购买 arduino bluetooth relay

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$15.13
Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module
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Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module
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Dieserc 2X2 Channels Wifi Smart Switch With 1X Bluetooth Transmitter, DC 5V 12V 24V Passive Output Relay Module Ewelink APP Wifi Control Compatible
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Dieserc 2X2 Channels Wifi Smart Switch With 1X Bluetooth Transmitter, DC 5V 12V 24V Passive Output Relay Module Ewelink APP Wifi Control Compatible
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4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
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4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
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Dieserc 4X1 Channel Wifi Smart Switch With 1X Bluetooth Transmitter, DC 5V 12V 24V Passive Output Relay Module Ewelink APP Wifi Control Compatible
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Dieserc 4X1 Channel Wifi Smart Switch With 1X Bluetooth Transmitter, DC 5V 12V 24V Passive Output Relay Module Ewelink APP Wifi Control Compatible
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127
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8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
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102
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8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
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102
$17.99
Fainwan 2Pcs 8 Channel DC 5V Relay Module With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Rasp-Berry Pi
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1
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Fainwan 2Pcs 8 Channel DC 5V Relay Module With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Rasp-Berry Pi
Amazon.com
1
$1.50
5V 12V 24V 1-Channel Relay Module Shield (5V)
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$1.50
5V 12V 24V 1-Channel Relay Module Shield (5V)
Amazon.com
$21.99
Yitouniu 4CH Wireless Relay Module | Smart Home Control | Remote Switch | Self-Locking Mode | Tuya APP & Bluetooth Compatible
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11
$21.99
Yitouniu 4CH Wireless Relay Module | Smart Home Control | Remote Switch | Self-Locking Mode | Tuya APP & Bluetooth Compatible
Amazon.com
11
$14.99
Newgoal 2 Channel Ewelink Wireless Switch With Enclosure Wifi Switch Module Remote Control DIY Smart Home Bluetooth Relay 5V/AC85V-250V Power Input
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420
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Newgoal 2 Channel Ewelink Wireless Switch With Enclosure Wifi Switch Module Remote Control DIY Smart Home Bluetooth Relay 5V/AC85V-250V Power Input
Amazon.com
420
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Yitouniu 4 Channel Tuya Smart Life Wifi Momentary Inching Relay Self-Locking Switch Module,AC 85-250V/USB 5V Wifi RF Bluetooth Relay, Compatible With
Amazon.com
$22.99
Yitouniu 4 Channel Tuya Smart Life Wifi Momentary Inching Relay Self-Locking Switch Module,AC 85-250V/USB 5V Wifi RF Bluetooth Relay, Compatible With
Amazon.com
$39.60
10Pcs 5V Dc 1Channel Bluetooth Relay Module App Control Switch Iot
eBay
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10Pcs 5V Dc 1Channel Bluetooth Relay Module App Control Switch Iot
eBay
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$13.99
AITIAO 3Pcs HM-10 Bluetooth Module CC2540 CC2541 AT-09 Serial Wireless Module BLE 4.0 Bluetooth Compatible
Amazon.com
16
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AITIAO 3Pcs HM-10 Bluetooth Module CC2540 CC2541 AT-09 Serial Wireless Module BLE 4.0 Bluetooth Compatible
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16
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Cenrykay DC 5V 2 Channel Relay Module With Isolated Optocoupler High And Low Level H/L Level Trigger Module Triggered By DC 5V(6PCS)
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79
$18.99
Cenrykay DC 5V 2 Channel Relay Module With Isolated Optocoupler High And Low Level H/L Level Trigger Module Triggered By DC 5V(6PCS)
Amazon.com
79
$7.11
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
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9
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Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
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9
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Tuya 4 Channel Updated USB 5V/DC/AC 7-32V, Momentary Inching Self-Locking Relay Module,Tuya App Remote Control,Wifi RF Bluetooth Switch Module,Dry
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8
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Tuya 4 Channel Updated USB 5V/DC/AC 7-32V, Momentary Inching Self-Locking Relay Module,Tuya App Remote Control,Wifi RF Bluetooth Switch Module,Dry
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8
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2 Channel 2CH DC 5V 12V 24V IR Infrared Remote Control Switch High-Current Relay Module Board LED Status Indicator 5V -24V (5V)
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1
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2 Channel 2CH DC 5V 12V 24V IR Infrared Remote Control Switch High-Current Relay Module Board LED Status Indicator 5V -24V (5V)
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1
