KY-021 Mini Dry Reed Relay Pipe Module

KY-021 Mini Dry Reed Relay Pipe Module Description

The KY-021 Mini Dry Reed Relay Pipe Module is a smaller version of the KY-025 module, featuring a reed switch and relay in a compact form. This module is ideal for applications where space is limited, but magnetic detection is still required. It provides a simple way to detect magnetic presence or absence and is commonly used in door/window sensing applications or in security systems. The KY-021 works with microcontrollers like Arduino for easy integration into various DIY projects.

KY-021 Mini Dry Reed Relay Pipe Module Features

• Miniature Design: Smaller form factor for use in space-constrained applications.
• Magnetic Detection: Detects the presence of a magnetic field, triggering the relay.
• Relay Output: Provides a relay output that can be used to control other devices in response to magnetic field detection.
• Easy Integration: Simple to integrate with microcontrollers like Arduino and Raspberry Pi for automation and detection systems.

KY-021 Mini Dry Reed Relay Pipe Module Specifications

• Sensor Type: Reed switch
• Output: Relay output
• Voltage: Typically 5V
• Applications: Magnetic sensing, security systems, DIY electronics, automation projects.

KY-021 Mini Dry Reed Relay Pipe Module Applications

• Security Systems: Ideal for small-scale door/window magnetic detection systems in alarm or notification setups.
• Compact Systems: Perfect for integration into small, portable devices where space is limited.
• DIY Projects: A great choice for hobbyists looking for magnetic sensors in their electronics projects.