How to Use Tilt Sensors on the Arduino - Circuit Basics
Amazon.com: IIVVERR Tilt Angle Measurement Switch Sensor Module 3.3-5V DC 3-wire Switch for (Interruptor de medición de ángulo de inclinación Módulo 3.3-5V DC Interruptor de 3 hilos para for : Everything Else
KY-020 Tilt Switch Module - ArduinoModulesInfo
Tilt Sensor Module (Ball Switch) – Voltaat
Amazon.com: Gikfun Metal Ball Tilt Switch Sensor for Arduino (Pack of 10pcs) EK1044 : Electronics