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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 />
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== Summary ==<br />
The Waveshare tilt sensor (part no. 9536 / WSAL9536) is a simple ball switch that closes or opens when the device tilts or vibrates. It provides a TTL digital output and can be wired directly to a microcontroller’s digital input.<br />
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== Related products at JW Tech ==<br />
* [https://shop.jw-tech.eu/p/9536 9536 – Tilt Sensor]<br />
* [https://shop.jw-tech.eu/p/WSAL9536 WSAL9536 – Tilt Sensor]<br />
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== Technical overview ==<br />
* Supply voltage: 3.0 V to 5.5 V; output type: TTL.<br />
* Module dimensions: approximately 19.0 mm × 16.0 mm.<br />
* Operating principle: A ball switch closes on tilt or vibration and reopens once the motion subsides.<br />
* Applications listed in the source: shake detection, guard alarms, smart cars/toys, electric bricks.<br />
* Pinout: VCC to 3.0–5.5 V, GND to ground, DOUT to a digital MCU input.<br />
* The wiki documents example projects for Raspberry Pi Pico (MicroPython, C/C++ via VS Code, Arduino IDE), STM32, and generic Arduino boards.<br />
* For Pico/MicroPython, Thonny is recommended as the IDE; firmware flashing uses the BOOT method with a USB mass-storage interface.<br />
* C/C++ development uses the official Raspberry Pi Pico VS Code extension plus an offline SDK package.<br />
* Sample code is available in the wiki under “Examples” (C, MicroPython).<br />
* Version note: Documented steps refer to specific firmware/extension versions (e.g., Pico2 firmware, VS Code extension v0.15.2); current releases may differ.<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 exact threshold sensitivity and contact gap of the ball switch are not specified in the source.<br />
* Compatibility with MCUs other than Pico/STM32/Arduino must be verified separately.<br />
* Flashing Pico2 firmware may cause the device to become unrecognized; the source recommends using the bundled firmware rather than the standard MicroPython firmware.<br />
* The documented IDE, SDK, and extension versions may be outdated; consult the latest official guides before use.<br />
* Safety notes regarding overvoltage or reverse polarity are absent from the source; verify correct polarity and supply voltage before connection.<br />
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== Source and revision record ==<br />
* [https://www.waveshare.com/wiki/Tilt_Sensor Tilt Sensor - Waveshare Wiki]<br />
* Source revision: 69217<br />
* Captured: 2026-08-29T09:48:27+00:00<br />
* SHA-256: <code>082cebc5cd04af50487f22f9d2e1cfe831eefda6330d70d49ff491ba15f48fb5</code></div>JWTechPublisher