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
315
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Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
315
$118.68
1 Pcs For UNO R3 Arduino PLC RS485 Remote IO DIY ADC Collection Relay Module DC 7-30V 6AI-6DI-4DO Multifunction Expanding Board(Only Board)
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1 Pcs For UNO R3 Arduino PLC RS485 Remote IO DIY ADC Collection Relay Module DC 7-30V 6AI-6DI-4DO Multifunction Expanding Board(Only Board)
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$39.99
Sainsmart 16-Channel 9-36V USB Relay Module
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Sainsmart 16-Channel 9-36V USB Relay Module
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(10Pcs)1 Channel 5V/12V/24V Relay Module With Optocoupler Isolation Support High/Low Level Trigger Development Boards (5, Volts)
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(10Pcs)1 Channel 5V/12V/24V Relay Module With Optocoupler Isolation Support High/Low Level Trigger Development Boards (5, Volts)
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$2.70
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
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$2.70
5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (12V)
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$34.99
Waveshare Expansion Board 8 Channel Relay Expansion Board 5V Power Supply Compatible With Raspberry Pi A+/B+/2B/3B/3B+ Control High Voltage Home
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25
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Waveshare Expansion Board 8 Channel Relay Expansion Board 5V Power Supply Compatible With Raspberry Pi A+/B+/2B/3B/3B+ Control High Voltage Home
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25
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JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
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JESSINIE 5V 30A Relay Module, 1 Channel, Optocoupler Isolation, High/Low Trigger For Automation Control
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Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
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76
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Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
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76
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
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5V 12V 24V 2-Channel Relay Module Shield For Arduino ARM PIC AVR DSP Electronic 5V 10A 2 Channel Relay M (24V)
Amazon.com
$1.05
$1.59
4/8Way ESP32 RS485 Modbus WIFI Bluetooth Relay Module DC 9-24V Optocoupler Isolated Relay Module
Aliexpress
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$1.05
$1.59
4/8Way ESP32 RS485 Modbus WIFI Bluetooth Relay Module DC 9-24V Optocoupler Isolated Relay Module
Aliexpress
$23.47
3 Bluetooth Wifi Wireless Smart Home Relay Module App Control Switch
eBay
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$23.47
3 Bluetooth Wifi Wireless Smart Home Relay Module App Control Switch
eBay
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$9.20
$18.40
ESP32E WIFI Bluetooth BLE Four-Way 30A Relay Module ESP32 Development Board AC Power Supply
Aliexpress
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ESP32E WIFI Bluetooth BLE Four-Way 30A Relay Module ESP32 Development Board AC Power Supply
Aliexpress
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ESP32 RS485 Modbus Wifi Bluetooth Relay Optocoupler Isolation Module Tyep C 4/8 Channel Relay Module
Aliexpress
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$3.16
$6.40
ESP32 RS485 Modbus Wifi Bluetooth Relay Optocoupler Isolation Module Tyep C 4/8 Channel Relay Module
Aliexpress
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$9.20
$19.43
AC90-250V ESP32 Wifi Bluetooth Single Relay Switch Module Board ESP32 Development Board 4m Byte
Aliexpress
折扣 52%
$9.20
$19.43
AC90-250V ESP32 Wifi Bluetooth Single Relay Switch Module Board ESP32 Development Board 4m Byte
Aliexpress
$71.95
AAC Trigger ONE Bluetooth Relay
New Level Motor Sports
1
$71.95
AAC Trigger ONE Bluetooth Relay
New Level Motor Sports
1
$6.99
NOYITO 1 Channel Relay Module With Isolated Optocoupler 5V 12V 24V High Low Level Trigger Module Triggered (Pack Of 3) (5V, Red)
Amazon.com
$6.99
NOYITO 1 Channel Relay Module With Isolated Optocoupler 5V 12V 24V High Low Level Trigger Module Triggered (Pack Of 3) (5V, Red)
Amazon.com
$8.92
ESP32 Relay Module AC / DC Power Supply Wifi Bluetooth BLE 2 Channel / 4 Channel Relay Module ESP32
Aliexpress
$8.92
ESP32 Relay Module AC / DC Power Supply Wifi Bluetooth BLE 2 Channel / 4 Channel Relay Module ESP32
Aliexpress
$11.39
Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
Amazon.com
31
$11.39
Hiletgo 5V 8 Channel Relay Module With OPTO-Isolated Support High And Low Level Trigger
Amazon.com
31
$8.49
AC Powered ESP32 Wifi Bluetooth Ble Single Relay Module ESP32 Development Board I/O Port UART
Aliexpress
$8.49
AC Powered ESP32 Wifi Bluetooth Ble Single Relay Module ESP32 Development Board I/O Port UART
Aliexpress
$7.50
ESP32 ESP32-WROOM ESP-32 4 Channel Relay Module WIFI Bluetooth BLE Development Board AC 220V / DC
Aliexpress
Free shipping
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ESP32 ESP32-WROOM ESP-32 4 Channel Relay Module WIFI Bluetooth BLE Development Board AC 220V / DC
Aliexpress
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ARDUINO – BLUETOOTH 4 CHANELL APPS.
