Reed Switch

MAGNETIC DETECTION PRINCIPLE: Detects the presence of a magnetic field using a reed switch that closes the internal contacts when a magnet is brought near, enabling reliable contactless ON/OFF switching.
OPERATING VOLTAGE: Functions efficiently with a 3.3V to 5V DC power supply, making it compatible with common microcontrollers and embedded systems.
COMPARATOR CIRCUIT: Integrated with an LM393 comparator IC that converts the reed switch signal into a stable digital output for easy interfacing.
INTERFACE DESIGN: Features a 3-pin configuration (VCC, GND, DO) allowing simple connection with Arduino, ESP32, Raspberry Pi, and other development boards.
OUTPUT SIGNAL: Provides a digital switching output (0 or 1) depending on the presence or absence of a magnetic field.
INDICATOR LEDs: Includes power and signal indicator LEDs that visually show module status and magnetic detection activity.
SIGNAL PERFORMANCE: Designed with clean waveform output and capable of driving signals greater than 15 mA, ensuring stable performance in digital circuits.
MODULE DIMENSIONS: Compact PCB measuring approximately 3.2 cm × 1.4 cm, making it suitable for small electronic and embedded applications.
APPLICATION SCOPE: Commonly used in door and window security sensors, washing machines, refrigerators, photocopiers, electromagnetic relays, electronic weighing systems, level meters, gas meters, and water meters.