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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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R217A08 12V 8CH RS232 IO Control Switch Relay PLC Expansion Board DB9 Serial Port PC Com Module For Arduino UNO MEGA NANO
US$4.99
UD48501 VCC Output USB to RS485 programmer
US$5.99
RT4AE01 868MHz USB RJ45 UART Serial UART Wireless Data Transceiver Communication
US$29.99
UD23202 12V 5V VCC Output USB to RS232 Converter UART PC COM Serial Port Module for PLC IO HMI MCU PTZ Smart Home Debugging
US$5.99
UD68B01 USB to RS485 485 Modbus programmer USB to RS485 Bus Converter Module CH340 SP485 MAX485 for Modbus Relay PLC PTZ
US$2.99
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DD1912PA Multifunction DC-DC Converter Step-up Step-down Dual Voltage Regulator Module Input 3-24V Output +- 12V
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DD1912PA Multifunction DC-DC Converter Step-up Step-down Dual Voltage Regulator Module Input 3-24V Output +- 15V
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DD23CRTA 3S 1A DC 5-23V to 12.6V 3S Multi-Cell Li-Ion Lithium Battery Charger for Solar charging Portable device
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DD23CRTA 2S 2A DC 5-23V to 8.4V 2S Multi-Cell Li-Ion Lithium Battery Charger for Solar charging Portable device
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DD1912PA Multifunction DC-DC Converter Step-up Step-down Dual Voltage Regulator Module Input 3-24V Output +-24V
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DD1912PA Multifunction DC-DC Converter Step-up Step-down Dual Voltage Regulator Module Input 3-24V Output +-18V
US$2.59
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UART 485/232/TTL
UART 485/232/TTL
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RT18A01 RS485 Master-slave Network Transceiver Wireless Repeater FSK 433M 868M UHF FR Module DTU Board For PTZ Camera
US$13.99
R4A8H08 24V 8DO 4DI 8AI RS485 Modbus RTU Multifunction Relay Module PLC IO Expanding Board 4-20MA 0-10V Current Voltage Collector R4A8H08
US$29.99
R223C16 16ch DC 12V Serial Port DB9 UART RS232 Relay Module for PLC PC Com 3D Printer LED Home lighting Motor
US$25.99
R413D08 5V RS485 RS232(TTL) PLC Modbus RTU Module 8ch IO Control Switch Board for Relay Industrial automation
US$4.99
R4PIN08 8DO 8CH Multifunction RS485 Remote IO 2.54mm Pin Core Board Modbus Rtu Master-slave Digital Collection Module DC 5V 12V 24V
US$3.99
N4DIG08 8CH Input/Output UART RS485 Modbus RTU Controller PLC Expansion Module For Arduino UNO MEGA NANO STM32 AVR PIC
US$3.99
PT22B01 DC 12V -40~550 Celsius 1CH Celsius PT100 RTD Thermocouple Celsius Fahrenheit Wide RS485 Temperature Measurement Modbus RTU Board Sensor Module
US$4.99
TL19A08 8ch D12V PC UART IO Control Switch Modbus Rtu AT Command RS232 TTL232 PLC
US$2.99
N4VIA02 5A Multifunctional RS485 Ammeter & Voltmeter 0-30V Voltage & 0-5A Current Measurement Module Modbus RTU
US$7.99
R4D7G04 DC 24V Multifunction PLC IO Expanding Board 4-20MA 0-10V Analog Current Voltage Collector NPN/PNP DI for Instrument
US$13.99
WG18A02 DC 12V RS485 UART Modbus RTU HX711 Pressure Weight Sensor Electronic Scale Module For PLC Configuration Software
US$6.99
CTR4A01 110 220V 50HZ/60HZ RS485 Current Collector Ammeter MODBUS PLC Current Analog Acquisition AC Transformer Meter Module
US$16.50
CTR4A01 10A 110 220V 50HZ/60HZ RS485 Current Collector Ammeter MODBUS PLC Current Analog Acquisition AC Transformer Meter Module
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RT4AE01 868MHz RS232 DB9 Com Wireless Transmission UART Serial Data Long-Distance
