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UART 485/232/TTL
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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
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
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
24DIC48 48CH DI NPN Digital Switch PLC IO Expansion Board 3000VDC Optical isolation Input RS485 Modbus RTU Module
US$42.99
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
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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TB154 5W USB DC DC Converter 5V to 12V Step Up Boost Module for Electronic Regulator Motor Rotation LED PTZ camera
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TB373 2.54mm Pads 4 Button key Switch Keyboard Matrix Board for Arduiuo MEGA2560 MCU PCB PLC
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TB376 USB DC 5V to 12V DC-DC Boost Converter Step Up Module for Monitor Camera LED DVR
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TB155 Voltage Long Distance Transfer USB DC 5V Converter Step Up Boost Module Solar
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TB293 7W USB DC 5V to 6V 9V 12V 15V Adjustable Output DC DC Converter Step Up Boost Module for LED Motor fan
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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
US$3.99
R4IOH08 12V 8DI Multipurpose RS485 Digital Input Output Module mini PLC IO Dilator DC 12V 24V for Arduino
US$3.99
R4IOH08 12V 6DI-2DO Multipurpose RS485 Digital Input Output Module mini PLC IO Dilator DC 12V 24V for Arduino
US$3.99
R4IOH08 5V 6DI-2DO Multipurpose RS485 Digital Input Output Module mini PLC IO Dilator DC 12V 24V for Arduino
US$3.99
R4IOH08 5V 2DI-6DO Multipurpose RS485 Digital Input Output Module mini PLC IO Dilator DC 12V 24V for Arduino
US$3.99
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
US$3.99
R4IOH08_PIN_8DO_5V 8DO Multipurpose RS485 Digital Input Output Module mini PLC IO Dilator DC 12V 24V for Arduino
US$3.99
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
US$3.99
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
US$4.99
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
OP31C08 In 3-8V Out 3-8V PNP to PNP 8ch PLC Digital Switch IO Isolation Protection Board 3.3V 5V 12V 24V Logic Level Converter NPN PNP Wet Contact
US$5.99
OP31C08 In 3-8V Out 3-8V NPN to NPN 8ch PLC Digital Switch IO Isolation Protection Board 3.3V 5V 12V 24V Logic Level Converter NPN PNP Wet Contact
US$5.99
OP31C08 In 3-8V Out 3-8V PNP to PNP 8ch PLC Digital Switch IO Isolation Protection Board 3.3V 5V 12V 24V Logic Level Converter NPN PNP Wet Contact
US$5.99
OP31C08 In 3-8V Out 9-24V PNP to PNP 8ch PLC Digital Switch IO Isolation Protection Board 3.3V 5V 12V 24V Logic Level Converter NPN PNP Wet Contact
US$5.99
OP31C08 NPN In 5V Out 12V NPN to NPN 8ch PLC Digital Switch IO Isolation Protection Board 3.3V 5V 12V 24V Logic Level Converter NPN PNP Wet Contact
US$5.99
OP31C08 In 9-24V Out 3-8V PNP to PNP 8ch PLC Digital Switch IO Isolation Protection Board 3.3V 5V 12V 24V Logic Level Converter NPN PNP Wet Contact
US$5.99
OP31C08 In 12V Out5V NPN to NPN 8ch PLC Digital Switch IO Isolation Protection Board 3.3V 5V 12V 24V Logic Level Converter NPN PNP Wet Contact
US$5.99
OP31C08 NPN In 12V Out 12V NPN to NPN 8ch PLC Digital Switch IO Isolation Protection Board 3.3V 5V 12V 24V Logic Level Converter NPN PNP Wet Contact
US$5.99
OP31C08 In 9-24V Out 9-24V PNP to PNP 8ch PLC Digital Switch IO Isolation Protection Board 3.3V 5V 12V 24V Logic Level Converter NPN PNP Wet Contact
US$5.99
R4IOI16 16DI 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
US$5.99
R4IOI16 12DI 4DO 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
US$5.99
R4IOI16 4DI 12DO 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
US$5.99
R4IOI16 8DI 8DO 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
US$5.99
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
US$5.99
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
US$5.99
R4IOI16 12DI 4DO 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
US$6.59
R4IOI16 16DI 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
US$6.59
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
US$6.59
R4IOI16 4DI 12DO 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
US$6.59
R4IOI16 8DI 8DO 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
US$6.59
OP31C08 In 3-8V Out 3-8V NPN to NPN 8ch PLC Digital Switch IO Isolation Protection Board 3.3V 5V 12V 24V Logic Level Converter NPN PNP Wet Contact
US$6.99
OP31C08 NPN In 12V Out 12V NPN to NPN 8ch PLC Digital Switch IO Isolation Protection Board 3.3V 5V 12V 24V Logic Level Converter NPN PNP Wet Contact
US$6.99
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