4 layers97.6 × 74.8 mm
Project byte hamr
robertrico/project_byte_hamr
Open source expansion platform for Apple IIe prototyping and development
93 parts2
Open-source KiCad boards
8 match “robertrico”Printed circuit boards designed in KiCad and published on GitHub, each with its parts, layers and size, its README and its files; open any of them in PCBKit.
- 2 layers58 × 104 mm
AT89S52
robertrico/hardware
Personal embedded systems portfolio — circuits, firmware, and physical builds. Each project showcases a hardware concept, toolchain, or interface.
21 parts1 - 2 layers100 × 110 mm
A2m2053
robertrico/a2m2053_controller
A replacement controller board for the Apple UniDisk 3.5 (A2M2053).
46 parts - 4 layers298.9 × 270 mm
Dino v0 0 2
robertrico/dino-homebrew
A perfboard with the bus edge and the slot decode every DINO card repeats. Plug it into any of J1-J8 on the Rev 1.0 mainboard, pick the slot with one shunt, bodge the card on the grid.
239 parts - 4 layers109.5 × 74.8 mm
Byte ravn
robertrico/project_byte_hamr
Open source expansion platform for Apple IIe prototyping and development
36 parts2 - 2 layers17 × 32.1 mm
Bidirectional level shifters
robertrico/hardware
Personal embedded systems portfolio — circuits, firmware, and physical builds. Each project showcases a hardware concept, toolchain, or interface.
6 parts1 - 2 layers191.8 × 77.8 mm
Dino proto
robertrico/dino-homebrew
A perfboard with the bus edge and the slot decode every DINO card repeats. Plug it into any of J1-J8 on the Rev 1.0 mainboard, pick the slot with one shunt, bodge the card on the grid.
23 parts - 2 layers
Dino serial
robertrico/dino-homebrew
A perfboard with the bus edge and the slot decode every DINO card repeats. Plug it into any of J1-J8 on the Rev 1.0 mainboard, pick the slot with one shunt, bodge the card on the grid.
8 parts