2 layers83.3 × 65.3 mm
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46 parts14kMIT
2 layers58.3 × 102.2 mm
PiRTOII2 cart
aotta/PiRTOIIDuo13New PiRTO multicart for Intellivision with JLP support
- Size
- 58.3 × 102.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 6
- Nets
- 51
- Pads
- 148
- Tracks, vias
- 327, 38
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 27 Dec 2025
- Updated
- 25 Apr 2026
Overview
PiRTOII2 cart is an open-source printed circuit board by aotta, from the aotta/PiRTOIIDuo repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 58.3 × 102.2 mm with 6 parts on 51 nets, routed with 327 tracks and 38 vias.
It is built around the BC547. Its parts include 2 connectors, 1 IC, 1 diode, 1 transistor and 1 switch. It belongs with the RP2040 boards of this library.
Main components
1README
README.mdPiRTOIIDuo
New PiRTO multicart for Intellivision with JLP support, based on Raspberry Pico2
PiRTO II DUO is the new version of my PiRTO multicart DIY yourself based now on a Raspberry Pi Pico2 for using double RAM.
This version support Intellivision bin+cfg games, including the JLP acceleration and savegames features. It works with all games i testes since now, except for "Onion" (it's a big rom and i think it will need next pico3 ;) )
changelog: v.1.00 - initial release
v.1.01 - bugfix in parsing cfg
v.1.02 - added parsing for "jlp_accel" params, improved overclock for "Onion"
v.1.03 - increaded RAMSIZE to 0x4000 from 0x2000, bug fixed for YM-Player
Kicad project and gerbers files for the pcb are in the PCB folder, you need only a diode, a push buttons for resetting the cart if needed or want restart, and the micro SDCard holder. Add you pico2, and flash the firmware ".uf2" in the Pico by connecting it while pressing button on Pico and drop it in the opened windows on PC. Use the SDCard to store "BIN" and "CFG“ files into.
3D files for shell coming soon!
More info on AtariAge forum: https://forums.atariage.com/
Even if the diode should protect your console, DO NOT CONNECT PICO WHILE INSERTED IN A POWERED ON CONSOLE! You can use any schottky diode, i usually put 1n4148
Credits
This upgrade is dedicated to Mariella, with love and gratitude for trusting me and encouraging me to never give up
Parts
6| Qty | Value | Footprint | References |
|---|---|---|---|
| 1 | 1n5819 | Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal | D1 |
| 1 | BC547 | Package_TO_SOT_THT:TO-92L_HandSolder | Q1 |
| 1 | BTN_RESET_PICO | Button_Switch_THT:SW_Tactile_SPST_Angled_PTS645Vx83-2LFS | SW1 |
| 1 | EDGE_CONN | PiRTOII:Intellivision_Edge_Connector | CN1 |
| 1 | Micro_SD_Card | Library:J_SD_Card-micro_socket_A | J3 |
| 1 | PICO | MCU_RaspberryPi_and_Boards:RPi_Pico_SMD_TH | U1 |
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Questions
How big is the PiRTOII2 cart PCB?
It measures 58.3 × 102.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the PiRTOII2 cart use?
6 parts, built around the BC547. 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 PiRTOII2 cart KiCad files?
From the aotta/PiRTOIIDuo repository on GitHub, at the commit this page was made from: the board is Kicad-pico2/PiRTOII2_cart.kicad_pcb and its schematic Kicad-pico2/PiRTOII2_cart.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the PiRTOII2 cart 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).