Solved
Federica BossiBest answer
ST Technical Moderator
Oct 28, 2025 2:39 PM UTC
Hi
The mechanical action of the spring-loaded button generates vibrations or mechanical shocks that propagate through the PCB substrate. Try to increase the physical distance between the sensor and the mechanical button if possible.
You could also use damping materials between the button and the PCB to reduce vibration transmission or consider mounting the sensor on a separate small PCB or isolated platform to minimize mechanical coupling.
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