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USB Serial Port Control Relay Module Sturdy Durable Lightweight USB Relay Module USB Intelligent Control Switch Overcurrent Protection Intelligent Command Control Switch Intelligent Home
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  • $16.43 
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  • $14.83 - $16.43
E3F-DS10B2 Proximity Switch Photoelectric Sensor 10cm Detection Distance Diffuse Reflection Infrared Sensor DC 6-36V 3-Wire NPN NC
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  • $16.08 
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  • $14.48 - $16.08
E3F-DS50C4 Proximity Switch Photoelectric Sensor Switch 50 cm Adjustable Detection Distance Diffuse Reflection Infrared Switch DC 6-36V 3-Wire NPN NO
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  • $15.98 
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  • $14.38 - $15.98
3Pcs 1Channel AC Optocoupler Module 220V Voltage Detect Optocoupler Isolation Microcontroller TTL Level 3V-5V
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  • $16.73 
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  • $15.13 - $16.73
360 Degree Rotary Encoder Code Switch Digital Potentiometer EC12 5 Pins 14.3mm D-Shaft 5pcs
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  • $9.99 
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12V Dual Way Bluetooth Relay Module 12V 10A Wireless Smart Relay Module IoT Smart Home Phone APP Remote Control Switch
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  • $16.73 
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  • $15.13 - $16.73
ESP8266 5V 30A Relay Module, 2 Channel ESP-12F Development Board for Smart Home IoT, DC7-80V Power Supply
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  • $19.56 
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  • $17.96 - $19.56
12V Bluetooth Relay Module - Mobile Phone Wireless Remote Control Switch - IoT
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12V Bluetooth Relay Module - Mobile Phone Wireless Remote Control Switch - IoT

Limited time offer, ends 09/13

  • Model #: ZP0811ZP.2026110
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  • $16.73 
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  • $15.13 - $16.73
12V Bistable Relay Module Single Key Switch for Automotive Tuning Self-Locking One Touch Start-Stop Button
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  • $16.95 
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  • $15.35 - $16.95
5V Bistable Relay Module Single Key Switch for Automotive Tuning Self-Locking One Touch Start-Stop Button
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  • $16.78 
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  • $15.18 - $16.78
10PCS PIR Motion Sensor Light Switch AC85-265V Led Light Pir Infrared Human Body Induction Sensor Home Smart Detector Inductor Switch
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  • $33.81 
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  • $32.21 - $33.81
5pcs SingleChannel Relay Timer Module, Delay ON Off Cycle Control, 630 V Wide Voltage, TypeC Power
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  • $19.50 
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  • $17.90 - $19.50
5V 1 Channel Solid State Relay Module, Low Level Trigger, 5A DC Control for Raspberry Pi
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  • $16.46 
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  • $14.86 - $16.46
12V 2 Channel Solid State Relay Module, Low Level Trigger, 5A DC Control for Raspberry Pi
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  • $15.97 
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  • $14.37 - $15.97
0-5A AC Current Detection Sensor Module Switch Output (DC 24V, Green)
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0-5A AC Current Detection Sensor Module Switch Output (DC 24V, Green)

Limited time offer, ends 09/13

  • Model #: 20260830ZP55C5JS
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  • $16.18 
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  • $14.58 - $16.18
0-5A AC Current Detection Sensor Module Switch Output (DC 12V, Green)
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0-5A AC Current Detection Sensor Module Switch Output (DC 12V, Green)

Limited time offer, ends 09/13

  • Model #: 20260830ZP56C5JS
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  • $16.18 
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  • $14.58 - $16.18
0-5A AC Current Detection Sensor Module Switch Output (DC 5V, Green)
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0-5A AC Current Detection Sensor Module Switch Output (DC 5V, Green)

