购买 arduino uno relay

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$11.39
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
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31
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Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
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Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
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377
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Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
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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
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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
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Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
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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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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)
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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 (12V)
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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 (12V)
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$28.40
Arduino 4 Relays Shield [A000110] - 4-Channel Relay Module, 5V Control, 10A Rating, Opto-Isolated, Supports AC/DC Loads, Compatible With Arduino IDE
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36
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Arduino 4 Relays Shield [A000110] - 4-Channel Relay Module, 5V Control, 10A Rating, Opto-Isolated, Supports AC/DC Loads, Compatible With Arduino IDE
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36
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
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333
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ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
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333
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Vilros Arduino Uno Starter Kit - Includes Arduino Uno R3 Board, 190+ Electronics Components, Breadboard, Jumper Wires, DC Motor, Servo, Relay,
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Vilros Arduino Uno Starter Kit - Includes Arduino Uno R3 Board, 190+ Electronics Components, Breadboard, Jumper Wires, DC Motor, Servo, Relay,
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838
$18.46
Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module
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84
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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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84
$5.00
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4-Channel 5V DC To AC Solid State Relay Module, Low Level Trigger, 250V 2A Output, For Arduino Projects, With Built-In Resistive Fuse
Amazon.com
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$5.00
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4-Channel 5V DC To AC Solid State Relay Module, Low Level Trigger, 250V 2A Output, For Arduino Projects, With Built-In Resistive Fuse
Amazon.com
$11.18
Hibctr 12V 8-Channel Relay Module With Optocoupler Isolation - High/Low Level Trigger 10A 250VAC For Arduino/PLC Industrial Control
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Hibctr 12V 8-Channel Relay Module With Optocoupler Isolation - High/Low Level Trigger 10A 250VAC For Arduino/PLC Industrial Control
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$15.99
12Pcs 1 Channel Optocoupler Relay High Level Driver Module Optocoupler Relay Module Isolated Drive Control Board 3V/3.3V Relay Power Switch Board For
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4
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12Pcs 1 Channel Optocoupler Relay High Level Driver Module Optocoupler Relay Module Isolated Drive Control Board 3V/3.3V Relay Power Switch Board For
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4
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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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4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
Amazon.com
8
$3.77
$11.47
5V 4 Channel Relay Shield Module For Arduino UNO R3 Mega2560 Electronic 4 Way Four Channel Relay
AliExpress
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$3.77
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5V 4 Channel Relay Shield Module For Arduino UNO R3 Mega2560 Electronic 4 Way Four Channel Relay
AliExpress
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4 Channel 5V Relay Shield Module, Four Way Relay Control Board Relay Expansion Board For Arduino UNO
AliExpress
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4 Channel 5V Relay Shield Module, Four Way Relay Control Board Relay Expansion Board For Arduino UNO
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Wwzmdib Relay Module High And Low Level Trigger Optocoupler Isolation Compatible With For Arduino Raspberry Pi ESP32 STM (1, 4 Channel, 5 V)
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Wwzmdib Relay Module High And Low Level Trigger Optocoupler Isolation Compatible With For Arduino Raspberry Pi ESP32 STM (1, 4 Channel, 5 V)
