TransSys Internetworking

Large scale Internet infrastructure architecture and IP consulting — and the workshop where the projects get built.

Fluke 8050A TFT Display

4½-digit LCD → 320×240 color TFT, driven by an STM32 tapping the display bus.

newRPL Keypad Overlays

Printed overlay keypads for HP calculators, seven versions deep.

genmon Thermocouple Board

Raspberry Pi HAT for generator monitoring, from schematic to reflow oven.

PiDP-11/73 Replica

A working scale-model PDP-11. Blinkenlights FTW.

Also here: occasional blog notes and about me.