Multifunction USB RS232 TTL UART Relay Board 8ch DC 5V 12V 24V PC MCU Control switch for Motro LED PTZ PLC IPC

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0

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1

6

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1

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1

1

5.0

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1

4

5.0

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1

3

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1

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2

7

5.0

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1

1

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1

1

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1

4.0

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Incomplete data

Ce039 dc 12v 4 channel rs232 relay board pc usb uart db9 remote control switch for smart home garage door car alarm farm motor

1

1

5.0

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1

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1

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2

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1

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1

4ch 12v modbus rtu pc uart rs485 relay board for plc lamp led ptz camera control

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2

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2 channel serial port relay module dc 5v dc 12v pc computer usb rs232 db9 rs485 uart remote control switch board for smart home

1

1

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0

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0

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2

2

5.0

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1

1