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5V 4 Channel Relay Shield Module For Arduino UNO R3 ARM PIC AVR DSP Electronic 4 Way Four Channel
AliExpress
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5V 4 Channel Relay Shield Module For Arduino UNO R3 ARM PIC AVR DSP Electronic 4 Way Four Channel
AliExpress
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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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10
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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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10
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Cenrykay 5V 1 Channel Relay Module10pcs 5V Relay Module Board Switch Optocoupler Support High And Low Level Trigger For Arduino
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79
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Cenrykay 5V 1 Channel Relay Module10pcs 5V Relay Module Board Switch Optocoupler Support High And Low Level Trigger For Arduino
Amazon.com
79
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4 Channel 5V Relay Shield Module For Arduino UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry
AliExpress
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4 Channel 5V Relay Shield Module For Arduino UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry
AliExpress
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$26.50
PLC 10MR 10MT For Arduino UNO 2560, AD DA Controller Board Relay Or Transistor Development Board
AliExpress
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PLC 10MR 10MT For Arduino UNO 2560, AD DA Controller Board Relay Or Transistor Development Board
AliExpress
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$35.73
For UNO R3 Arduino PLC RS485 Remote IO Diy ADC Collection Relay Module DC 7-30V 6AI-6DI-4DO
AliExpress
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For UNO R3 Arduino PLC RS485 Remote IO Diy ADC Collection Relay Module DC 7-30V 6AI-6DI-4DO
AliExpress
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JESSINIE 5V 4-Channel Relay Module With Optocoupler Isolation, Supports High And Low Level Trigger, Compatible With Arduino And Raspberry Pi For DIY
Amazon.com
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$7.01
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JESSINIE 5V 4-Channel Relay Module With Optocoupler Isolation, Supports High And Low Level Trigger, Compatible With Arduino And Raspberry Pi For DIY
Amazon.com
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$13.50
TZT UNO R3 Kit Module Sensor With 0.96" OLED 1602 LCD Display,Relay,Servo Motor,DHT11 For Arduino
AliExpress
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TZT UNO R3 Kit Module Sensor With 0.96" OLED 1602 LCD Display,Relay,Servo Motor,DHT11 For Arduino
AliExpress
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Hilitand 2Pcs DC 5V-36V Timer Module Trigger Cycle Delay Timer Switch Turn On/Off Relay Module With LED Display
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Hilitand 2Pcs DC 5V-36V Timer Module Trigger Cycle Delay Timer Switch Turn On/Off Relay Module With LED Display
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TZT UNO R3 Kit Module Sensors With 0.96" OLED 1602 LCD Display,Relay,Servo Motor,DHT11 HC-SR04 For
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TZT UNO R3 Kit Module Sensors With 0.96" OLED 1602 LCD Display,Relay,Servo Motor,DHT11 HC-SR04 For
AliExpress
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A000073 ARDUINO - Components & Relay PC Board Mount Supplies
Radwell.com
3
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A000073 ARDUINO - Components & Relay PC Board Mount Supplies
Radwell.com
3
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Keeyees 5Pcs 1 Channel 5V Relay Module Board Shield KY-019 LED Indicator For Arduino + 3Pcs 20cm 10Pin Female Male Jumper Wires
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85
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Keeyees 5Pcs 1 Channel 5V Relay Module Board Shield KY-019 LED Indicator For Arduino + 3Pcs 20cm 10Pin Female Male Jumper Wires
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$18.17
Keyestudio High Level 4 Channel 5V Relay Shield Module With LED Pilot Lamp For Arduino UNO R3 For
AliExpress
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$18.17
Keyestudio High Level 4 Channel 5V Relay Shield Module With LED Pilot Lamp For Arduino UNO R3 For
AliExpress
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1/2/4CH Self-Locking Flip-Flop Relay Module DC 12V Bistable Low Pulse Trigger For Arduino UNO Rpi
AliExpress
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1/2/4CH Self-Locking Flip-Flop Relay Module DC 12V Bistable Low Pulse Trigger For Arduino UNO Rpi
AliExpress
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Geeekpi 4 Channel Relay Board Module For Raspberry Pi, Power Relay Module For Raspberry Pi 4B/3B+/3/2B (No Programming Required/Programmable)
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Geeekpi 4 Channel Relay Board Module For Raspberry Pi, Power Relay Module For Raspberry Pi 4B/3B+/3/2B (No Programming Required/Programmable)
Amazon.com
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One Way Relay Module 30A High Power High/Low Level Optocoupler Isolation Relay Module Yyg-2(5V Dc) For Relay 30A Yyg 2 Relay 12 Volt Yyg-2 Relay 30A
