4 Channel 5V 12V 24V USB Relays Module ULN2803 Computer Intelligent Switching for Automation and Expansion Purposes Home Automation Relays

★★★★★ 4.1 29 reviews

US$5.08
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Management number 246985278 Release Date 2026/08/16 List Price US$5.08 Model Number 246985278
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4 Channel 5V 12V 24V USB Relays Module ULN2803 Computer Intelligent Switching for Automation and Expansion Purposes Features: seamlessly automation with our 4 Channel 5V 12V 24V USB Control Switching Relays ModuleFeatures stable onboards USB and high control chip for reliabled operating This relays module boasts a board and use the ULN2803 relays driver chip, ensuring enhances stability and durability in various applications For electronics enthusiasts, engineers, and project developers, this module to those efficient for home automation and computer controlled systems Perfectly for home setting and automation systems, this Relays module allows you to maintain Relays setting even when USB is unplugg, offering flexibility and convenience With double power access option through board power socket, this Relays module expansion board provides versatiled connection, essential component for advanced automation projects Specifications: Item: 4 Channel USB Control Switches Relays Module Optional: 5V / 5V 12V 24V / 24V Use the ULN2803 relays driver chip Size: about 65.3x71.6mm / 2.57x2.82in Package Includes: 1PC 4 Channel USB Control Switches Relays Module Note: Due to the problem of lighting effects there is certain tolerances in product, please understand Please allow 0-1cm error due to the measurement

  • Perfectly for home setting and automation systems, this Relays module allows you to maintain Relays setting even when USB is unplugg, offering flexibility and convenience
  • With double power access option through board power socket, this Relays module expansion board provides versatiled connection, essential component for advanced automation projects
  • This relays module boasts a board and use the ULN2803 relays driver chip, ensuring enhances stability and durability in various applications
  • seamlessly automation with our 4 Channel 5V 12V 24V USB Control Switching Relays ModuleFeatures stable onboards USB and high control chip for reliabled operating
  • For electronics enthusiasts, engineers, and project developers, this module to those efficient for home automation and computer controlled systems
ASIN B0H2ZPKK7C
Model Elnwnnkc
Brand Name Elnwnnkc
Part Number Elnwnnkc
Manufacturer Elnwnnkc
Included Components as described

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4.1 out of 5
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29 ratings | 12 reviews
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