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UART 485/232/TTL
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RS485 Modues & relays
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Wireless RS485/RS232 series 1
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top saler
OPMSA04 Input 3.3-5V NPN Output 4CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
US$7.59
24DIC48 48CH DI NPN Digital Switch PLC IO Expansion Board 3000VDC Optical isolation Input RS485 Modbus RTU Module
US$42.99
OPMSD16 PNP Input 3.3-5V NPN Output 16CH DC 3.3-24V 5A MOS Solid State Relay Module Din Rail Mount NPN/PNP PLC IO Signal Amplifier for Motor Relay LED
US$23.99
10IOA02 24V 2CH Isolation Digital Switch 2DI-2DO PLC IO Expanding Board RS485 Relay Module Modbus RTU Code 01 05 15 02 03 06 16
US$9.99
OPMSB08 PNP Input 3.3-5V NPN Output 8CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
US$13.99
10IOA02 24V 2CH Isolation Digital Switch 2DI-2DO PLC IO Expanding Board RS485 Relay Module Modbus RTU Code 01 05 15 02 03 06 16
US$10.99
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RF23G08 12V TB422 Dc12V 8Ch 433.92M Relay Rf Remote Control Wireless Timer Delay 0.2-2 S Low Pulse
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RF22A04 BX003 RF Wireless Relay Controller DC 12V 4CH 433MHz Delay For PT2262 EV1527 Encoder
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UD74B08 DC 24V 8ch IO Digital Collector USB COM Serial Port UART Relay Module
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RF23G08 TB422 Dc5V 8Ch 433.92M Relay Rf Remote Control Wireless Timer Delay 0.2-2 S Low Pulse
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UD74B08 DC 12V 8ch IO Digital Collector USB COM Serial Port UART Relay Module
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IO Isolation Protection Board
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R4IOI16 16DO 16CH 5 IN 1 Modbus Rtu Digital IO Module RS485 NPN PNP DI-DO Pin Core Board Switching Input Output PLC HMI Remote IO Expanding
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IO34H02 110V 120V 220V 50-60HZ AC Time Delay Relay DIP Switch to Set Time Switch for Light Fan Small Power Water Pump Automatic Door
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R4SLS08 8DI DC 12V 24V Quick Wiring Connector RS485 Modbus Remote IO NPN PNP DI-DO Module 141R Spring Terminal Block for Relay Smart Home
US$4.99
R4SLS08 4DI 4DO DC 12V 24V Quick Wiring Connector RS485 Modbus Remote IO NPN PNP DI-DO Module 141R Spring Terminal Block for Relay Smart Home
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R4SLS08 2DI 6DO DC 12V 24V Quick Wiring Connector RS485 Modbus Remote IO NPN PNP DI-DO Module 141R Spring Terminal Block for Relay Smart Home
US$4.99
R4SLS08 8DO DC 12V 24V Quick Wiring Connector RS485 Modbus Remote IO NPN PNP DI-DO Module 141R Spring Terminal Block for Relay Smart Home
US$4.99
R4SLS08 6DI 2DO DC 12V 24V Quick Wiring Connector RS485 Modbus Remote IO NPN PNP DI-DO Module 141R Spring Terminal Block for Relay Smart Home
US$4.99
PDMRA01 DC12V 1 NPN/PNP 30mA to 10A Digital IO Amplifier Relay Module PLC IO Board for PTZ RS485 Industrial Control
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PDMRA01 DC24V 1 NPN/PNP 30mA to 10A Digital IO Amplifier Relay Module PLC IO Board for PTZ RS485 Industrial Control
US$3.99
R4IOH08 8DI Multipurpose RS485 Digital Input Output Module mini PLC IO Dilator DC 12V 24V for Arduino
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R4IOH08 12V 8DI Multipurpose RS485 Digital Input Output Module mini PLC IO Dilator DC 12V 24V for Arduino
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R4IOH08 12V 6DI-2DO Multipurpose RS485 Digital Input Output Module mini PLC IO Dilator DC 12V 24V for Arduino
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R4IOH08 5V 6DI-2DO Multipurpose RS485 Digital Input Output Module mini PLC IO Dilator DC 12V 24V for Arduino
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R4IOH08 5V 2DI-6DO Multipurpose RS485 Digital Input Output Module mini PLC IO Dilator DC 12V 24V for Arduino
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R4IOH08 12V 2DI-6DO Multipurpose RS485 Digital Input Output Module mini PLC IO Dilator DC 12V 24V for Arduino
US$3.99
R4IOH08 5V 4DI-4DO Multipurpose RS485 Digital Input Output Module mini PLC IO Dilator DC 12V 24V for Arduino
US$3.99
R4IOH08 12V 4DI-4DO Multipurpose RS485 Digital Input Output Module mini PLC IO Dilator DC 12V 24V for Arduino
US$3.99
R4IOH08 12V 8DO Multipurpose RS485 Digital Input Output Module mini PLC IO Dilator DC 12V 24V for Arduino
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R4IOH08_PIN_8DO_5V 8DO Multipurpose RS485 Digital Input Output Module mini PLC IO Dilator DC 12V 24V for Arduino
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R4IOH08 5V 8DI Multipurpose RS485 Digital Input Output Module mini PLC IO Dilator DC 12V 24V for Arduino
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R4IOH08 12V 8DI Multipurpose RS485 Digital Input Output Module mini PLC IO Dilator DC 12V 24V for Arduino
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OP62A02 10M High-Frequency 3.3V 5V GPIO Logic Level Converter Board PWM Signal 5000Vrms Optical Isolation Module PNP NPN
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OP62A02 10M High-Frequency 3.3V 5V GPIO Logic Level Converter Board PWM Signal 5000Vrms Optical Isolation Module PNP NPN
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OP71A04 3.3V 3.3V NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
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OP71A04 24V 3.3V NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
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OP71A04 3.3V 24V NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 5V 3.3V NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 5V 5V NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 5V 12V NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 5V 24V NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
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OP71A04 12Vto 12V NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 12V to 24V NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 12V to 5V NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 12V to 3V3 NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 3.3V 12V NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 PNP Active High 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 3.3V 5V NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 24V 12V NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 24V 5V NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
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