Relay Module
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Tuya 4-way WiFi bluetooth Remote Relay Module AC220V 433MHz Power Supply Mobile APP Control Smart Switch
$25.19
Sale!

XH-M213 5V 12V 1CH Relay Module Optocoupler Isolation High Level Trigger Relay Switch Board
$5.46
Sale!

8 Channel DC 12V Relay Module Solid State High and low Level Trigger 240V2A
Out of Stock
$15.64
- 44%

SANMIM DC 5V 1A 5W Precision AC To DC Isolated Switch Power Supply Module MCU Relay Module
$12.96
- 47%

BESTEP 1 Channel 24V Relay Module 30A With Optocoupler Isolation Support High And Low Level Trigger
$11.46
- 19%

DC 8V To 36V Industrial Grade 8 Channel Multi-function Relay Module Wide Voltage Supply Module
$44.68

LILYGO TTGO T-Relay ESP32 Chip DC 5V 4 Groups Relay 4MB Flash IoT Relay Suport WiFi Bluetooth
$25.19
Sale!

Multifunction Pulse Counter Switch Adjustable Timer Delay Turn On/Off Relay Module DC 5V 12V 24V
Out of Stock
$7.71
Sale!

2-way Ethernet Relay Network Switch Delay TCPUDP Module Controller WeChat Cloud Remote Control
$9.96 – $48.67
Sale!

5V/12V ESP8266 4 Channels WiFi Relay Internet of Things Smart Home Mobile APP Remote Control Switch
$12.96

DC 12V 24V 32CH Optically Isolated Input PNP NPN Switch Digital Collector RS485 Modbus RTU Module
Out of Stock
$27.99 – $33.24
Sale!

1/2/4/6/8/16 Relay Module 8 Channel with Optocoupler Relay Output 1 2 4 6 Relay Module 8 Channels Low Level Trigger 5/12/24V
$5.46 – $14.46

N722A04+TB411+UD68B01 N76E003 MCU Development Board MS51FB9AE Digital Tube LED Infrared Optocoupler RS485 Relay Module
$29.25

with TVS protected DC 12V 8Ch RS485 Relay Module Modbus RTU 03 06 16 Function Code DIN Shell Switch Board
$27.99
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DC 12V 24V 8DI 8DO Multifunction RS485 Modbus RTU Relay Module Support 01 05 15 02 03 06 16 Function Code Switch Control Board
Out of Stock
$27.99 – $33.24

M5Stack 4-Relay Module for M5Stack Core Core2 4-channel Mechanical Relays Supports I2C Protocol
$28.85
Sale!

T2401-O T2401-N DC 12V Dual LED Display Time Relay Module Digital Time Delay Relay Cycle Timer Switch Control Module Active/Passive Output
$8.01

8CH 433M Bidirectional IO Controller Point-to-Point Feedback Remote Controller Relay Swicth Module for Garage Security PTZ
Out of Stock
$34.57 – $39.89