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'''Documentation notice:''' This technical documentation was independently rewritten from an archived supplier source. Check technical details and commands against the product version and manufacturer documentation before use.<br />
<br />
== Summary ==<br />
The Waveshare RP2040-Plus is a development board based on the Raspberry Pi MCU RP2040, designed as an enhanced version of the Raspberry Pi Pico. It provides 26 multi-functional GPIOs, two SPI, two I2C and two UART interfaces, three 12-bit ADCs, 16 PWM channels, and eight programmable PIO state machines.<br />
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== Related products at JW Tech ==<br />
* [https://shop.jw-tech.eu/p/WSAL20290 WSAL20290 – RP2040-Plus, a Pico-like MCU Board Based on Raspberry Pi MCU RP2040, Plus ver.]<br />
* [https://shop.jw-tech.eu/p/WSAL20808 WSAL20808 – RP2040-Plus, a Pico-like MCU Board Based on Raspberry Pi MCU RP2040, Plus ver.]<br />
* [https://shop.jw-tech.eu/p/WSAL23503 WSAL23503 – RP2040-Plus, a Pico-like MCU Board Based on Raspberry Pi MCU RP2040, Plus ver.]<br />
* [https://shop.jw-tech.eu/p/WSAL23504 WSAL23504 – RP2040-Plus, a Pico-like MCU Board Based on Raspberry Pi MCU RP2040, Plus ver.]<br />
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== Technical overview ==<br />
* Based on the RP2040 microcontroller chip designed by Raspberry Pi, featuring a dual-core Arm Cortex M0+ processor with a flexible clock running up to 133 MHz.<br />
* Built-in 264 KB SRAM and onboard Flash memory available in 4 MB or 16 MB variants.<br />
* The castellated module form factor allows direct soldering onto carrier boards.<br />
* Supports USB 1.1 hosts and slave devices; drag-and-drop programming via USB mass storage is possible.<br />
* Includes multiple hardware peripherals: 2× SPI, 2× I2C, 2× UART, 3× 12-bit ADCs, 16 PWM channels, an on-chip temperature sensor, and 8× PIO state machines for custom peripheral support.<br />
* Compatible with most Raspberry Pi Pico modules while adding or enhancing features.<br />
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'''Commands and examples – verify before use:''' <br />
<syntaxhighlight lang="text"><br />
set(PICO_BOARD pico CACHE STRING "Board type")<br />
</syntaxhighlight><br />
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== Notes and version constraints ==<br />
* The path settings mentioned in the wiki (CMake, Git, Ninja, Python) refer to a Windows environment and are version-sensitive; paths must be adapted to the local system before use.<br />
* Flashing MicroPython firmware on RP2040 boards may differ from the Pico: press and hold both BOOT and RESET buttons, release RESET first then BOOT so that a removable disk appears.<br />
* The official MicroPython firmware was originally limited to 2 MB of memory; the corresponding 4M or 16M firmware must be used for those variants.<br />
* The VSCode extension requires at least VS Code v1.87.0; older installations need updating.<br />
* When doing C/C++ development, the CMake file must not contain Chinese characters, otherwise project import may fail.<br />
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== Source and revision record ==<br />
* [https://www.waveshare.com/wiki/RP2040-Plus RP2040-Plus - Waveshare Wiki]<br />
* Source revision: 110392<br />
* Captured: 2026-09-02T03:40:31+00:00<br />
* SHA-256: <code>800dfb248778e42e2bbc872c60ad74da3563d1593a17b5e5628fe5a3e5df1504</code></div>JWTechPublisher