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Numato Lab’s  4-Channel USB Reed Relay Module offers a streamlined and effective solution for remotely managing electrical and electronic devices via USB from either a PC or mobile device.

Engineered for user convenience and broad compatibility across operating systems, this module integrates a USB to serial converter, eliminating the need for specialized USB expertise.

Users can easily operate the module through standard terminal emulation software, such as HyperTerminal and PuTTY, using straightforward, human-readable commands.

For advanced applications, custom control programs can be developed in various programming languages, providing flexibility for developers and engineers.

This module features four high-quality reed relays, offering key benefits such as compact size, rapid switching, which ensure enhanced reliability and longevity.

The reed relays are ideal for switching low-power signals in a variety of applications, including automated testing, remote control, and data acquisition systems.

Powered directly from the USB port, the module is both user-friendly and energy-efficient, making it a versatile and reliable choice for a wide range of applications.

Features

• 4 Reed Relays: Supports contact ratings up to 200V, 0.5A DC / 140V, 0.35A AC
• 8 TTL-Compatible GPIOs: 5V logic level, suitable for interfacing with various digital devices.
• 6 Analog Input Channels: Multiplexed with GPIOs, providing versatile input options.
• 10-Bit Analog Input Resolution: Offers precise analog-to-digital conversion for accurate measurements.
• USB Interface with CDC Support: Operates like a standard serial port, requiring no specialized USB knowledge.
• Accessible Relay Contacts: Relay contacts are available via convenient screw terminals for easy integration.
• USB-Powered Digital Circuitry: The module’s digital circuitry is powered directly from the USB connection, simplifying power management.
• Versatile Control Options: Can be controlled using standard serial console applications or through custom applications, with no need for vendor-specific libraries or APIs.

Applications

• Home Automation: Reed relays can control low-power devices such as lights, alarms, or small appliances, making them suitable for home automation systems.
• Industrial Automation: While reed relays can handle certain automation tasks, such as signal switching or controlling small loads, they might not be ideal for high-power industrial applications due to their limited current capacity.
• Lighting Control: Reed relays can efficiently switch lighting circuits, especially in low-power or LED lighting systems.
• Garden Equipment Control: They can control low-power garden equipment like irrigation systems or garden lighting, but may not be suitable for higher-powered equipment like large pumps.
• Test Fixtures: Reed relays are commonly used in test fixtures for signal switching, due to their fast response and reliability.
• DIY and Hobby: Ideal for DIY projects and hobbies, reed relays are easy to use for controlling small circuits and devices.

Supporting Operating Systems

• Windows XP and later
• Windows 7 Embedded and later
• Linux
• Mac OS X
• Android
• or any other operating system that supports USB CDC devices.

Languages that can be used for programming

• C/C++
• Visual Basic (VB6, VB2008, VB2010 express and other editions)
• Visual Basic for Applications (Microsoft Office VBA)
• Perl
• Python
• JAVA
• Android
• Javascript(Node.js)
• And many more…