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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 />
Concise technical overview of the RP2040-Zero mini development board, its specifications and setup.<br />
<br />
== Related products at JW Tech ==<br />
* [https://shop.jw-tech.eu/p/WSAL20187 WSAL20187 – RP2040-Zero, a Pico-like MCU Board Based on Raspberry Pi MCU RP2040, Mini ver.]<br />
* [https://shop.jw-tech.eu/p/WSAL20335 WSAL20335 – RP2040-Zero, a Pico-like MCU Board Based on Raspberry Pi MCU RP2040, Mini ver.]<br />
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== Technical overview ==<br />
* The board uses the RP2040A microcontroller developed by Raspberry Pi, featuring dual Cortex-M0+ cores running up to 133 MHz.<br />
* It includes 264 KB of SRAM and 2 MB of flash memory, plus an on-chip temperature sensor.<br />
* Interfaces include a USB Type-C port, two SPI, two I2C, and two UART channels, four 12-bit ADCs, and 16 PWM channels.<br />
* All unoccupied pins are led out in a compact form factor; 20 pins are accessible via headers, the rest only by soldering.<br />
* Castellated edge processing allows the module to be soldered directly onto carrier boards.<br />
* The device supports USB 1.1 host and device modes as well as drag-and-drop programming over mass storage.<br />
* For MicroPython, Thonny IDE is recommended, with firmware flashed by holding BOOT while connecting to create a removable USB drive.<br />
* For C/C++, the Pico VSCode extension is used; the SDK package must be copied to C:\Users\username\.pico-sdk.<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 />
* No power management is present: when using battery power, add a diode to prevent backflow; overcharging or over-discharging can cause damage.<br />
* Only 5 V or 3.3 V can be connected directly; other voltage sources require additional circuitry.<br />
* When manually updating firmware, hold BOOT and RESET simultaneously, releasing RESET first.<br />
* The exact minimum sleep current (about 2 mA) should be verified with the manufacturer for your specific project.<br />
* Missing context about certain versions or updates may affect the steps; please seek human confirmation.<br />
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== Source and revision record ==<br />
* [https://www.waveshare.com/wiki/RP2040-Zero RP2040-Zero - Waveshare Wiki]<br />
* Source revision: 111008<br />
* Captured: 2026-09-02T03:31:54+00:00<br />
* SHA-256: <code>a1cde8687b83d47a628db439b4e036351ec4c1ac2181ffacd122f805cb204a0e</code></div>JWTechPublisher