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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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top saler
OPMSA04_ PNP Input 3.3-5V PNP Output 4CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
US$7.59
OPMSA04 Input 3.3-5V NPN Output 4CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
US$7.59
OPMSD16 PNP Input 3.3-5V NPN Output 16CH DC 3.3-24V 5A MOS Solid State Relay Module Din Rail Mount NPN/PNP PLC IO Signal Amplifier for Motor Relay LED
US$23.99
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
OPMSB08 PNP Input 3.3-5V NPN Output 8CH DC 3.3-24V 0-2kHz PWM Signal Amplifier NPN/PNP Logic Level Converter LED Driver 5A IO Current Amplifier
US$13.99
N4DSA02 2CH RS485 Digital Temperature Collector DS18B20 Sensor DC 5V 12V 24V Modbus Analog Input IO for Thermostat Smart Home R46CA01
US$3.99
New Products [more]
ES32C14 24V RS485 2AO 2AI 4DI 4DO ESP32 Multifunction Expansion Board Modbus Wifi Relay Module for Arduino WEB MQTT Ethernet Network Http
US$16.99
ES32C14 12V RS485 2AO 2AI 4DI 4DO ESP32 Multifunction Expansion Board Modbus Wifi Relay Module for Arduino WEB MQTT Ethernet Network Http
US$18.99
ES32D26 24V 2AO-8AI-8DI-8DO ESP32 Wifi Network Relay Board 4-20MA 0-10V Digital Analog Input Output Module for Smart Switch IOT Simple PLC
US$25.99
ES32D26 24V 2AO-8AI-8DI-8DO ESP32 Wifi Network Relay Board 4-20MA 0-10V Digital Analog Input Output Module for Smart Switch IOT Simple PLC
US$23.99
SMSPN06 7.83Hz Earth HeartBeat Schumann Resonanace 0.01Hz~9999Hz Frequency Signal Generator Earth Heartbeat Signal Booster
US$9.99
ES32D26 12V 2AO-8AI-8DI-8DO ESP32 Wifi Network Relay Board 4-20MA 0-10V Digital Analog Input Output Module for Smart Switch IOT Simple PLC
US$24.99
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NT57B08 8CH Temperature Resistance Acquisition Board Modbus RTU RS485 NTC Thermocouple Sensors for Paperless Recorder Controller
US$11.99
NT57B08 8CH Temperature Resistance Acquisition Board Modbus RTU RS485 NTC Thermocouple Sensors for Paperless Recorder Controller
US$9.99
R4ROM01 24V 3A Mini Size Low Noise RS485 Relay Board Modbus Rtu Remote IO 110V 120V 220V Small Electronic Switch
US$2.99
R4ROM01 12V 3A Mini Size Low Noise RS485 Relay Board Modbus Rtu Remote IO 110V 120V 220V Small Electronic Switch
US$2.99
R4ROM01 5V 3A Mini Size Low Noise RS485 Relay Board Modbus Rtu Remote IO 110V 120V 220V Small Electronic Switch
US$2.99
N4DSC08 8CH RS485 DS18B20 Sensor colector de temperatura Modbus módulo IO remoto para PLC grabador sin papel controles termostáticos
US$9.99
N4DSC08 8CH RS485 DS18B20 Sensor colector de temperatura Modbus módulo IO remoto para PLC grabador sin papel controles termostáticos
US$11.99
10P ZH1.5 cable 4P ZH1.5 cable for R4IOH08
US$1.29
UBTTLC1 Industrial-Grade PC Multi-purpose Bus Extender PLC MCU ARM ESP32 Arduino Debugging Tools USB to TTL232 Converter
US$7.99
UB232B1 Industrial-Grade PC Multi-purpose Bus Extender PLC MCU ARM ESP32 Arduino Debugging Tools USB to RS232 Converter
US$7.99
UB485A1 Industrial-Grade PC Multi-purpose Bus Extender PLC MCU ARM ESP32 Arduino Debugging Tools USB to RS485 Converter
US$7.99
UD422D4 4 IN 1 Multifunctional USB Debugger RS485 RS422 RS232 TTL Extender High speed Isolation Anti-interference Lightning protection
US$24.99
ES32G15 Din Rail WIFI RS485 Remote IO Control Board ESP32-DevKitC Base Plate NTC AI AO DI DO Multi-function Development Board for Arduino PLC
US$20.99
ES32G15 WIFI RS485 Remote IO Control Board ESP32-DevKitC Base Plate NTC AI AO DI DO Multi-function Development Board for Arduino PLC
US$17.99
ES30485 Din Rail WIFI Bluetooth Multipurpose Expansion Board RS485 Master Slave Device ESP32 Development Board Simple PLC 485 AI AO DI DO Module