ARDUINO – BLUETOOTH 4 CHANELL APPS.
2020年10月14日
instructables.com
Arduino Relay Control Tutorial
0:18
Arduino Relay Control Tutorial
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circuitdigest.com
Trying to code a Arduino Bluetooth with relay to turn on/off automatically
Trying to code a Arduino Bluetooth with relay to turn on/off automatic…
2021年3月25日
mit.edu
Arduino Relay Project using Bluetooth IR & EEPROM - 2026
Arduino Relay Project using Bluetooth IR & EEPROM - 2026
2022年1月18日
iotcircuithub.com
How to Control a Relay With Arduino
How to Control a Relay With Arduino
2020年10月8日
instructables.com
How to Set Up a 5V Relay on the Arduino
How to Set Up a 5V Relay on the Arduino
2015年11月28日
circuitbasics.com
Arduino Relay Basics - How It Works and How to Use It
Arduino Relay Basics - How It Works and How to Use It
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instructables.com
Arduino – Bluetooth 12 Channel Relay App
2022年12月30日
arduino.cc
Arduino – Bluetooth 4 Channel Relay App
2023年5月25日
arduino.cc
ARDUINO – BLUETOOTH 8 CHANELL APPS.
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instructables.com
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Arduino Basics - Relays
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Arduino Dashboard Relay Tutorial
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Arduino Wireless Communication – NRF24L01 Tutorial
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Arduino Tutorial HC 06 Bluetooth Module
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Smart Light | LDR | Relay | Arduino Uno | Arduino project | Smart Bul…
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Arduino Controlled Relay Module | Home Automation | Tutorial
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HOW TO INTERFACE 5V 4 CHANNEL RELAY MODULE WITH …
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22:10
DIY Smart Home Appliance Control Via bluetooth
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4:41
How to use an Arduino Relay Module
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10:18
Home Automation using ESP32 Bluetooth and IR remote control R…
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Arduino Two-Way Bluetooth Communication Tutorial
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10:10
RemoteXY with Bluetooth and Arduino Tutorial
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21:29
Home Automation using arduino bluetooth | Smart Home | Manual a…
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ESP32 Bluetooth Classic with Arduino IDE - Getting Started
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#9 - Arduino - Connecting a Relay Module
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11:41
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9:00
How to use Bluetooth control Relay with Arduino.