Limited time offer, ends 09/13

  • Model #: 20260830ZP54C5JS
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  • $16.18 
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  • $14.58 - $16.18
ESP8266 24V Relay Module, 16 Channel 10A ESP-12F Development Board for Smart Home IoT, DC24V Power Supply
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  • $36.46 
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  • $34.86 - $36.46
24V 2 Channel Solid State Relay Module, Low Level Trigger, 5A DC Control for Raspberry Pi
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  • $16.13 
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  • $14.53 - $16.13
5Pcs 12V 300mA Power Supply Module 3.5W AC-DC Isolation Switch Power Module 220V to 12V Buck Converter Board Module
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  • $16.73 
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  • $15.13 - $16.73
5V1A Wireless Power Transfer Module Wireless Charging Transmitter Receiver Inductive Coil Circuit Board Module Fun DIY Kit
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  • $16.93 
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  • $15.33 - $16.93
HW-521B 1-Channel Timer Relay Module Delay DC 6-30V Power Off Disconnect Trigger Delay Cycle Timer with LED Display Circuit On Type-C USB-C Interface, Smart Home Controller
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  • $18.76 
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  • $17.16 - $18.76
E3F-DS30P2 Proximity Switch Photoelectric Sensor Switch 30 cm Adjustable Detection Distance Diffuse Reflection Infrared Switch DC 6-36V 3-Wire PNP NC
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  • $17.03 
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  • $15.43 - $17.03
ZK-KTD2 DC 5-30V Delay Relay Module, 5A Multi-Function Timer for Industrial Automation, Compatible with 5V 12V 24V Systems
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  • $16.79 
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  • $15.19 - $16.79
10pcs PIR Motion Sensor Light Switch AC85-265V LED Smart Detector
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10pcs PIR Motion Sensor Light Switch AC85-265V LED Smart Detector

Limited time offer, ends 09/15

  • Model #: CJJGZMC7AZ-0821-156
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  • $37.98 
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2 Pack 5V 2-Channel Relay Module with Optocoupler, Red Expansion Board Supports High/Low Level Trigger 2-Way OPTO
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  • $16.27 
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  • $14.67 - $16.27
ESP8266 Dual Relay Module, 2 Channel 10A ESP-12F Development Board for Smart Home IoT, 5V/8-80V Power Supply
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  • $17.66 
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  • $16.06 - $17.66
Raspberry Pi Relay Module HAT Expansion Board Three Channel (3-CH) Power Relay Module for Raspberry Pi 4B/3B+/3B/2B/A+/B+ for Smart Home
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  • $24.48 
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5V USB LED RGB WiFi Controller Bluetooth Remote 4 Pin Male Connector for TV Backlight Light Strip LED RGB Dimmer Home Colorful
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  • $17.41 
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  • $15.81 - $17.41
5Pcs 1 Channel DC 3V/3.3V Power Relay Module 3V Relay Switch Module with Optocoupler Relay Module Isolated Drive Control Board 10A 250VAC 10A 30VDC Control Development Board
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  • $16.73 
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  • $15.13 - $16.73
12V Power On Time Delay Relay Module, Adjustable Delay Timer Circuit Board, for Automation Projects
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  • $15.16 
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  • $13.56 - $15.16
E3F-DS30P1 Proximity Switch Photoelectric Sensor Switch 30cm Adjustable Detection Distance Diffuse Reflection Infrared Switch DC 6-36V 3-Wire PNP NO
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  • $17.03 
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  • $15.43 - $17.03
5 Pairs MC-38 Magnetic Door Switch Window Magnetic Switch Home Alarm Sensor Normally Closed (NC)
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  • $20.99 
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DC 6-30V Timer Relay with LCD Display, 1 Channel Delay Controller Module, Type-C Interface, Power Off Cycle Timer
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  • $15.10 
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  • $13.50 - $15.10
24V 1 Channel Solid State Relay Module, Low Level Trigger, 5A DC Control for Raspberry Pi
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  • $16.46 
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  • $14.86 - $16.46