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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
RS485 Relays
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top saler
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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RF11A04 CJ003 EV1527 Learning code remote control & 433M RF Wireless Delay Decoding
US$15.99
CE029B CJ002 DC 5V Momentary Latch Toggle Independent Setting DC5V ASK RF Wireless Delay Relay
US$29.99
CJ018 CJ003 433MHz for Arduino Encode Decode RF Wireless Remote Adjustable Delay Time Link
US$13.99
RFM1C01 CJ002 Energy Saving RF Wireless Remote Control Switch MOS for 3.5-18V 2A 20W Load LED
US$15.99
CE033A TB419 DC12v Relay Wireless Remote Control RF Switch On/off Switch + Delay Time Timer
US$10.99
RC43A04 RF32B02 1 Remote Control 2 Household Secure Remote Keyless Entry Controller Rolling Code
US$19.99
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UART 485/232/TTL
UART 485/232/TTL
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CTR4A01 20A 110 220V 50HZ/60HZ RS485 Current Collector Ammeter MODBUS PLC Current Analog Acquisition AC Transformer Meter Module
US$17.59
RT4AE01 868MHz USB RJ45 Female FSK RF Wireless Communication Serial Data Transmission
US$69.99
N4D8C12 24V 12CH Digital IO RS485 Relay Module Modbus RTU DIN35 C45 Rail Box For PLC PTZ Configuration
US$27.99
N4AIA08 22CH 4-20MA Current & 2CH 0-30V Voltage Input RS485 AI Module 24CH 12-bit ADC Collector Board MODBUS RTU PLC IO
US$14.99
RYR432D Easy Setup 12V 32 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
US$49.99
UD48501 VCC Output USB to RS485 programmer
US$5.99
R4D6F20 12V 20DO 2DI 2AI RS485 Switch Digital Analog IO Modbus RTU Relay Module PLC Expanding Board 4-20MA 0-10V Voltage Read
US$39.99
CTR4A01 20A 110 220V 50HZ/60HZ RS485 Current Collector Ammeter MODBUS PLC Current Analog Acquisition AC Transformer Meter Module
US$17.99
R4D3B16 16CH 12V 10A DIN Rail Box PLC Expansion Board RS485 Modbus RTU Relay Module
US$27.99
RT4AE01 868M RS485 to RS485 Wireless Transceiver Serial Data Long-Distance Transmission
US$35.99
AMVIF08 DC 12V-24V 8VI 0-10V To RS485 Current Voltage ADC Collector Module MODBUS RTU Board
US$29.99
TB456 1KG for WG18A02 1KG Weight Sensor RS485 RS232 TTL
US$3.99
N4AIB16 22CH 4-20MA Current & 2CH 0-30V Voltage Input RS485 AI Module 24CH 12-bit ADC Collector Board MODBUS RTU PLC IO
US$21.99
PTA8E16 -40℃ to +500℃ 16CH DC 12V 24V Temperature Analog PT100 Resistance RS485 Collector Modbus RTU -40-500 High Temperature Acquisition Board
US$31.99
R421B16 16 channels DC 12V RS485 Relay Module Modbus RTU 485 Remote Control Switch Board For PLC PTZ Camera Motor
US$25.99
RT4AE01 433MHz USB RJ45 RF Wireless Communication Serial Data Distance Transmission PTZ
US$35.99
AMDOC16 DC 12V 24V 16DO RS485 Isolated Communication Switch Digital Output MODBUS RTU PLC Expansion Board
US$22.99
RT4AE01 433M RS232 FSK RF Wireless Comunication Serial Data Long-Distance Transmission
US$69.99
ET69C02 1xNetwork to 1xRS485 1/8 Port Industrial Gateway Serial Server RJ45 to RS485 HUB Converter UDP TCP Modbus TCP RTU MQTT HTTP PLC
US$14.59
UD24B01 5V USB Relay DC 5V PC UART Serial Port SwitchTYPE-C USB TTL232 Relay Module For Arduino MEGA Raspberry PI
US$4.99
N4ROF32 Mini DC 24V 32CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$49.99
N4DIG08 8CH Input/Output UART RS485 Modbus RTU Controller PLC Expansion Module For Arduino UNO MEGA NANO STM32 AVR PIC
US$3.99
NT38D01 232 Mini TTL232 1k-100K Resistance Value Measurement Module 10K 3950 NTC Thermistor Collector
US$2.49
UD23A08 24V V Multifunction USB RS232 TTL UART Relay Module 8CH PC MCU Control Switch For Motro LED PTZ PLC IPC
US$19.99
CE040 DC 12V 4 CH RS485 Relay Module Modbus RTU And AT Command Remote Control Switch for PLC PTZ Camera Security Monitoring
US$13.99
N4AIC24 22CH 4-20MA Current & 2CH 0-30V Voltage Input RS485 AI Module 24CH 12-bit ADC Collector Board MODBUS RTU PLC IO
US$29.99
N438C15 DC 24V 15CH RS485 RS232 Modbus RTU Relay PC UART Serial Port Switch For PLC Camera Industrial Control System
US$39.99
SGIOB08 8Ch DC 7-30V Safety Barrier Shell RS485 Digital Optocoupler Input Darlington tube Output Module MODBUS RTU PLC Expansion Board
US$29.99
N4DAC02 2CH DC 12V 0-5V 0-10V Voltage Signal Generator DAC Converter Module RS485 Modbus RTU For PLC Measuring Instruments
US$4.99
PTA8C04 4CH DC 12V -40~500 Celsius PT100 Thermocouple Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector
US$13.99
PTA8C04 4CH DC 12V -40~500 Celsius PT100 Thermocouple Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector
US$11.99
N4VIG08 DC 5V 8AI 8CH Analog-to-Digital Conversion ADC Module 0-10V Voltage Current to RS485 Modbus PinBoard PLC Remote IO DIY
US$3.99
CTR4A01 10A 110 220V 50HZ/60HZ RS485 Current Collector Ammeter MODBUS PLC Current Analog Acquisition AC Transformer Meter Module
US$17.99
N4VIA02 5A Multifunctional RS485 Ammeter & Voltmeter 0-30V Voltage & 0-5A Current Measurement Module Modbus RTU
US$7.99
CAN4A02 CAN to RS485 Transparent Transmission Converter Field Bus Signal to RS232(TTL) Module for CNC Car Automated Industry PLC Relay
US$19.99
N4VIA02 5A Multifunctional RS485 Ammeter & Voltmeter 0-30V Voltage & 0-5A Current Measurement Module Modbus RTU
US$6.99
N43IC04 0-10MA RS485 Modbus RTU ADC Module 4CH Current/Voltage Analog Acquisition Board
US$4.99
N4RFA04 Relay RT5BF01 DC 12V 433M Wireless RS485 IO Point-to-Point Master-Slave RF Transceiver Relay Swicth Board for Water Pump LED PTZ PLC
US$19.99
N4DIG08 8CH Input/Output UART RS485 Modbus RTU Controller PLC Expansion Module For Arduino UNO MEGA NANO STM32 AVR PIC
US$4.39
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
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