purpose interface debugging and testing tool. Scanning the various such tools in my toolbox already: an Analog …read more Continue reading Experimenting with MicroPython on the Bus Pirate 5
[Hunter Adams] has written a secondary bootloader for the RP2040 that uses an IR link and can be extended to behave like a polite worm virus. This allows the easy …read more Continue reading RP2040 Boot Loader is a Worm
As I walked into the huge high bay that was to be my part-time office for the next couple of years, I was greeted by all manner of abandoned equipment …read more Continue reading Arctic Adventures with a Data General Nova II — The Equipment
The team of [Michael] and [Chimdi] from Cornell’s Designing with Microcontrollers (ECE 4760) Fall 2023 session designed a version of Simon Says on an RP2040 which they call Pico Says. …read more Continue reading Simon Says with an RP2040
When I saw this year’s Supercon Vectorscope badge, I decided that I had to build one for myself. Since I couldn’t attend in-person, I immediately got the PCBs and parts …read more Continue reading Vectorscope KiCad Redrawing Project
If you like Nixie tubes and/or DIY calculators, checkout this interesting talk from the HP Handheld Conference in Orlando last month by [Eric Smith] from Brouhaha and [John Doran] from Time Fracture. …read more Continue reading Nixie Tube RPN Calculator Project
If you’ve scavenged some random keypads and want to reuse them in a project without the hassle of figuring out the pinouts, then [Cliff Biffle] has an interface module for …read more Continue reading Keypad Interface Module Reverse Engineers Pinouts So You Don’t Have To