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UD23A08 12V Multifunction USB RS232 TTL UART Relay Module 8CH PC MCU Control Switch For Motro LED PTZ PLC IPC
$19.99
RT24G01 UHF Radio Modem 2Mbps Air Data Rate RS485 Fast Transceiver 2.4G 20DBM Quasi-Full-Duplex UART DTU Module for Smart Meter Scale
$29.99
UD68B01 USB to RS485 485 Modbus programmer USB to RS485 Bus Converter Module CH340 SP485 MAX485 for Modbus Relay PLC PTZ
$3.99
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LFUPSMA（Output 9V） 2 IN 1 3.2V LiFePO4 Battery Charge & Discharge UPS Module 5V 9V 12V DC DC Boost Converter 32140 32700 18650 3.6V Charger Board
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RYN408F（8CH 12V With Shell) 4-8CH Relay Pluggable Modbus Remote IO Module Baud Rate Slave ID Dip Switch Selection Easy To Use Multi-function Switch Board
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RYN408F (8CH 24V With Shell) 4-8CH Relay Pluggable Modbus Remote IO Module Baud Rate Slave ID Dip Switch Selection Easy To Use Multi-function Switch Board
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RYN408F 8CH 12V Only Board 4-8CH Relay Pluggable Modbus Remote IO Module Baud Rate Slave ID Dip Switch Selection Easy To Use Multi-function Switch Board
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LFUPSMA（Output 5V） 2 IN 1 3.2V LiFePO4 Battery Charge & Discharge UPS Module 5V 9V 12V DC DC Boost Converter 32140 32700 18650 3.6V Charger Board
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RYN408F 8CH 24V Only Board 4-8CH Relay Pluggable Modbus Remote IO Module Baud Rate Slave ID Dip Switch Selection Easy To Use Multi-function Switch Board
$19.85
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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
$3.99
TB446 for SHA8C01 SHT30 sensor Modbus Rtu Digital Temperature Humidity Sensor Module
$3.99
TB456 1KG for WG18A02 1KG Weight Sensor RS485 RS232 TTL
$3.99
TB456 20KG for WG18A02 1KG rs485 TTL 232 Weight Sensor
$3.99
TB456 for WG18A02 5KG rs485 TTL 232 Weight Sensor
$3.99
TB456 10KG for WG18A02 10KG rs485 TTL 232 Weight Sensor
$3.99
OPDIC08 8 Channels DC 3.3V 5V Digital Isolation Communication Module 150Kbps TTL LvTTL Level Converter for UART SPI IIC RS485 GPIO
$4.14
N4DIG08 8CH Input/Output UART RS485 Modbus RTU Controller PLC Expansion Module For Arduino UNO MEGA NANO STM32 AVR PIC
$4.19
N4DIG08 8CH Input/Output UART RS485 Modbus RTU Controller PLC Expansion Module For Arduino UNO MEGA NANO STM32 AVR PIC
$4.39
N428E02 NEW! 2CH 12V DC RS485 Modbus RTU Relay PC UART Serial Port Switch Board For PLC Camera Industrial Control System LED PTZ
$4.59
N4AIA04 4 CH 4-20MA/0-20MA/0-5V/0-10V Voltage Analog Acquisition RS485 Modbus RTU ADC Module For PLC Measuring Instruments
$4.80
RT6AF02 USB-TTL Wireless Transceiver Module UART Serial Port Board For Arduino For UNO MEGA2560 Raspberry Pi ESP8266
$4.99
RT59E02 2400-2525MHz RS232 Wireless Transceiver Module RF UART Board for Wifi ESP8266 NodeMCU PC Serial port COM Printers
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N228D02 DC 12V 2CH DB9 UART Relay Module RS232 Serial Port Switch Board For PC PLC Motor LED PTZ
$4.99
N228D02 DC 24V 2CH DB9 UART Relay Module RS232 Serial Port Switch Board For PC PLC Motor LED PTZ
$4.99
R217A08 5V 8CH RS232 IO Control Switch Relay PLC Expansion Board DB9 Serial Port PC Com Module For Arduino UNO MEGA NANO
$4.99
R217A08 12V 8CH RS232 IO Control Switch Relay PLC Expansion Board DB9 Serial Port PC Com Module For Arduino UNO MEGA NANO
$4.99
R428A01 2 In 1 RS485 RS232 TTL AT Modbus RTU Relay Switch Board PC USB COM UART Serial Port 1 CH 12V DC Module
$4.99
R4DIF08 8 Bit Digital Switch TTL LvTTL CMOS IO Input UART RS485 For PLC Expand Relay Industrial Automation
$4.99
UD24B01 5V USB Relay DC 5V PC UART Serial Port SwitchTYPE-C USB TTL232 Relay Module For Arduino MEGA Raspberry PI
$4.99
N229E01 12V TTL 232 Relay DC 5V PC UART Serial Port SwitchTYPE-C USB TTL232 Relay Module For Arduino MEGA Raspberry PI
$4.99
N229E01 5V TTL 232 Relay DC 5V PC UART Serial Port SwitchTYPE-C USB TTL232 Relay Module For Arduino MEGA Raspberry PI
$4.99
LINTTL3 LIN 2.1/SAE J2602 Transceiver LIN Bus Module Master-Slave Protocol Controller 20KBD UART TTL232 RS485 K-line Can Data Analyzer
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R4AVA07 7CH 5V 10V Voltage Analog Acquisition RS485 Modbus RTU Module For PLC Oscilloscope ADC 4-20MA Sensor
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R44IM04 0-20mA 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
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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
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N43VD04 0-10V RS485 Modbus RTU ADC Module 4CH Current/Voltage Analog Acquisition Board
$4.99
N43VD04 0-20V RS485 Modbus RTU ADC Module 4CH Current/Voltage Analog Acquisition Board
$4.99
N43VD04 0-5V RS485 Modbus RTU ADC Module 4CH Current/Voltage Analog Acquisition Board
$4.99
N43IC04 0-50MA RS485 Modbus RTU ADC Module 4CH Current/Voltage Analog Acquisition Board
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N43IC04 0-20MA RS485 Modbus RTU ADC Module 4CH Current/Voltage Analog Acquisition Board
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N43IC04 0-10MA RS485 Modbus RTU ADC Module 4CH Current/Voltage Analog Acquisition Board
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N4DAC02 2CH DC 12V 0-5V 0-10V Voltage Signal Generator DAC Converter Module RS485 Modbus RTU For PLC Measuring Instruments
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R413D08 5V RS485 RS232(TTL) PLC Modbus RTU Module 8ch IO Control Switch Board for Relay Industrial automation
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R413D08 12V RS485 RS232(TTL) PLC Modbus RTU Module 8ch IO Control Switch Board for Relay Industrial automation
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R414A01 DC 5V-23V RS485 Modbus RTU Temperature And Humidity Sensor Remote Acquisition Monitor Replace DHT11 DHT22 DS18B20 PT100
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PT21A01 DC 12V -40~220 Celsius 1CH Celsius PT100 RTD Thermocouple Celsius Fahrenheit Wide RS485 Temperature Measurement Modbus RTU Board Sensor Module
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PT21A01 DC 12V -40~550 Celsius 1CH Celsius PT100 RTD Thermocouple Celsius Fahrenheit Wide RS485 Temperature Measurement Modbus RTU Board Sensor Module
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TL19A08 8ch D12V PC UART IO Control Switch Modbus Rtu AT Command RS232 TTL232 PLC
$4.99
TL19A08 8ch D12V PC UART IO Control Switch Modbus Rtu AT Command RS232 TTL232 PLC
$4.99
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