USB Relay Module, 3 Channel 5V USB Controller with GD32F103C8T6 Chip, TTL Serial Interface, LED Indicators, ABS Housing for PC Automation Projects

Product Description:the 5v usb relay module features three independent channels with optocoupler isolation and ttl serial control, designed for seamless computer automation. built with a gd32f103c8t6 chip, led indicators, and multiple interface options, this usb controller provides stable switching for smart home and industrial applications.Specifications:Item Type: USB RelayMaterial: ABSPower Supply Mode: Type C Interface or Pin HeaderControl Interface: Type C Interface (USB) or Pin Header (UART)Communication Protocol: USB CDC Class Virtual Serial Port Protocol or UART ProtocolControl Chip: GD32F103C8T6USB Rate: USB 2.0 Full Speed (12Mbps)UART Baud Rate: 115200bpsLED Indicator: Power Indicator Light and Relay Status Indicator LightCircuit Design: Onboard Backflow Diode and Optocoupler Protective FunctionOutput Type: Relay Common End, Normally Open End, Normally Closed End.Action Time (5v) 10msRelease Time (5v) 5msNO (NC Applicable without load): 10A 277VAC, 10A 28VDCPackage List：1 x Relay1 x USB Cable1 x Jumper Wire

• Fast USB Switching: usb relay module with gd32f103c8t6 chip delivers responsive relay switching through ttl or usb commands. usb relay controller for pc automation allows seamless integration into control systems using usb cdc protocol or uart serial instructions, ensuring real-time performance.
• Optocoupler Isolation Design: relay controller module includes optocoupler isolation and backflow diode protection to safeguard control systems from signal interference. ttl relay board with usb interface helps reduce electrical noise, making it stable for long-term switching tasks in sensitive environments.
• User-Friendly Hardware Setup: usb switch module supports both usb type c and pin header power inputs, giving more flexibility in installation. 3-channel relay module for arduino projects is also equipped with power and relay status led lights to visually monitor working states at a glance.
• Strong Output Capacity: 5v usb relay with ttl serial interface features relays rated for 10a 277vac or 10a 28vdc loads, allowing control of high-power appliances or industrial equipment. usb relay module with led indicator lights ensures safe current endurance through reinforced circuit design.
• Compact for Versatile Use: usb interface board supports various applications including computer-controlled switching, diy smart home systems, and industrial automation scenarios. usb controlled relay switch for windows is made with high-temperature abs shell and universal 3.5cm rail for convenient mounting and reliable use.