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top saler
N4CID08 8AI Current Voltage Analog Collector 20MA 30V ADC RS485 Bus Core Board for Arduino Pi PICO ESP32 ESP8266 WIFI Nodemcu
US$8.50
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
US$4.99
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$4.99
SHA8C01 12V RS485 -40-125Celsius 0-100%RH SHT30 SHT3X RS485 RS232 TTL Modbus Rtu Digital Temperature Humidity Sensor Module
US$2.99
N4DBA06_R 8CH 0-5V 0-10V 4-20MA Voltage Current Signal Generator Detector RS485 to ADC DAC Converter Modbus RTU IO Module
US$16.99
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
New Products [more]
RT4AE01 433mhz UART USB to RS485 RF Serial Port Data Passthrough Master Slave Device PTZ
US$69.99
RT4AE01 RS485 RS232 Wireless Transceiver Serial Data Long-Distance Transmission 868MHz
US$35.99
RT4AE01 RS485 to USB RS45 UART Transceiver Serial Data Long-Distance Transmission 433MHz
US$35.99
RT4AE01 433mhz UART RS232 to RS485 RF FSK Serial Port Data Passthrough Master Slave
US$69.99
RT4AE01 433mhz UART USB to RS232 RF Serial Port Data Passthrough Master Slave Device PTZ
US$69.99
RT4AE01 868mhz UART USB to RS232 RF Serial Port FSK Data Wireless Control Master Slave
US$69.99
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UART 485/232/TTL
RS485 Modues & relays
RS485 Modues & relays
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N4D8B08 DC 24V 8I8O Multifunction Modbus RTU Relay Module Support 03 06 16 Function Code RS485 Switch Control Board DIN35 Rail Box
US$13.99
N4D8B08 DC 24V 8I8O Multifunction Modbus RTU Relay Module Support 03 06 16 Function Code RS485 Switch Control Board DIN35 Rail Box
US$12.99
N4D8B08 DC 12V 8I8O Multifunction Modbus RTU Relay Module Support 03 06 16 Function Code RS485 Switch Control Board DIN35 Rail Box
US$13.99
N4D8B08 DC 12V 8I8O Multifunction Modbus RTU Relay Module Support 03 06 16 Function Code RS485 Switch Control Board DIN35 Rail Box
US$12.99
N4DOK32 24V 32ch 03 06 16 Modbus RTU RS485 SPDT Relay Switch Module UART Serial port Module DIN Rail Box PLC IO expanding board
US$39.99
N4DOK32 12V 32ch 03 06 16 Modbus RTU RS485 SPDT Relay Switch Module UART Serial port Module DIN Rail Box PLC IO expanding board
US$39.99
R444A01 DC 5V 12V 24V Digital display Modbus RTU RS485 Temperature humidity sensor Module AM2320 replace DHT11 DHT22 DS18B20 PT100
US$10.99
R444A01 DC 5-24V RS485 Modbus RTU Digital Display with External Temperature and Humidity sensor AM2320 Module repl DS18B20 SHT10 SHT20
US$12.99
TB350 0.02H-10Mhz Adjustable Square Wave Pulse Signal generator Module replace MCU LM358 CD4017 NE555 PWM AD9850 AD9851 DDS controller
US$2.99
TB356 1Hz~10kHz 0.1% Stepping Frequency Continuously Adjustable wave Signal Generator replace NE555 LM358 CD4017 DDS PWM AD9850 AD9851
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
US$9.99
N4VIH16 5V 16AI 0-5V 0-10V Current/Voltage Analog Acquisition RS485 Modbus RTU ADC Module DC 5V 12V 24V mini PinBoard
US$9.99
N4VIH16 12V 16AI 0-5V 0-10V Current/Voltage Analog Acquisition RS485 Modbus RTU ADC Module DC 5V 12V 24V mini PinBoard
US$9.99
N4VIH16 12V 16AI 0-5V 0-10V Current/Voltage Analog Acquisition RS485 Modbus RTU ADC Module DC 5V 12V 24V mini PinBoard
US$9.99
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
N4VIG08 DC 12V 8AI 8CH Analog-to-Digital Conversion ADC Module 0-10V Voltage Current to RS485 Modbus PinBoard PLC Remote IO DIY
US$3.99
N4VIG08 DC5V 8AI 8CH Analog-to-Digital Conversion ADC Module 0-10V Voltage Current to RS485 Modbus PinBoard PLC Remote IO DIY
US$3.99
N4VIG08 DC 12V 8CH Analog-to-Digital Conversion ADC Module 0-10V Voltage Current to RS485 Modbus PinBoard PLC Remote IO DIY
US$3.99
R4D3C32 12V C45 Rail Box DC 32ch DIN35 RS485 Modbus RTU Relay Board 485 Bus Remote Control Switch for LED Motor PLC PTZ Camera Smart
US$49.99
R4D3C32 24V C45 Rail Box DC 32ch DIN35 RS485 Modbus RTU Relay Board 485 Bus Remote Control Switch for LED Motor PLC PTZ Camera Smart
US$49.99
R4D8A08 DC 12V 8 Channel RS485 Relay Module Modbus RTU UART Remote Control Switch DIN35 C45 Rail Box for PLC PTZ Camera Security Monito
US$17.99
R4D8A08 DC 12V 8 Channel RS485 Relay Module Modbus RTU UART Remote Control Switch DIN35 C45 Rail Box for PLC PTZ Camera Security Monito
US$19.99
R413E16 Core board RS485 Relay 16ch Multifunction NPN PNP IO Control Core Board Modbus Rtu Module
US$6.59
TB440 for R413E16 16ch Relay Board RS485 Relay 16ch Multifunction NPN PNP IO Control Core Board Modbus Rtu Module
US$13.99
R413E16 Core board RS485 Relay 16ch Multifunction NPN PNP IO Control Core Board Modbus Rtu Module
US$6.99
UD74B08 DC 12V 8ch IO Digital Collector USB COM Serial Port UART Relay Module
US$19.99
UD74B08 DC 24V 8ch IO Digital Collector USB COM Serial Port UART Relay Module
US$19.99
CE035 DC 12V 2 CH RS485 Relay Board UART Serial Port Switch Module Modbus AT Command Control For PLC Smart Home Automated Industry
US$13.99
CE035 DC 12V 2 CH RS485 Relay Board UART Serial Port Switch Module Modbus AT Command Control For PLC Smart Home Automated Industry
US$12.99
N4ROA01 Mini DC 12V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$5.99
N4ROB02 Mini DC 12V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$6.99
N4ROB02 Mini DC 24V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$6.99
N4ROD08 Mini DC 12V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$15.99
N4ROC04 Mini DC 12V 4CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$9.99
N4ROC04 Mini DC 24V 4CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$10.69
N4ROC04 Mini DC 12V 4CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$10.69
N4ROC04 Mini DC 24V 4CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$9.99
N4ROD08 Mini DC 24V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$16.99
N4ROD08 Mini DC 12V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$16.99
N4ROD08 Mini DC 24V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$15.99
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