US$11.99
ES30485 WIFI Bluetooth Multipurpose Expansion Board RS485 Master Slave Device ESP32 Development Board Simple PLC 485 AI AO DI DO Module
US$9.99
SL15M01 DC 12V 2A mini 1ch Bistable Self-locking Relay Module Flip-Flop Latch Switch Board for LED Motor Solenoid valve
US$1.99
SL15M01 DC 12V 2A mini 1ch Bistable Self-locking Relay Module Flip-Flop Latch Switch Board for LED Motor Solenoid valve
US$1.99
CE035 DC 5V 2 CH RS485 Relay Board UART Serial Port Switch Module Modbus AT Command Control For PLC Smart Home Automated Industry
US$11.99
CE035 DC 12V 2 CH RS485 Relay Board UART Serial Port Switch Module Modbus AT Command Control For PLC Smart Home Automated Industry
US$11.99
CE035 DC 24V 2 CH RS485 Relay Board UART Serial Port Switch Module Modbus AT Command Control For PLC Smart Home Automated Industry
US$9.99
LCPBA01 PNP DC 9V 12V 24V LCPBA01 Non Contact Liquid Level Sensor Liquid Detection Switch Controller Water Level Detector Water Level Sensor
US$2.99
LCPBA01 NPN DC 9V 12V 24V LCPBA01 Non Contact Liquid Level Sensor Liquid Detection Switch Controller Water Level Detector Water Level Sensor
US$2.99
ES30F27 24V 28CH 8DI-8DO-7ADC RS485 I2C SPI Multifunction Bus ESP32 Expansion Board 2.4G Wifi Relay DIY for Arduino MQTT ESPhome IOT
US$27.99
ES30F27 12V 28CH 8DI-8DO-7ADC RS485 I2C SPI Multifunction Bus ESP32 Expansion Board 2.4G Wifi Relay DIY for Arduino MQTT ESPhome IOT
US$27.99
RFSIA08 RFSOB08 915MHz Lora Transceiver Kit with Feedback Switch Quantity IO Wireless Remote Transmission Industrial Motor Remote Controller
US$48.99
RFSIA08 RFSOB08 868MHz Lora Transceiver Kit with Feedback Switch Quantity IO Wireless Remote Transmission Industrial Motor Remote Controller
US$48.99
RFSIA08 for RFSOB08 433MHz Lora Transmitter with Feedback Switch Quantity IO Wireless Remote Transmission Industrial Motor Remote Controller
US$23.99
RFSIA08 RFSOB08 433MHz Lora Transceiver Kit with Feedback Switch Quantity IO Wireless Remote Transmission Industrial Motor Remote Controller
US$47.99
RFSOB08 for RFSIA08 915Hz Lora Receiver with Feedback Switch Quantity IO Wireless Remote Transmission Industrial Motor Remote Controller
US$26.99
RFSIA08 for RFSOB08 915MHz Lora Transmitter with Feedback Switch Quantity IO Wireless Remote Transmission Industrial Motor Remote Controller
US$23.99
RFSOB08 for RFSIA08 868MHz Lora Receiver with Feedback Switch Quantity IO Wireless Remote Transmission Industrial Motor Remote Controller
US$26.99
RFSIA08 for RFSOB08 868MHz Lora Transmitter with Feedback Switch Quantity IO Wireless Remote Transmission Industrial Motor Remote Controller
US$23.99
RFSOB08 for RFSIA08 433MHz Lora Receiver with Feedback Switch Quantity IO Wireless Remote Transmission Industrial Motor Remote Controller
US$26.99
NT48C32 32CH RS485 Temperature Collector Inspection Instrument AI Remote IO Module Modbus RTU Paperless Recorder 10K B3950 NTC Sensor
US$26.99
NT48C32 32CH RS485 Temperature Collector Inspection Instrument AI Remote IO Module Modbus RTU Paperless Recorder 10K B3950 NTC Sensor
US$23.99
NT48B20 20CH RS485 Temperature Collector Inspection Instrument AI Remote IO Module Modbus RTU Paperless Recorder 10K B3950 NTC Sensor
US$19.99
NT48B20 20CH RS485 Temperature Collector Inspection Instrument AI Remote IO Module Modbus RTU Paperless Recorder 10K B3950 NTC Sensor
US$17.99
NT48A08 8CH RS485 Temperature Collector Inspection Instrument AI Remote IO Module Modbus RTU Paperless Recorder 10K B3950 NTC Sensor
US$13.49
NT48A08 8CH RS485 Temperature Collector Inspection Instrument AI Remote IO Module Modbus RTU Paperless Recorder 10K B3950 NTC Sensor
US$11.99
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