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Illumination Sensor Intensity Transmitter 485 Three in One Temperature Humidity and Illuminance Meter
$7.25-11.69
Min. order 5 pieces
SHT20 Temperature and Humidity Sensor Module RS485 High Precision Monitor Transmitter Temperature Humidity Sensor Probe
$5.83-6.34
Min. order 5 pieces
XY-MD02 Temperature and Humidity Transmitter Detection Sensor Module Modbus SHT40 Temperature Sensor RS485 Signal Analog
$5.50-5.98
Min. order 5 pieces
Temperature and Humidity Meter Industrial Grade High Precision LCD Temperature and Humidity Sensor 485modbus
$18.12-32.97
Min. order 1 piece
relay module
All products
module board
relay module
DC 12V Time Delay Relay Mini LED Digital Timer Relay Timing Delay Cycle Time Control Switch Dual Display Time Relay Module Home
$2.20-2.50
Min. Order: 20 pieces
DC 12V 24V AC 110V 220V Programmable Digital Time Delay Switch Relay T2310 Open Timer Control Module 0-999s/min/hour
$3.20-3.50
Min. Order: 10 pieces
150 sold
Type-C USB Female Input DC DC Boost Step-up Converter 5V to 6V 9V 12V 15V 24V Power Module DDTC12UA
$1-2
Min. Order: 20 pieces
Relays SRD-03VDC-SL-C SRD-05VDC-SL-C SRD-06VDC-SL-C SRD-09VDC-SL-C SRD-12VDC-SL-C 3V 5V 6V 9V 12V 24V 48V 10A 250VAC 5PIN
$0.10-0.30
Min. Order: 50 pieces
DDC-432 Dual MOS LED Digital Delay Controller Time Delay Relay Trigger Cycle Timer Delay Switch Timing Control Module DC 12V 24V
$1.50-3
Min. Order: 10 pieces
DC 12V 24V AC 110V 220V T2310 Digital Time Controller Timer Relay Module Dual LED Display Timing Relay Switch
$3-4
Min. Order: 10 pieces
DC 5V 12V 24V AC 110V 220V Delay Time Relay Module Timing Cycle Timer Control
$3.50-4.50
Min. Order: 10 pieces
DC 5V 12V Single Key Bond Bistable Relay Module Car Modification Switch Start Stop Self-Locking
$1-1.50
Min. Order: 50 pieces
400 sold
AC 110V 220V 12V Digital Programmable Time Delay Relay Dual LCD Display Cycle Timer Control Switch Adjustable Timing Relay
$3-4
Min. Order: 20 pieces
Digital PID Temperature Controller REX-C100 REX C100 Thermostat + 40DA SSR Relay+ K Thermocouple 1m Probe RKC
$8-8.50
Min. Order: 5 pieces
ZL-RC01 for Mobile BT Control Switch Relay Wireless Door Lock Internet of Things 1 Channel Ibeacon
$6-7
Min. Order: 10 pieces
AC220V Digital Display Time Relay Module Timer Cycle Control Relay Module
$5-5.50
Min. Order: 10 pieces
Solid State Relay G3MB-202P-5VDC G3MB-202P-5V G3MB-202P DC-AC PCB SSR in 5VDC Out 240V AC 2A
$0.50-0.55
Min. Order: 50 pieces
R421C32 DC12V 32 Channels Modbus RTU RS485 Bus Relay Module UART Serial Port Board for PLC LED Home Automation Door Lock
$37-39
Min. Order: 5 pieces
16ch DC 12V RS-485 Modbus RTU Relay Board RS485 Bus Remote Control Switch for LED Motor PLC PTZ Camera Smart Home
$18-19
Min. Order: 5 pieces
2-way 30A High and Low Level Trigger Relay Module 5V Smart Home Automation Control
$2.50-2.80
Min. Order: 10 pieces