The KY-021 Mini Magnetic Reed Switch Module is a digital sensor designed to detect the presence of a magnetic field. It contains a reed switch that is normally open and closes when exposed to a magnetic field, allowing the module to output a digital signal. This module is ideal for proximity sensing applications and is compatible with microcontroller platforms such as Arduino, Raspberry Pi, and ESP32.
KY-021 Mini Magnetic Reed Switch
$999.00Price
Key Features:
- Magnetic Detection: The reed switch closes when exposed to a magnetic field, triggering a digital output.
- Simple Interface: Provides a digital HIGH or LOW signal based on the presence of a magnetic field.
- Low Power Consumption: Operates efficiently with minimal power requirements.
- Compact Design: Small form factor makes it easy to integrate into various projects.
Specifications:
- Operating Voltage: 3.3V to 5V
- Output Type: Digital (HIGH/LOW)
- Resistance: Built-in 10kΩ resistor
- Board Dimensions: 19mm x 18.5mm x 9mm
- Pinout:
- VCC: Power Supply
- GND: Ground
- S (Signal): Digital output
Applications:
- Proximity Sensors: Detects the opening or closing of doors and windows in security systems.
- Position Sensing: Used in mechanical systems to detect the position of moving parts.
- Home Automation: Commonly implemented in smart home systems to track door or window status.
- DIY Electronics: Ideal for hobbyist projects involving magnetic detection and automation.
The KY-021 Mini Magnetic Reed Switch Module is a reliable and straightforward component for detecting magnetic fields. Its small size and ease of use make it an excellent choice for both beginner and advanced electronics projects.