We made a beautiful complete open-hardware computer, including keyboard and injection-moulded case
summary
A complete open‑hardware MEGA65 is produced: a custom motherboard (Xilinx 200T plus Max10 and Lattice), a full mechanical keyboard with double-shot top and front printed key caps, and an injection-moulded case paid for with roughly €60–70k tooling; 25 developer kits ship in acrylic while tooling completes. HDMI proves finicky with a vendor chip so video is implemented and validated HDMI-compatible via pure FPGA using a protocol analyzer; internal 3.5" PC floppy drives are sourced and the keyboard polls at ~50 kHz, and the system works.
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chapters (5)
- 0:00Start
- 6:44First Iteration: Off-the-shelf FPGA board
- 10:07Second Iteration: Custom PCB, real C65 keyboard
- 12:43R2 PCB: Adding the missing parts
- 18:15HDMI Compatibility Dramas (Solved!)
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