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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
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
N4DSB03 1-2CH RS485 Digital Temperature Collector Module -55 to +125C DS18B20 Sensor DC 5V 12V 24V for Thermostat Smart Home R46CA01
US$4.36
TB457 NTC sensor
US$0.39
PT21A01 DC 12V -40~220 Celsius 1CH Celsius PT100 RTD Thermocouple Celsius Fahrenheit Wide RS485 Temperature Measurement Modbus RTU Board Sensor Module
US$4.99
PTA8D08 -40℃ to +500℃ 8AI RS485 Analog Input PT100 RTD RS485 Temperature Sensor Acquisition Module replace NTC K Thermocouple DS18B20
US$21.99
SHA8C01 12V RS485 -40-125Celsius 0-100%RH SHT30 SHT3X RS485 RS232 TTL Modbus Rtu Digital Temperature Humidity Sensor Module
US$2.99
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$18.99
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$22.99
DNESA30 30PIN ESP32 Din Rail Mounting Expansion Board for ESP-WROOM-32 Wifi BT Module Development Board Wireless Smart Home IOT
US$6.99
DNDINS3 Mounting ESP32-S3 Development Board N16R8 N8R8 ESP32-S3-DevKitC-1 Expansion Module for Bluetooth Arduino Wifi IOT DIY
US$7.99
ES32C14 12V RS485 2AO 2AI 4DI 4DO ESP32 Multifunction Expansion Board Modbus Wifi Relay Module for Arduino WEB MQTT Ethernet Network Http
US$16.99
DNESA30 30PIN ESP32 Din Rail Mounting Expansion Board for ESP-WROOM-32 Wifi BT Module Development Board Wireless Smart Home IOT
US$5.99
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UART 485/232/TTL
RS485 Modues & relays
Temperature and Humidity Transmitter Detection Sensor
Temperature and Humidity Transmitter Detection Sensor
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TB445_B PT100 Thermal Resistance Collector
US$3.99
TB445 PT100 Thermal Resistance Collector
US$3.99
NT28B16 50K 16 CH RS485 Temperature Acquisition Board RTU Paperless Recorder 10K/20K/50K/100K B3950 NTC Sensor
US$14.99
NT28B16 20K 16 CH RS485 Temperature Acquisition Board RTU Paperless Recorder 10K/20K/50K/100K B3950 NTC Sensor
US$14.99
NT28B16 100K 16 CH RS485 Temperature Acquisition Board RTU Paperless Recorder 10K/20K/50K/100K B3950 NTC Sensor
US$14.99
TB438_10K 10K B3950 1% NTC Thermal sensor NT28B16
US$6.99
TB438_50K*8 50K B3950 1% NTC Thermal sensor NT28B16
US$6.99
TB438_20K 20K B3950 1% NTC Thermal sensor NT28B16
US$6.99
TB438_100K*8 100K B3950 1% NTC Thermal sensor NT28B16
US$6.99
PTA8C04 12V 4CH DC 12V -40~220 Celsius PT100 Thermocouple Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector
US$11.99
TB436 N4DSB03 N4DSA02 DS18B20 Sensor for R4DCB08 8 CH DC 12V DS18B20 RS485 Temperature Sensor Remote Acquisition Monitor Digital Thermometer Module PLC Configuration
US$3.99
R4DCB08 8 CH DC 12V DS18B20 RS485 Temperature Sensor Remote Acquisition Monitor Digital Thermometer Module PLC Configuration
US$10.99
NT18B07 7 CH NTC Temperature Transmitter 10K Thermistor to RS485 Acquisition Module For PLC Paperless Recorder Configuration Softwa
US$12.99
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
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
US$3.99
R46CA01 5V RS485 NO TS DC 3.7-25V DS18B20 RS485 RS232 TTL Modbus RTU Temperature Sensor Remote Acquisition Monitor Module For Arduino PC PLC MCU
US$3.99
