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UART 485/232/TTL
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RS485 Modues & relays
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Wireless RS485/RS232 series 1
Current Voltage ADC Collector
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top saler
N4VIA02 5A Multifunctional RS485 Ammeter & Voltmeter 0-30V Voltage & 0-5A Current Measurement Module Modbus RTU
US$7.99
DM56A04 4 Bit DC 5V 12V 24V RS485 Digital Tube Characters LED Display Module Modbus RTU for PLC Configuration Software Configuration Software
US$9.99
RT4AE01 VHF/UHF Radio Modem 433M/RS485/RS232/USB Wireless Transceiver Serial Data Long-Distance Transmission Module
US$19.99
R4IVB02 Power 6-25V IN0-20MA Low-Cost 2-AI Modbus RS485 Voltage Current 12Bit ADC Collection Module 4-20mA 0-10V PLC HMI Analog Remote IO Expansion Board
US$3.99
RT88H01 DC 5-12V 868M RS485 Lora 22DBM RF Wireless Transceiver Master-Slave Transmission for RS485 PLC PTZ Wireless Meter Reading
US$12.99
Din Rail case hold for PCB SIZE 72*100
US$3.99
New Products [more]
OP11A01 In 5V Out 5V 3-24V NPN PNP Signal Mutual Converter Logic Level Isolator for PLC RS485 Digital IO Module
US$1.99
OP22B01 12V Output 12v 24V AC 110V 220V to 3.3V 5V 12V 24V Voltage Signal Detection Module Power ON/OFF Alarm Board for PLC RS485 IO Module
US$2.99
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
OP22B01 5V Output 3V3 5V AC 110V 220V to 3.3V 5V 12V 24V Voltage Signal Detection Module Power ON/OFF Alarm Board for PLC RS485 IO Module
US$2.99
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
OP11A01 In 3-8V Out 9-24V NPN PNP Signal Mutual Converter Logic Level Isolator for PLC RS485 Digital IO Module
US$1.99
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UART 485/232/TTL
RS485 Modues & relays
RS485 Modues & relays
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R4IVB02 Power 6-25V IN0-20MA Low-Cost 2-AI Modbus RS485 Voltage Current 12Bit ADC Collection Module 4-20mA 0-10V PLC HMI Analog Remote IO Expansion Board
US$3.99
R4PIN08 With pin 4DI-4DO 8CH Multifunction RS485 Remote IO 2.54mm Pin Core Board Modbus Rtu Master-slave Digital Collection Module DC 5V 12V 24V
US$3.99
ETROA01 12V 1DI 1DO 3 IN 1 Serial Serve/Ethernet/RS485 Relay Module Modbus RTU TCP/IP UART DI-DO Network Controller Switch PLC Remote IO Board
US$12.99
R4CVA02 Power 5V IN0-20MA Mini 2CH Voltage Current RS485 Collector Module ADC Serial Port UART AI Input Module PLC Analog IO
US$2.99
R4IVB02 Power 6-25V IN 0-10V Low-Cost 2-AI Modbus RS485 Voltage Current 12Bit ADC Collection Module 4-20mA 0-10V PLC HMI Analog Remote IO Expansion Board
US$3.99
ETVOD08 12V 8CH NPN DI Digital Analog Ethernet Remote I/O Modules Modbus RTU TCP/IP MQTT Network Controller 4-20MA 0-10V DAC Output Board
US$32.99
R444A01 DC 5V 12V 24V Digital display Modbus RTU RS485 Temperature humidity sensor Module AM2320 replace DHT11 DHT22 DS18B20 PT100
US$10.99
NTROA02 24V 2AI-2DO NTC Relay RS485 RS232(TTL) Analog Digital Modbus Rtu Remote IO Module Temperature Input Relay Output NTROA02 Board
US$5.99
R4CVA02 Power 6-25V IN 0-20MA Mini 2CH Voltage Current RS485 Collector Module ADC Serial Port UART AI Input Module PLC Analog IO
US$2.99
TB439 NTC B B3950 10K 1% NTC Thermal sensor for NT18B07 7 CH NTC Temperature Transmitter 10K Thermistor to RS485 Acquisition Module For PLC Paperless Recorder Configuration Softwa
US$1.99
ETROB02 12V 2DI 2DO 3 IN 1 Serial Serve/Ethernet/RS485 Relay Module Modbus RTU TCP/IP UART DI-DO Network Controller Switch PLC Remote IO Board
US$14.99
R44VL04 0-10V 12CH 12V 24V RS485 Analog Digital IO Module 4AI-4DI-4DO PLC Remote I/O Board Modbus RTU 01/02/03/04/05/06/15/16 Function Code
US$7.99
R4IVB02 Power 5V IN 0-10V Low-Cost 2-AI Modbus RS485 Voltage Current 12Bit ADC Collection Module 4-20mA 0-10V PLC HMI Analog Remote IO Expansion Board
US$3.99
NTROA02 12V 2AI-2DO NTC Relay RS485 RS232(TTL) Analog Digital Modbus Rtu Remote IO Module Temperature Input Relay Output NTROA02 Board
US$5.99
R4IVB02 Power 5V IN 0-20MA Low-Cost 2-AI Modbus RS485 Voltage Current 12Bit ADC Collection Module 4-20mA 0-10V PLC HMI Analog Remote IO Expansion Board
US$3.99
TB446 for SHA9D01 SHT30 sensor Modbus Rtu Digital Temperature Humidity Sensor Module
US$3.99
SHA9D01 RS485 5V Industrial Temperature & Humidity SHT30 Sensor Adapter Board RS485 TTL Modbus Rtu Analog Remote IO SHA9D01 Module HMI PLC Expand
US$3.99
SHA9D01 RS485 12V Industrial Temperature & Humidity SHT30 Sensor Adapter Board RS485 TTL Modbus Rtu Analog Remote IO SHA9D01 Module HMI PLC Expand
US$3.99
SHA9D01 TTL232 5V Industrial Temperature & Humidity SHT30 Sensor Adapter Board RS485 TTL Modbus Rtu Analog Remote IO SHA9D01 Module HMI PLC Expand
US$3.99
N4DSB03 1-2CH RS485 Digital Temperature Collector Module -55 to +125C DS18B20 Sensor DC 5V 12V 24V for Thermostat Smart Home R46CA01
US$3.99
N4DSA02 2CH RS485 Digital Temperature Collector DS18B20 Sensor DC 5V 12V 24V Modbus Analog Input IO for Thermostat Smart Home R46CA01
US$3.99
N4DSA02 2CH RS485 Digital Temperature Collector DS18B20 Sensor DC 5V 12V 24V Modbus Analog Input IO for Thermostat Smart Home R46CA01
US$3.99
N4DSB03 1-2CH RS485 Digital Temperature Collector Module -55 to +125C DS18B20 Sensor DC 5V 12V 24V for Thermostat Smart Home R46CA01
US$4.36
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