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DC 12V 24V 16CH Temperature & Humidity Collector RS485 Modbus Rtu Board SHT30 SHT3X Sensor Controller Paperless Recorder
$3.20-13
Min. order 10 pieces
DC 5-28V RS485 Modbus RTU 0.36 0.56 Inch 4-6 Bit Arabic Numerals English Characters Display Module Digital Tube LED Board
$4.10-4.30
Min. order 10 pieces
5V to 9V/12V USB a to DC 5.5*2.1mm Boost DC-DC Converter Voltage Step-up Cable for MEGA2560 Wifi Router Mobile Power ND0507UD
$1.03-1.11
Min. order 30 pieces
8CH DS18B20 Temperature Acquisition Module RS485 3000V Optical Isolation Communication Modbus RTU DC 12V 24V AMDSG08
$13.71-14.90
Min. order 2 pieces
module board
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module board
BT26E01 DC 12V IOS Android BT-Compatible BLE Relay 2.4G RF Remote Control IOT Module Command Customization Switch Board
$3.43-3.71
Min. Order: 10 pieces
30A 12V 24V DC Motor Controller Relay Board Forward Reverse Control Limit Start Stop Switch for Garage Door Crane Elevator
$5.14-5.57
Min. Order: 5 pieces
32ch 20A High Current Ethernet Relay Network Switch Modbus RTU Slave TCP UDP RJ45 12V 24V PLC IO Module
$66.90-72.50
Min. Order: 1 piece
5 sold
12-DI 12-DO DC 12V 24V RS485 IO Board Optically Isolated NPN Input & 12 Relay Output Modbus RTU Module
$16.80-19.50
Min. Order: 2 pieces
10 sold
R4D6F20 20CH RS485 Relay Module 20DO 2DI 2AI PLC IO Expanding Board Modbus RTU 4-20MA 0-10V Current Voltage Input
$20.60-22.30
Min. Order: 1 piece
10 sold
8CH 433M Manual Control IO Relay Module RF Remote Control Wireless Controller Module for Smart Home Motor
$12.20-13.20
Min. Order: 2 pieces
10IOA01 DC 24V 1-12 Channel DI-DO PLC IO Modbus RTU RS485 Relay Switch Expanding for Smart Home Motor PTZ Security Monitor
$4.70-10.80
Min. Order: 5 pieces
KC23C01 DC 5V 12V 24V Multifunction Pulse Counter Trigger Delay Timer Relay Simple PLC Module for Smart Home
$3.10-3.40
Min. Order: 10 pieces
4bit UART TTL Serial Port Digital Tube Display Module Replace TM1650 MAX7219 TM1637 74HC595 for Arduiuo NODEMCU Pi
$1.20-1.30
Min. Order: 30 pieces
3Ch 1Hz-20kHz Duty Cycle Frequency Adjustable PWM Square Wave Pulse Generator UART RS232 RS485 Bus Modbus RTU Board
$2.60-2.80
Min. Order: 20 pieces
5 sold
4ch DC 5V 12V 24V DIP Switch Delay Relay Module Flip-Flop Latch Bistable Self-locking Interlock Latch Power Conditioner IO26G04
$3.10-3.50
Min. Order: 10 pieces
8Ch Network Ethernet RS485 Multifunction Relay Module Modbus Slave RTU TCP/IP UART Switch Board for PLC Industrial Control
$14-18.50
Min. Order: 2 pieces
IO32G01 Driving Recorder Stereo Ambient Light 20A DC 12V Car ACC Trigger Delay Power-off Switch Board Timing Switch Relay Module
$2.10-2.30
Min. Order: 20 pieces
DC 12V 24V Multifunction RS485 IO Board 8 Optically Isolated NPN Input & 8 Relay Output Modbus RTU Module
$15-16.50
Min. Order: 2 pieces
RTTXA08 RTRXA08 8 Channels 433M Bidirectional IO Controller Point-to-Point Feedback Wireless Switch Relay Module
$18.60-22.30
Min. Order: 1 piece
200w 12v 24V DC Motor Driver Module 433M Wireless Remote Controller Forward Reverse Limit Speed Board
$2.50-19.30
Min. Order: 2 pieces
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