2 layers76.6 × 57.4 mm
Divtiesus acer
arleybls/divtiesus-acer
Custom 2-layer PCB re-layout of DivTIESUS — a DivMMC SD card interface for the ZX Spectrum, with the upstream CPLD firmware unchanged.
42 parts3
Boards by arleybls
4 boardsOpen-source boards designed in KiCad by arleybls on GitHub, from 3 repositories. A board’s address here is its repository’s there.
- 2 layers66 × 59 mm
MicroPicoDrive
arleybls/micropicodrive-ng-hardware
KiCad hardware design for an internal Microdrive replacement for the Sinclair QL. The device emulates a Microdrive cartridge drive using a Raspberry Pi Pico (RP2040) and stores data on a microSD card, fitting in the…
21 parts2MIT - 2 layers97.8 × 35.6 mm
Ql flex
arleybls/ql-flex-memory
512kB external RAM expansion board for the Sinclair QL, with SuperBASIC/68008 RAM test software (KiCad, CERN-OHL-S v2)
16 parts1CERN-OHL-S-2.0 - 2 layers40.2 × 44.8 mm
MicroPicoDriveCartridge
arleybls/micropicodrive-ng-hardware
KiCad hardware design for an internal Microdrive replacement for the Sinclair QL. The device emulates a Microdrive cartridge drive using a Raspberry Pi Pico (RP2040) and stores data on a microSD card, fitting in the…
9 parts2MIT