2 layers57 × 39 mm
Speech
dimitrit/pal1gadgets
A range of gadgets that can be plugged in to the PAL-1 RIOT Expansion Module to provide specific functionality.
20 parts2GPL-3.0
2 layers28 × 38.5 mm
Pal1gadgets
dimitrit/pal1gadgets2A range of gadgets that can be plugged in to the PAL-1 RIOT Expansion Module to provide specific functionality.
- Size
- 28 × 38.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 4
- Nets
- 25
- Pads
- 41
- Tracks, vias
- 57, 0
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 10 Mar 2024
- Updated
- 25 Oct 2025
Overview
Pal1gadgets is an open-source printed circuit board by dimitrit, from the dimitrit/pal1gadgets repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 28 × 38.5 mm with 4 parts on 25 nets, routed with 57 tracks and 0 vias.
It belongs with the retro computing and games boards of this library.
README
README.mdPAL1-GADGETS: A range of Gadgets for the PAL-1
The PAL-1 RIOT Expansion Module adds two bidirectional 8-bit digital input/output ports and a programmable interval timer to the PAL-1 system by means of a MOS6532 RAM-I/O-Timer (RIOT) IC.1
This repository includes a number of `gadgets' that can be plugged in to the RIOT Expansion Module to provide specific functionality, including:
Refer to the relevant directories for details on each gadget.
Gadgets are plugged in to the PAL-1 RIOT Expansion Module using a RIOT adapter.
Example code
Code examples are provided for most gadgets. These code examples use vasm6502_oldstyle syntax2 and can be built using make.3
Acknowledgements
PAL-1 and the PAL-1 logo used with kind permission by Liu Ganning.
Footnotes
-
Ganning, Liu, ‘RIOT EXPANSION’, 2021 http://pal.aibs.ws/assets/RIOT_expansion_manual.pdf [accessed 26 January 2024]. ↩
-
Barthelmann, Volker and Wille, Frank, `vasm assembler system' (2024), http://sun.hasenbraten.de/vasm/daily/vasm.tar.gz [accessed 27 March 2024]. ↩
-
Free Software Foundation, `Make - GNU Project', <https://www.gnu.org/ software/make/> [accessed 27 March 2024]. ↩
Parts
4| Qty | Value | Footprint | References |
|---|---|---|---|
| 1 | Conn_RIOT | Connector_PinSocket_2.54mm:PinSocket_2x09_P2.54mm_Horizontal | J1 |
| 1 | Conn_ft | Connector_IDC:IDC-Header_2x10_P2.54mm_Horizontal | J2 |
| 1 | Input_Select | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | JP1 |
| 1 | LOGO | LOGO | G*** |
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Questions
How big is the Pal1gadgets PCB?
It measures 28 × 38.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Pal1gadgets use?
4 parts. 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 Pal1gadgets KiCad files?
From the dimitrit/pal1gadgets repository on GitHub, at the commit this page was made from: the board is ft/kicad/ft.kicad_pcb and its schematic adapter/kicad/adapter.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Pal1gadgets design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).