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AJMRTC LCUS4 4Channel USB Intelligent Relay Module, USB Serial Command Control Switch with CH340 Chip, PC Controlled Relay Board for Lab Automation, Industrial Debug and DIY Electronic Projects
- 4channel USB relay module controlled by serial port hex commands, supports independent on/off operation and realtime status feedback for each channel.
- Equipped with CH340 USBtoserial chip, works with serial debugging tools, convenient for PCside secondary development.
- Each relay rated at 10A 250VAC /10A 30VDC, individual LED indicators display working condition for quick status checking.
- Dual power supply mode: USB 5V or external DC 5V input, external power advised under multirelay concurrent heavyload work.
- Builtin freewheeling diode and circuit protection, screw terminal blocks for simple wiring, fit test bench and automatic control scenarios.
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Overview
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AJMRTC LCUS4 is a 4channel USB commandcontrolled intelligent relay switch module. Builtin CH340 USBtoserial chip enables communication between computer and onboard microcontroller. Users can send hex serial commands to switch each relay channel and read back relay status for custom program integration. Each channel can carry 10A load under 250VAC or 30VDC. Separate LED lights show onoff state visually. This module supports USB power or external 5V DC power supply to maintain stability when multiple relays are activated. Freewheeling diode protects against inductive load damage. Screw terminals simplify wiring installation. Great for laboratory equipment testing, industrial debugging, PC automation control and DIY electronic projects.
Specifications- Brand: AJMRTC
- Model: LCUS4
- Chip: CH340 USBtoSerial
- Channels: 4Channel Relay
- Relay Rating: 10A 250VAC, 10A 30VDC per channel
- Baud Rate: 9600 bps
- Power Supply: USB 5V / External DC 5V
- Protection: Freewheeling diode circuit protection
- Indicator: Power LED + Channelbychannel status LED
- Application: Lab Test, Industrial Debug, PC Automation, Smart Control, DIY Electronics
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by ThermalNest Return Policy
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