LLavigne Labs

Lab Notes

What we tinker with when nobody's paying us.

The side projects and experiments behind the work. Half of what we know about making things well, we learned messing around on the bench with no deadline and no client.

Making a PCB that's also art

June 10, 2026

Making a PCB that's also art

Spent the weekend pushing soldermask and copper around purely for looks. There's something satisfying about a board that's fully functional and would also look good on a wall. Half the tricks we use for client work came out of experiments exactly like this.

Bringing up a parallel 8080 LCD from scratch

May 22, 2026

Bringing up a parallel 8080 LCD from scratch

No library, no example code that matched our part — just the datasheet and a logic analyzer. Bus timing on these old parallel interfaces is fiddly, but there's a real joy in the moment the first pixels finally light up the way you intended.

Why we still build conference badges

April 30, 2026

Why we still build conference badges

Badges are the perfect excuse to try a manufacturing idea at small scale with zero stakes. New assembly process, a weird connector, a tight panelization — if it works on a badge run, we'll trust it on a client's product.

A keyboard is a great systems project

April 8, 2026

A keyboard is a great systems project

Mechanical design, a switch matrix, firmware, an enclosure that has to feel right in the hand — a custom keyboard touches every discipline we use day to day. Great way to stay sharp between bigger projects.