
Plusd
alvaroalea/plusD-clone
Schematic of a clone of the Disk Interface +D for the ZX Spectrum
Boards in 19 GitHub repositories, designed in KiCad, that use the 74LS126PC by Texas Instruments (0℃~+70℃ 1 130mA 24mA 4 4.75V~5.25V 5.2mA 74LS Output enable、Short-Circuit Protection Tri-State Unidirectional DIP-14 Buffers, Drivers, Receivers, Transceivers ROHS). See how each wires it, with its parts, size, README and files; the 74LS126PC’s symbol, footprint and pinout are on its own page.

alvaroalea/plusD-clone
Schematic of a clone of the Disk Interface +D for the ZX Spectrum





ytmytm/plus4-burstcart
Burst (fast serial) capable cartridge for Commodore C16/116/Plus4

zxinfo-diy-electronics/zx-talkman
DIY Speech Interface for ZX Spectrum & ZX81 published in Ny Elektronik 1984 issue 10 page 36

OpenElectronicsLab/level-shifter
a 5V to 3.3V level shifter with a single-sided PCB design simple enough that it can be etched at home



Muriukidavid/tinyk20
KIcad open hardware design for a tiny NXP Kinetis k20 based debugger and data logger board





alvaroalea/plusD-clone
Schematic of a clone of the Disk Interface +D for the ZX Spectrum

alvaroalea/plusD-clone
Schematic of a clone of the Disk Interface +D for the ZX Spectrum

alvaroalea/plusD-clone
Schematic of a clone of the Disk Interface +D for the ZX Spectrum


Muriukidavid/KiCAD-boards
My KiCAD designs of circuits am making over time. They are not all final versions, some are work in progress

oberrow/i8088-computer
Code for an i8088-based non-PC compatible breadboard computer



Spadeyache/FATEN-RCJ26
Key features we have. PostTrainingQuantization(PTQ) with results simulated on the K230D chip, half-duplex serial driver with 74HCT126, asymmetric PID dependent on the IMU, custom touch sensors, and an IR camera used on…