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<ul><li>1. USB serial port control relay, serial port control, , overcurrent protection 
2. USB serial port control relay, newly upgraded and advanced version, with new optocoupler protection circuit to prevent interference and high-speed transmission 
3. The output terminal of the relay can be regarded as an electronic switch, controlling the on and off of the circuit. There is actually no voltage output at the load end of the module. 
4. When there is no voltage in the relay coil, the relay does not pull in, and the common terminal (COM) is connected to the normally closed terminal (NC). When there is voltage, the relay pulls in, and the common terminal (COM) is connected to the normally open terminal (NO). 
5. USB serial port control relay 
Relay path: 5V 
Power supply method: Type-c interface/pin header 
Control interface: Type-c interface/pin header 
Microcontroller chip: GD32F103C8T6 
Baud rate: 115200bps 
LED indicator light: power indicator light and relay status indicator light 
Circuit design: With overcurrent protection and optocoupler protection functions 
Output type: relay common terminal, normally open terminal, normally closed terminal 
Load type: Load powered at 10A/30VDC, 10A/250VAC 
Product size: About 58x32mm 
Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use 
Colour:As Shown 
Material:PCB 
Type: DSTUR-T40 4 Channel 
Package Contents: 
1x Serial Port Control Relay (Type C) 
1x Type-C Cable (50cm) 
1x 10Pin 2.54mm Female To Female Cable (20cm) 
Only the above package content, other products are not included. 
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.</li></ul>

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Relay Module 4 Channel USB to CH340 Serial Control Relay Module

Devolución hasta 30 días después de recibido.

1. USB serial port control relay, serial port control, , overcurrent protection 
2. USB serial port control relay, newly upgraded and advanced version, with new optocoupler protection circuit to prevent interference and high-speed transmission 
3. The output terminal of the relay can be regarded as an electronic switch, controlling the on and off of the circuit. There is actually no voltage output at the load end of the module. 
4. When there is no voltage in the relay coil, the relay does not pull in, and the common terminal (COM) is connected to the normally closed terminal (NC). When there is voltage, the relay pulls in, and the common terminal (COM) is connected to the normally open terminal (NO). 
5. USB serial port control relay 
Relay path: 5V 
Power supply method: Type-c interface/pin header 
Control interface: Type-c interface/pin header 
Microcontroller chip: GD32F103C8T6 
Baud rate: 115200bps 
LED indicator light: power indicator light and relay status indicator light 
Circuit design: With overcurrent protection and optocoupler protection functions 
Output type: relay common terminal, normally open terminal, normally closed terminal 
Load type: Load powered at 10A/30VDC, 10A/250VAC 
Product size: About 58x32mm 
Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use 
Colour:As Shown 
Material:PCB 
Type: DSTUR-T40 4 Channel 
Package Contents: 
1x Serial Port Control Relay (Type C) 
1x Type-C Cable (50cm) 
1x 10Pin 2.54mm Female To Female Cable (20cm) 
Only the above package content, other products are not included. 
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.