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rp2350a-weact

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Firmware development for the WeAct Studio RP2350A Core Board (RP2350A — dual Cortex-M33 @ 150 MHz, 520 KB SRAM, 4 MB or 16 MB QSPI flash) in both of its revisions, RP2350A_V10 and RP2350A_V20 — the 40-pin Pico-2-shaped header, 3-or-4-channel 12-bit ADC, PWM, PIO, USB-C CDC, the V1.0 LDO vs V2.0 buck-boost power wiring, and the PlatformIO + arduino-pico (earlephilhower) setup around them. Use when working on this board, a WeAct RP2350 core board of unknown revision, or any Raspberry Pi Pico 2 / RP2350A clone: project setup, platformio.ini, board = rpipico2 vs weact_rp2350b, telling V1.0 and V2.0 apart, pin mapping, LED and KEY pins, powering it from a battery, 4 MB vs 16 MB flash, erratum RP2350-E9 pull-down trouble, BOOT/RESET UF2 flashing, or debugging why something on the board does not work.

skills/rp2/rp2350a-weact/SKILL.md

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Nov 11, 2026

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27
Repository last updated
Oct 30, 2026
License
MIT

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# WeAct Studio RP2350A Core Board (RP2350A)

A Pico-2-shaped RP2350A core board that ships in **two incompatible
revisions under one name**. V2.0 is a pin-for-pin Pico 2 replacement; V1.0
brings out every GPIO instead, and pays for it by moving the power pin, the
ADC reference and three GPIO functions. Firmware built for the wrong one
compiles cleanly and then drives the wrong pins — so establish the revision
before writing any code, and read the reference files rather than assuming
Pico 2 behaviour.

- `reference/board-hardware.md` — the complete board reference: how to tell
  the revisions apart, the 40-pin map for both, the off-header GPIO, power
  trees, clocks, memory map, vendor-material inventory **plus** a development
  guide (Part II: §8 toolchain, §10 peripheral cookbook, §11 RP2350 gotchas
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