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RP2350 based GPIO Expansion Card

Framework Computer Expansion Card with RP2350 providing GPIO to Framework computers (OSHWA UID: IT000024)

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RP2350 based GPIO Expansion Card for Framework computer mainboards and any device with TYPE-C port.

Circuit is based on Expansion Card template and RP2350A Minimal board. Expansion Card outline is modified to be more square and TYPE-C footprint is changed house XUNPU TYPEC-950-ARP24 instead of MOLEX to make it easier to do v-cut and produce/assemble. It has 16MB flash memory and crystal clock that can be overclocked up to 250MHz. It has 20 reachable 2.54mm SMD pin pads which makes it easy to solder regular THT maker-friendly headers and cables horrizontally. The design is fully functional. Its tested and it works as intended. Visit GitHub repo for source files. Also there is a 3D case made by XenoCow: Download here.

Circuit is designed by Tan Siret AKINCI. 3D case is designed by XenoCow. Schematics and footprint are licensed with CC BY 4.0. Politecnico di Torino name used in this project is © 2025 Politecnico di Torino. The project is sponsored by © 2025 DeepComputing and © 2025 NextPCB. The project has been certified by OSHWA as Open Source Hardware (UID: IT000024).

  • 1 × RP2350A0A2
  • 1 × XUNPU TYPEC-950-ARP24
  • 4 × Capacitor (CL05A475MP5NRNC)
  • 9 × Capacitor (CL05B104KO5NNNC)
  • 2 × Capacitor (CL05C150JB5NNNC)

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