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RYR432D Easy Setup 24V 32 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
US$49.99
R4D6F20 24V 20DO 2DI 2AI RS485 Switch Digital Analog IO Modbus RTU Relay Module PLC Expanding Board 4-20MA 0-10V Voltage Read
US$39.99
N4AIA08 22CH 4-20MA Current & 2CH 0-30V Voltage Input RS485 AI Module 24CH 12-bit ADC Collector Board MODBUS RTU PLC IO
US$16.99
RT48D02 for RT39D01 RT59E02 RT6AF02 2400-2525MHz RS232 Serial Port Wireless Transceiver Module RF UART Board for ESP8266 NodeMCU PC Serial port COM Printers
US$4.99
R4D5E32 24V 32Ch DC 12V 24V 20A High Current Ethernet RS485 Relay Module RJ45 Network Port TCP/IP Modbus RTU Board
US$79.99
PT22B01 DC 12V -40~220 Celsius 1CH Celsius PT100 RTD Thermocouple Celsius Fahrenheit Wide RS485 Temperature Measurement Modbus RTU Board Sensor Module
US$4.99
RT4AE01 Master Salved 868mhz UART RS232 to RS485 RF FSK Serial Port Data Wireless Master Slave PTZ PLC
US$69.99
R421C32 32CH DC 12V RS-485 Modbus RTU Relay Board RS485 Bus Remote Control Switch For LED Motor PLC PTZ Camera
US$49.99
TB456 20KG for WG18A02 1KG rs485 TTL 232 Weight Sensor
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N43VD04 0-20V RS485 Modbus RTU ADC Module 4CH Current/Voltage Analog Acquisition Board
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N4VIG08 DC 12V 8CH Analog-to-Digital Conversion ADC Module 0-10V Voltage Current to RS485 Modbus PinBoard PLC Remote IO DIY
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UD23A08 12V Multifunction USB RS232 TTL UART Relay Module 8CH PC MCU Control Switch For Motro LED PTZ PLC IPC
US$19.99
NT38D01 485 Mini RS485 1k-100K Resistance Value Measurement Module 10K 3950 NTC Thermistor Collector
US$2.99
N428E02 NEW! 2CH 12V DC RS485 Modbus RTU Relay PC UART Serial Port Switch Board For PLC Camera Industrial Control System LED PTZ
US$4.99
TB440 for R413E16 16ch Relay Board RS485 Relay 16ch Multifunction NPN PNP IO Control Core Board Modbus Rtu Module
US$13.99
R4D7G04 DC 12V Multifunction PLC IO Expanding Board 4-20MA 0-10V Analog Current Voltage Collector NPN/PNP DI for Instrument
US$11.99
ET48A08 DC12V 2 IN 1 8CH Ethernet RS485 Relay Module Modbus Slave RTU TCP/IP UART Network Controller Switch PLC Control Board
US$32.99
ETHUB18 1xNetwork to 8xRS485 1/8 Port Industrial Gateway Serial Server RJ45 to RS485 HUB Converter UDP TCP Modbus TCP RTU MQTT HTTP PLC
US$33.99
R46CA01 ANO 5V TTL232 NO DC 3.7-25V DS18B20 RS485 RS232 TTL Modbus RTU Temperature Sensor Remote Acquisition Monitor Module For Arduino PC PLC MCU
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TB438 NTC B B3950 10K 1% NTC Thermal sensor for NTROA02 NT18B07 7 CH NTC Temperature Transmitter 10K Thermistor to RS485 Acquisition Module For PLC Paperless Recorder Configuration Softwa
US$1.99
N434E01 NTC Temperature and Humidity Transmitter Detection Sensor Module Modbus NTC replace SHT20 SHT30 RS485 Analog Signal
US$5.99
N4A4I06 24V 14CH Multifunction RS485 Network Bus NTC Temperature Collector 4AI-4DI-6DO Modbus RTU PLC Remote IO Analog Digital Expander
US$26.99
R413E16 Core board RS485 Relay 16ch Multifunction NPN PNP IO Control Core Board Modbus Rtu Module
US$6.59
RT38B01 5PCS 433-458MHz UHF DTU RS485 Bus RF Serial Port UART Transceiver Master Slave
US$59.99
WHTCA01 + TB448 + TB449 DC 3.7-5V Lithium Battery Type-C USB Mini Humidifier DIY Kits Mist Maker Driver Circuit Board Fogger Atomization Film
US$2.99
R428A01 2 In 1 RS485 RS232 TTL AT Modbus RTU Relay Switch Board PC USB COM UART Serial Port 1 CH 12V DC Module
US$4.99
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