thumbnail
Turning a Tiny RP2350 Display into a PC Monitor

I recently went on a bit of a shopping spree and ended up with a pile of new hardware to play with. Somewhere in that pile was ...

thumbnail
Turning an RP2350 into a Security Key

I recently came across a project called PicoKeys, and I thought it was a pretty cool use of these tiny develop...

thumbnail
Printing with a 1 mm Nozzle

I wanted to try printing with a 1 mm nozzle, so I needed something fairly simple to test it with. I ended up g...

thumbnail
Tuning a PCB Antenna in the Loop, From KiCad to a 3D-Printed Radiation Pattern

I’ve been closing the loop between KiCad and openEMS for antenna tuning, no manual coordinate transcription, no guesswork...

thumbnail
The BGA Evacuation Plan- How to Estimate PCB Layers Using the Stadium Method

If you have ever stared at a newly selected high-pin-count Ball Grid Array (BGA) and found yourself guessing how many layers yo...

thumbnail
From Envelope Writer to A3 Drawbot- Modding a Small Drawing Robot

The Find I found a great deal on a small drawing bot, likely intended for writing addresses on envelopes...

thumbnail
GPIO Hacker Board Timelapse on Core One

Overview The GPIO Hacker Board is an I2C GPIO expander designed for the Prusa Core One. It allows extern...

thumbnail
Core One Assembly, Add-ons, and Initial Prints

After being around 3D printers for almost a decade, I finally purchased my first personal machine: the Prusa Core One k...

thumbnail
Looking for space saver high speed connectors

Mini cool Edge (MCIO) connectors are the answer. It’s one of those things that packs a big punch in a small package. Rea...

thumbnail
What is FCC part 15-B? And why should you care?

In the US, FCC regulates use of communications by wired and wireless. There are three sections of FCC rules that are app...