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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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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
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
N4DIM32 32CH NPN Isolated Digital Input RS485 Modbus Rtu Controller DC 12V 24V PLC Switch Quantity Acquisition Module
US$14.99
New Products [more]
LR12A01 DC 5V Magnetic Latching Relay Module Bistable Self-locking Flip-Flop Latch Switch Board for Arduino ESP32
US$2.99
N4VIH16 5V 16AI 0-5V 0-10V Current/Voltage Analog Acquisition RS485 Modbus RTU ADC Module DC 5V 12V 24V mini PinBoard
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LR12A01 DC 12V Magnetic Latching Relay Module Bistable Self-locking Flip-Flop Latch Switch Board for Arduino ESP32
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N4VIH16 5V 16AI 0-5V 0-10V Current/Voltage Analog Acquisition RS485 Modbus RTU ADC Module DC 5V 12V 24V mini PinBoard
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LR12A01 DC 24V Magnetic Latching Relay Module Bistable Self-locking Flip-Flop Latch Switch Board for Arduino ESP32
US$2.99
DD0324PW 5V 25W Mini Size High-power 2-5Cell Battery Multiplier 3.7V 4.2V to 8.4V 12.6V 16.8V 21V DC-DC Boost Converter Module 5V 12V 15 24V
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IO Isolation Protection Board
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OPMSA04 NPN 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$6.99
CAROC16 24V NPN 16DI-16DO CAN Relay Controller Module RS485 Digital IO Expanding Board for CNC Car Automated Industry
US$59.99
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
CAROC16 12V NPN 16DI-16DO CAN Relay Controller Module RS485 Digital IO Expanding Board for CNC Car Automated Industry
US$59.99
R4IOH08 12V 4DI-4DO Multipurpose RS485 Digital Input Output Module mini PLC IO Dilator DC 12V 24V for Arduino
US$3.99
OPMSC12 PNP Input 12-24V NPN Output 12CH DC 3.3V/5V/12V/24V 5A PLC Signal Amplifier NPN/PNP Logic Level Converter Module
US$17.99
CAROA04 24V NPN 4DI-4DO CAN Relay Controller Module RS485 Digital IO Expanding Board for CNC Car Automated Industry
US$25.99
23IOD32 32CH PNP Multifunction RS485 Remote IO Module PLC DI-DO expansion Board DIN Rail Box Standard MODBUS RTU Protocol
US$32.99
DNMEB50 24V 16AI-16DI-16DO 4-20MA Current 0-5V/10V/30V Voltage Dry Wet Contact MOS RS485 Relay MEGA2560 R3 Expanding Board for Arduino PLC
US$33.99
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
DNMEB50 12V 16AI-16DI-16DO 4-20MA Current 0-5V/10V/30V Voltage Dry Wet Contact MOS RS485 Relay MEGA2560 R3 Expanding Board for Arduino PLC
US$32.99
23IOA08 NPN Multifunction RS485 Remote IO Module PLC DI-DO expansion Board DIN Rail Box Standard MODBUS RTU Protocol
US$15.99
PDMRC04 DC12V 4CH NPN/PNP 30mA to 10A Digital IO Amplifier Relay Module PLC IO Board for PTZ RS485 Industrial Control
US$9.99
N4D3E16 DC 9V 12V 24V 16DI-16DO RS485 Modbus RTU Remote IO Board N4D3E16 Switch Input Output Module for Touch Panel PLC Relay LED
US$21.99
DN23E08 8AI-8DI-8DO Multifunction IO Expanding Module for ARDUINO NANO V3.0 RS485 Modbus RTU Open PLC LED Current Voltage Sensor
US$32.99
OP71A04 PNP Active High 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
OP11A01 In 9-24V Out 3-8V 3-24V NPN PNP Signal Mutual Converter Logic Level Isolator for PLC RS485 Digital IO Module
US$1.99
N4D3E16 DC 9V 12V 24V 16DI-16DO RS485 Modbus RTU Remote IO Board N4D3E16 Switch Input Output Module for Touch Panel PLC Relay LED
US$19.99
R4IOH08 12V 2DI-6DO Multipurpose RS485 Digital Input Output Module mini PLC IO Dilator DC 12V 24V for Arduino
US$3.99
OP71A04 NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
OP71A04 Active High 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
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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10IOA08 12V 8CH Isolation Digital Switch 8DI-8DO PLC IO Expanding Board RS485 Relay Module Modbus RTU Code 01 05 15 02 03 06 16
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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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R4M8A08 DC 12V 24V 8 Isolated IO DIN35 C45 Rail Box UART RS485 MOSFET Module Modbus RTU Control Switch Board for Relay PLC LED PTZ
US$17.99
OP71A04 PNP Active High 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
PDMRC04 DC12V 4CH NPN/PNP 30mA to 10A Digital IO Amplifier Relay Module PLC IO Board for PTZ RS485 Industrial Control
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10IOA01 24V 1CH Isolation Digital Switch 1DI-1DO PLC IO Expanding Board RS485 Relay Module Modbus RTU Code 01 05 15 02 03 06 16
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DN24F08 300MA Darlington tube output 8AI-8DI-8DO Multifunction IO Expanding Module for ARDUINO NANO V3.0 RS485 Modbus RTU Open PLC LED Current Voltage Sensor
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OP11A01 In 3-8V Out 9-24V NPN PNP Signal Mutual Converter Logic Level Isolator for PLC RS485 Digital IO Module
US$1.99
OP71A04 PNP Active High 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
PDMRA01 DC24V 1 NPN/PNP 30mA to 10A Digital IO Amplifier Relay Module PLC IO Board for PTZ RS485 Industrial Control
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10IOA04 24V 4CH Isolation Digital Switch 4DI-4DO PLC IO Expanding Board RS485 Relay Module Modbus RTU Code 01 05 15 02 03 06 16
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OP71A04 PNP Active High 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
CAROB08 12V NPN 8DI-8DO CAN Relay Controller Module RS485 Digital IO Expanding Board for CNC Car Automated Industry
US$31.99
R4IOH0 12V 6DI-2DO Multipurpose RS485 Digital Input Output Module mini PLC IO Dilator DC 12V 24V for Arduino
US$3.99
OP71A04 3.3V 3.3V NPN Active Low 10Khz DI-DO Digital Switch Optical Isolation Module Logic Level Converter for PLC RS485 IO Communication
US$2.59
N4D4F64 DC 7-27V 64CH Multifunction Modbus DI-DO Module Isolate Input Darlington Output for PLC Relay HMI IC Tester Industrial Control
US$59.99
DNMPB28 DC 12V Multifunction MEGA2560 Pro Expanding Board Current Voltage ADC Collection NPN PNP Isolated DI Relay Mos DO for Arduino
US$29.99
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