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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

Model #: C75J*OYJ*G1*0819-115

$13.99
$12^.93 –
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AJMRTC TS5A23157 CJMCU-23157 Dual Channel 10 SPDT Analog Switch Module Development Board, Low On Resistance Signal Switching Board for Arduino Raspberry Pi Circuit Test & Electronic DIY Projects

Model #: AJ-JY00277

$11^.79 –
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AJMRTC ESP32 Development Board 4Channel BT Relay Module, AC 220V 30A 4 Way Relay Control Board, Bluetooth Wireless Switch Module, Supports Secondary Development for Home Automation DIY IoT Project

Model #: AJ*C8JM*U2079

$23^.13 –
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AJMRTC ESP8266 Single Channel Relay Module with ESP-12F Development Board, DC5-80V Wide Voltage Power Supply Relay Control Board, Wireless WiFi Switch for Smart Home Automation & IoT Projects

Model #: AJ-JY0055

$11^.79 –
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AJMRTC 1Set 1 Channel Relay Shield for Wemos D1 Mini ESP8266 Development Board, Relay Module for Smart Home Switch, IoT Project Control

Model #: AJM-C8JM0C1232

$12^.09 –
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AJMRTC ESP8266 ESP-12F Single Channel Relay Module Development Board, DC 5-80V Wide Voltage Power Supply Wireless Wi-Fi Relay Switch for IoT Smart Home Automation Control

Model #: AJM-C8JM0C397

$16^.48 –
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AJMRTC EC11 Rotary Encoder Module with Knob Cap, 360° Infinite Rotation Digital Potentiometer Push Button Switch, Brick Sensor Development Board for Arduino, Audio Volume Control, DIY Electronic Proje

Model #: AJM-C8JM0C1521

$12^.01 –
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AJMRTC DC 5-80V ESP8266 ESP-12F Single Channel Relay Module, WIFI Wireless Relay Switch Development Board, Wide Voltage Power Supply for IoT Smart Home Industrial Control

Model #: AJM-C8JM0C152

$16^.48 –
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1 Channel ESP8266 WiFi Relay ESP-12F Development Board Module Optocoupler Isolation 30A for Smart Home Wireless Control DC7-28/5V

Model #: C75J*OYJ*G1*0819-305

$13^.99 –
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ESP8266 Dual Relay Module, 2 Channel 10A ESP-12F Development Board for Smart Home IoT, 5V/8-80V Power Supply

Model #: C75J*OYJ*G1*0819-325

$16^.86 –
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ESP8266 24V Relay Module, 16 Channel 10A ESP-12F Development Board for Smart Home IoT, DC24V Power Supply

Model #: C75J*OYJ*G1*0819-324

$37^.66 –
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ESP8266 5V 30A Relay Module, 2 Channel ESP-12F Development Board for Smart Home IoT, DC7-80V Power Supply

Model #: C75J*OYJ*G1*0819-327

$20^.76 –
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NOYITO 5-Channel Five Direction Button Module 5D Rocker Joystick Development Board - Up Down Left Right Center Click Switch Module

Model #: XM729-MKC6T1-335

$14^.97 –
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8 Pack 3V 1 Channel Relay Power Switch Module with Optocoupler Opto Isolation High Level Trigger for IOT ESP8266 Development Board

Model #: B3EW.111779

$19^.79 –
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AJMRTC ESP8266 Single Channel Relay Module ESP-12F Development Board, DC 5-80V Wide Voltage Power Supply Wireless Relay Switch for IoT Smart Home Automation Projects

Model #: AJM-C8JM0C396

$16^.24 –
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K210 Vision Camera Module for Arduino Raspberry Pi Jetson Nano ESP32, Touch Control Smart AI USB Camera Open Source Robot Maker Python Development Board CanMV Sensor - WonderMV

Model #: 353773555858

$99^.99 –
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AJMRTC Single Channel 3V Relay Isolated Drive Control Module, High Level Trigger Relay Switch Board with Optocoupler Isolation, 3.0V Input Relay Driver for MCU, Arduino, ESP32 Industrial Control DIY

Model #: AJM-C8JM0C1525

$12^.34 –
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Offline Voice Recognition Trigger Module, Standalone Speech Control Relay Board (Supports Custom Commands) for Smart Home DIY (NOT an AI Chatbot)

Type: Relay Switch
Application: Home Automation
Features: Offline voice recognition, standalone operation, custom voice commands, no internet required, standard interfaces for microcontrollers and Arduino
Model #: 986416606227

$21^.99 –
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AJMRTC 1 Channel IR Infrared Receiver Relay Driver Module, 5V Infrared Driving Switch Board with Active Remote Controller, Wireless Remote Control Relay Switch for Electronic DIY, Light & Device Contr

Model #: AJM-C8JM0C1596

$13^.79 –
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ESP8266 Relay Module, WiFi Smart Remote Control Switch with ESP-01S Module, Wireless Relay Controller, DIY Smart Socket Board, Mobile App Remote On/Off Control for Home Automation Projects

Model #: TECH CABIN - TCH236

$18^.35 –
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General Driver Board for Robots Based on ESP32 Supports WiFi Bluetooth and ESP-Now Communications Compatible with Raspberry Pi and Jetson Nano @

Model #: XMCH729-C6T1377

$107^.94 –
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200PCS 6MM Micro Miniature Slide Switch 50V 0.5A DC G6 1P2T SPDT ON/Off Latching Toggle Switch SS12F15 for DIY Power Electronic Projects

Model #: Kepler-8.10-OYS-218

$12^.99 –
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Jetson Nano Expansion Board Power 3-Ch Relay Module, Optocoupler Isolation @

Model #: XMCH729-C6T1389

$74^.94 –
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1pc Grove - 4-Channel SPDT Relay

Model #: CJJGZMC7AZ-0821-098

$58^.98 –
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1pc 1-Channel Relay Module for XIAO

Model #: CJJGZMC7AZ-0821-097

$22^.38 –
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Coowell Raspberry Pi 8 Channel Relay Module HAT for Raspberry Pi 4B+ 4B 3B+ 3B 2B+ Zero W WH Jetson Nano Help The Pi to Control Home Appliances

Model #: 9158154850741

$58^.19 –
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Switches & Relays