R46CA01 ATS 5V TTL232 TS DC 3.7-25V DS18B20 RS485 RS232 TTL Modbus RTU Temperature Sensor Remote Acquisition Monitor Module For Arduino PC PLC MCU
US$4.29
R46CA01 5V RS485 TS DC 3.7-25V DS18B20 RS485 RS232 TTL Modbus RTU Temperature Sensor Remote Acquisition Monitor Module For Arduino PC PLC MCU
US$6.99
R46CA01 12V RS485 NO DC 3.7-25V DS18B20 RS485 RS232 TTL Modbus RTU Temperature Sensor Remote Acquisition Monitor Module For Arduino PC PLC MCU
US$3.99
PTA9B01 -20-220 Celsius PT100 Thermocouple Temperature Detector RTD Sensor Tester Converter RS485 Modbus RTU
US$5.99
PTA9B01 -20-400 Celsius PT100 Thermocouple Temperature Detector RTD Sensor Tester Converter RS485 Modbus RTU
US$5.99
SHA8C01 5V TTL232 -40-125Celsius 0-100%RH SHT30 SHT3X RS485 RS232 TTL Modbus Rtu Digital Temperature Humidity Sensor Module
US$2.99
SHA8C01 5V RS485 -40-125Celsius 0-100%RH SHT30 SHT3X RS485 RS232 TTL Modbus Rtu Digital Temperature Humidity Sensor Module
US$2.99
SHA8C01 12V RS485 -40-125Celsius 0-100%RH SHT30 SHT3X RS485 RS232 TTL Modbus Rtu Digital Temperature Humidity Sensor Module
US$2.99
SHA8C01 5V RS485 -40-125Celsius 0-100%RH SHT30 SHT3X RS485 RS232 TTL Modbus Rtu Digital Temperature Humidity Sensor Module
US$2.99
SHA8C01 5V TTL232 -40-125Celsius 0-100%RH SHT30 SHT3X RS485 RS232 TTL Modbus Rtu Digital Temperature Humidity Sensor Module
US$2.99
TB446 for SHA8C01 SHT30 sensor Modbus Rtu Digital Temperature Humidity Sensor Module
US$3.99
... more info
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PTA8D08 -40℃ to +220℃ 8AI RS485 Analog Input PT100 RTD RS485 Temperature Sensor Acquisition Module replace NTC K Thermocouple DS18B20
US$19.99
PTA8E16 -40℃ to +220℃ 16CH DC 12V 24V Temperature Analog PT100 Resistance RS485 Collector Modbus RTU -40-500 High Temperature Acquisition Board
US$29.99
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
PTA8E16 -40℃ to +500℃ 16CH DC 12V 24V Temperature Analog PT100 Resistance RS485 Collector Modbus RTU -40-500 High Temperature Acquisition Board
US$29.99
PTA8E16 -40℃ to +220℃ 16CH DC 12V 24V Temperature Analog PT100 Resistance RS485 Collector Modbus RTU -40-500 High Temperature Acquisition Board
US$31.99
AMDSG08 8 DS18B20 temperature acquisition module / RS485 MODBUS RTU communication replace WP3066ADAM
US$22.99
R444A01 DC 5-24V RS485 Modbus RTU Digital Display with External Temperature and Humidity sensor AM2320 Module repl DS18B20 SHT10 SHT20
US$12.99
R444A01 DC 5V 12V 24V Digital display Modbus RTU RS485 Temperature humidity sensor Module AM2320 replace DHT11 DHT22 DS18B20 PT100
US$10.99
NTROA02 5V 2AI-2DO NTC Relay RS485 RS232(TTL) Analog Digital Modbus Rtu Remote IO Module Temperature Input Relay Output NTROA02 Board
US$5.99
NTROA02 12V 2AI-2DO NTC Relay RS485 RS232(TTL) Analog Digital Modbus Rtu Remote IO Module Temperature Input Relay Output NTROA02 Board
US$5.99
NTROA02 24V 2AI-2DO NTC Relay RS485 RS232(TTL) Analog Digital Modbus Rtu Remote IO Module Temperature Input Relay Output NTROA02 Board
US$5.99
SHA9D01 TTL232 5V Industrial Temperature & Humidity SHT30 Sensor Adapter Board RS485 TTL Modbus Rtu Analog Remote IO SHA9D01 Module HMI PLC Expand
US$3.99
SHA9D01 RS485 5V Industrial Temperature & Humidity SHT30 Sensor Adapter Board RS485 TTL Modbus Rtu Analog Remote IO SHA9D01 Module HMI PLC Expand
US$3.99
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