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2 layers116.8 × 63.5 mmSavekey plus test device, the printed circuit board in 3D

Atari 2600/7800 memory card (compatible with Atari 2600/7800 Save Key) tools.

Size
116.8 × 63.5 mm
Copper layers
2
Thickness
1.6 mm
Parts
15
Nets
10
Pads
51
Tracks, vias
83, 48
Routed
Yes
KiCad
KiCad 5 (file 20171130)
Created
10 Nov 2022
Updated
10 Jan 2023

Overview

Savekey plus test device is an open-source printed circuit board by JiggleSoft, from the JiggleSoft/atari-2600-memory-card-tool repository on GitHub. It is a 2-layer board of 116.8 × 63.5 mm with 15 parts on 10 nets, routed with 83 tracks and 48 vias.

It is built around the 24LC256-I/P. Its parts include 3 resistors, 2 capacitors, 2 ICs, 2 connectors and 1 diode. It belongs with the retro computing and games boards of this library.

Main components

1

README

README.md

JiggleSoft's Atari 2600

Memory Card USB Interface - Hardware, Firmware, and Software.

Introduction

This repository contains the design and implementation details of a USB interface and software management tool for Atari 2600/7800 memory cards, namely the SaveKey and SaveKey+.

The aim of this project is to provide the cheapest and simplest complete management solution for Atari 2600/7800 memory cards (SaveKey) devices.

Status

I am currently awaiting delivery of Microchip PIC MCU and Microchip Serial EEPROM integrated circuits, but there is a long lead time. In the meantime work will proceed on soldering a USB Interface Tool development stripboard PCB and a savekey plus test device stripboard PCB. Then software development will continue.

Project Index

LocationDescription
memory-card-tool/hardwareUSB interface's hardware design and implementation: Schematic, PCB, Notes.
memory-card-tool/firmwareUSB interface's firmware source code.
memory-card-tool/softwareMemory Card management tool software for Linux and Windows.
savekey-plus-test-deviceSaveKey+ test device's hardware design and implementation: Schematic, PCB (stripboard), Notes.

Note: that this repository will only be updated with content as specific milestones are reached. The development is in progress and currently housed in a separate private repository.

Hardware

USB Interface Schematic

USB Interface PCB Diagram

USB Interface PCB Front

USB Interface PCB Rear

USB Interface Stripboard Development/DIY PCB Diagram

USB Interface Stripboard Development/DIY PCB Front

USB Interface Stripboard Development/DIY PCB Back

Software

USB Interface Tool Screenshot

SaveKey Plus Test Device

SaveKey Plus Test Device Schematic

SaveKey Plus Test Device Stripboard PCB Diagram

SaveKey Plus Test Device Stripboard PCB Front

SaveKey Plus Test Device Stripboard PCB Back

Licensing

Copyright (C) 2022 Justin Lane All rights reserved.

Note: A more applicable open license will be chosen in the future.

Contact Us

Please email atari2600@jigglesoft.co.uk regarding this repository.

Parts

15
QtyValueFootprintReferences
5Jumper_3_Bridged12Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_VerticalJP1, JP2, JP3, JP4, JP5
20.1uFCapacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mmC1, C2
224LC256Package_DIP:DIP-8_W7.62mm_SocketU1, U2
110KResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_HorizontalR2
110KResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_HorizontalR1
11KResistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_HorizontalR3
1Conn_01x04_FemaleConnector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_VerticalJ2
1Conn_01x04_MaleConnector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_VerticalJ1
1LEDLED_THT:LED_D5.0mmD1

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Questions

How big is the Savekey plus test device PCB?

It measures 116.8 × 63.5 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Savekey plus test device use?

15 parts, built around the 24LC256-I/P. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Savekey plus test device KiCad files?

From the JiggleSoft/atari-2600-memory-card-tool repository on GitHub, at the commit this page was made from: the board is savekey-plus-test-device/hardware/kicad/savekey-plus-test-device/savekey-plus-test-device.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the Savekey plus test device design in my own project?

Its repository states no licence, so its author keeps all rights: ask JiggleSoft before reusing the design.