SW520D-Tilt-Sensor-Module

This module can detect a specific tilt of the module itself. The golden component is a ball switch. The balls in the module ensure contact at a certain angle.The sensitivity can practically not  be adjusted with the potentiometer. The ball switch usually makes contact (not half) However, a limit value must be set with the potentiometer so that the module works correctly. This module is particularly intended for easy use of a reed relay with direct output.

Technical Details:

1. Model: SW-520D
2. Max Current : 20mA
3. Max voltage : 12V
4. Conductive time : 2ms
5. Closed resistance :< 10M ohm
6. Open resistance : > 10M ohm
7. Material: Metal, PVC
8. SW-520D is roll ball type tilt switch

Pin Description:

• VCC: 3-5V DC
• GND: min/ground/gnd
• DO: digital output

Features:

1. The use of highly sensitive angle switch SW-520D as a sensor
2. The comparator output signal clean, good waveform, driving ability, than 15mA
3. The working voltage 5V
4. The output format: Digital switching output (0 and 1)
5. A fixed bolt hole for easy installation
6. Small PCB board size: 3.2cm x 1.4cm
7. Using a wide voltage comparator LM393

Recent technological advancements in the manufacturing of tilt sensors have improved accuracy, reduced cost, and increased lifetime. The type SW-520D is a commonly available roller-ball type tilt sensor consists of two conductive elements (poles) and a conductive free mass (rolling ball), encapsulated in the same case. When the tilt sensor is oriented so that that end is downwards, the mass rolls onto the poles and shorts them, acting as a switch stroke. Microcontroller-compatible tilt sensor modules based on SW-520D are also available at affordable costs.

Electronics circuitry behind this tiny module is usually centered around the dual- comparator chip LM393. The module features a tilt sensor, a signal amplifier, a standard 4-pin header, a power indicator that signals that the module is correctly powered, and a status indicator that lights up when a tilt is detected by the tilt sensor.