Discrete 8-bit CPU
A working computer built gate-by-gate from 74LS chips: bus architecture, microcoded control, and sixteen whole bytes of RAM.
74LS logic / EEPROM / Assembly / KiCad
Built, broken, rebuilt, and written up. The write-ups include the mistakes — that's usually the useful part.
A working computer built gate-by-gate from 74LS chips: bus architecture, microcoded control, and sixteen whole bytes of RAM.
74LS logic / EEPROM / Assembly / KiCad
A thrifted Epson TM-T88 turned network appliance: an ESP32 web server feeds it ESC/POS, so anything on the Wi-Fi can print a note.
ESP32 / C++ / PlatformIO / ESC/POS
A parametric flash-to-softlight cone, printed in white PLA and tuned over nine revisions until the falloff earned a place in the bag.
Fusion 360 / 3D printing / Photography