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购买 arduino bluetooth relay

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$15.13
Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module
Amazon.com
80
$15.13
Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module
Amazon.com
80
$31.99
Dieserc 2X2 Channels Wifi Smart Switch With 1X Bluetooth Transmitter, DC 5V 12V 24V Passive Output Relay Module Ewelink APP Wifi Control Compatible
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265
$31.99
Dieserc 2X2 Channels Wifi Smart Switch With 1X Bluetooth Transmitter, DC 5V 12V 24V Passive Output Relay Module Ewelink APP Wifi Control Compatible
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265
$9.99
4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
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8
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4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
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8
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Dieserc 4X1 Channel Wifi Smart Switch With 1X Bluetooth Transmitter, DC 5V 12V 24V Passive Output Relay Module Ewelink APP Wifi Control Compatible
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127
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Dieserc 4X1 Channel Wifi Smart Switch With 1X Bluetooth Transmitter, DC 5V 12V 24V Passive Output Relay Module Ewelink APP Wifi Control Compatible
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127
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
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102
$10.97
8 Channel 5V Relay Module With Optocoupler Isolation Support High And Low Level Red Board
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102
$17.99
Fainwan 2Pcs 8 Channel DC 5V Relay Module With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Rasp-Berry Pi
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1
$17.99
Fainwan 2Pcs 8 Channel DC 5V Relay Module With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Rasp-Berry Pi
Amazon.com
1
$1.50
5V 12V 24V 1-Channel Relay Module Shield (5V)
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$1.50
5V 12V 24V 1-Channel Relay Module Shield (5V)
Amazon.com
$21.99
Yitouniu 4CH Wireless Relay Module | Smart Home Control | Remote Switch | Self-Locking Mode | Tuya APP & Bluetooth Compatible
Amazon.com
11
$21.99
Yitouniu 4CH Wireless Relay Module | Smart Home Control | Remote Switch | Self-Locking Mode | Tuya APP & Bluetooth Compatible
Amazon.com
11
$14.99
Newgoal 2 Channel Ewelink Wireless Switch With Enclosure Wifi Switch Module Remote Control DIY Smart Home Bluetooth Relay 5V/AC85V-250V Power Input
Amazon.com
420
$14.99
Newgoal 2 Channel Ewelink Wireless Switch With Enclosure Wifi Switch Module Remote Control DIY Smart Home Bluetooth Relay 5V/AC85V-250V Power Input
Amazon.com
420
$22.99
Yitouniu 4 Channel Tuya Smart Life Wifi Momentary Inching Relay Self-Locking Switch Module,AC 85-250V/USB 5V Wifi RF Bluetooth Relay, Compatible With
Amazon.com
$22.99
Yitouniu 4 Channel Tuya Smart Life Wifi Momentary Inching Relay Self-Locking Switch Module,AC 85-250V/USB 5V Wifi RF Bluetooth Relay, Compatible With
Amazon.com
$39.60
10Pcs 5V Dc 1Channel Bluetooth Relay Module App Control Switch Iot
eBay
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$39.60
10Pcs 5V Dc 1Channel Bluetooth Relay Module App Control Switch Iot
eBay
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$13.99
AITIAO 3Pcs HM-10 Bluetooth Module CC2540 CC2541 AT-09 Serial Wireless Module BLE 4.0 Bluetooth Compatible
Amazon.com
16
$13.99
AITIAO 3Pcs HM-10 Bluetooth Module CC2540 CC2541 AT-09 Serial Wireless Module BLE 4.0 Bluetooth Compatible
Amazon.com
16
$18.99
Cenrykay DC 5V 2 Channel Relay Module With Isolated Optocoupler High And Low Level H/L Level Trigger Module Triggered By DC 5V(6PCS)
Amazon.com
79
$18.99
Cenrykay DC 5V 2 Channel Relay Module With Isolated Optocoupler High And Low Level H/L Level Trigger Module Triggered By DC 5V(6PCS)
Amazon.com
79
$7.11
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
9
$7.11
Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)
Amazon.com
9
$22.88
Tuya 4 Channel Updated USB 5V/DC/AC 7-32V, Momentary Inching Self-Locking Relay Module,Tuya App Remote Control,Wifi RF Bluetooth Switch Module,Dry
Amazon.com
8
$22.88
Tuya 4 Channel Updated USB 5V/DC/AC 7-32V, Momentary Inching Self-Locking Relay Module,Tuya App Remote Control,Wifi RF Bluetooth Switch Module,Dry
Amazon.com
8
$7.00
2 Channel 2CH DC 5V 12V 24V IR Infrared Remote Control Switch High-Current Relay Module Board LED Status Indicator 5V -24V (5V)
Amazon.com
1
$7.00
2 Channel 2CH DC 5V 12V 24V IR Infrared Remote Control Switch High-Current Relay Module Board LED Status Indicator 5V -24V (5V)
Amazon.com
1
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
315
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
315
$118.68
1 Pcs For UNO R3 Arduino PLC RS485 Remote IO DIY ADC Collection Relay Module DC 7-30V 6AI-6DI-4DO Multifunction Expanding Board(Only Board)
Amazon.com
Free shipping
$118.68
1 Pcs For UNO R3 Arduino PLC RS485 Remote IO DIY ADC Collection Relay Module DC 7-30V 6AI-6DI-4DO Multifunction Expanding Board(Only Board)
Amazon.com
Free shipping