Technical Documents
EMS-00021-A
(Last updated) Jun 02, 2026
SW-520D Tilt Sensor
Tilt Sensor
Category
Subcategory
EMS - Input: Sensors
Description
The SW-520D Tilt Sensor Module is a simple digital angle detection sensor used to detect tilt, orientation change, vibration, or motion. It works using a metal ball inside a cylindrical switch that moves when the angle changes. When tilted beyond a certain threshold (around ~10°–15° depending on mounting), the internal contacts connect/disconnect and the module outputs a digital HIGH/LOW signal.
It is widely used in security alarms, anti-theft systems, robotics balance detection, and Arduino/ESP32 projects.
Manufacturer Details
| Manufacturer | Part Number |
|---|---|
| Generic Electronics | SW-520D |
| DFRobot | SEN0152 |
| SparkFun | SEN-09306 |
| Keyestudio | KS0048 |
Vendor Suppliers
Application Resources
Technical Specifications
| Product Type | Tilt / Angle Sensor Module |
| Sensor Type | Ball Switch (SW-520D) |
| Output Type | Digital (0 / 1) |
| Operating Voltage | 3.3V – 5V DC |
| Comparator IC | LM393 |
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