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One Way Relay Module 30A High Power High/Low Level Optocoupler Isolation Relay Module Yyg-2(5V Dc) For Relay 30A Yyg 2 Relay 12 Volt Yyg-2 Relay 30A
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$0.77
$1.02
One 1 Channel Way 5V 12V Relay Module Board Shield For Arduino With Optocoupler Support High And Low
AliExpress
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$0.77
$1.02
One 1 Channel Way 5V 12V Relay Module Board Shield For Arduino With Optocoupler Support High And Low
AliExpress
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NOYITO 9V 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board
Amazon.com
8
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NOYITO 9V 2-Channel Relay Module High Low Level Trigger With Optocoupler Isolation Relay Load AC 0-250V 10A DC 0-30V 10A Circuit Switch Board
Amazon.com
8
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购买 arduino uno relay

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$11.39
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
Amazon.com
31
$11.39
Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi
Amazon.com
31
$5.89
Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
Amazon.com
377
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Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger
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377
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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
3
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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
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3
$9.89
Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
Amazon.com
965
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Sunfounder 5V 8 Channel Relay Shield Module For Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
Amazon.com
965
$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
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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)
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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 (12V)
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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 (12V)
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$28.40
Arduino 4 Relays Shield [A000110] - 4-Channel Relay Module, 5V Control, 10A Rating, Opto-Isolated, Supports AC/DC Loads, Compatible With Arduino IDE
Amazon.com
36
$28.40
Arduino 4 Relays Shield [A000110] - 4-Channel Relay Module, 5V Control, 10A Rating, Opto-Isolated, Supports AC/DC Loads, Compatible With Arduino IDE
Amazon.com
36
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
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333
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ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
333
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Vilros Arduino Uno Starter Kit - Includes Arduino Uno R3 Board, 190+ Electronics Components, Breadboard, Jumper Wires, DC Motor, Servo, Relay,
Amazon.com
838
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$54.99
Vilros Arduino Uno Starter Kit - Includes Arduino Uno R3 Board, 190+ Electronics Components, Breadboard, Jumper Wires, DC Motor, Servo, Relay,
Amazon.com
838
$18.46
Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module
Amazon.com
84
$18.46
Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module
Amazon.com
84
$5.00
$9.99
4-Channel 5V DC To AC Solid State Relay Module, Low Level Trigger, 250V 2A Output, For Arduino Projects, With Built-In Resistive Fuse
Amazon.com
折扣 49%
$5.00
$9.99
4-Channel 5V DC To AC Solid State Relay Module, Low Level Trigger, 250V 2A Output, For Arduino Projects, With Built-In Resistive Fuse
Amazon.com
$11.18
Hibctr 12V 8-Channel Relay Module With Optocoupler Isolation - High/Low Level Trigger 10A 250VAC For Arduino/PLC Industrial Control
Amazon.com
$11.18
Hibctr 12V 8-Channel Relay Module With Optocoupler Isolation - High/Low Level Trigger 10A 250VAC For Arduino/PLC Industrial Control
Amazon.com
$15.99
12Pcs 1 Channel Optocoupler Relay High Level Driver Module Optocoupler Relay Module Isolated Drive Control Board 3V/3.3V Relay Power Switch Board For
Amazon.com
4
$15.99
12Pcs 1 Channel Optocoupler Relay High Level Driver Module Optocoupler Relay Module Isolated Drive Control Board 3V/3.3V Relay Power Switch Board For
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4
$9.99
4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi
Amazon.com
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
Amazon.com
8
$3.77
$11.47
5V 4 Channel Relay Shield Module For Arduino UNO R3 Mega2560 Electronic 4 Way Four Channel Relay
AliExpress
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$3.77
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5V 4 Channel Relay Shield Module For Arduino UNO R3 Mega2560 Electronic 4 Way Four Channel Relay
AliExpress
$3.92
4 Channel 5V Relay Shield Module, Four Way Relay Control Board Relay Expansion Board For Arduino UNO
AliExpress
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4 Channel 5V Relay Shield Module, Four Way Relay Control Board Relay Expansion Board For Arduino UNO
AliExpress
$7.99
Wwzmdib Relay Module High And Low Level Trigger Optocoupler Isolation Compatible With For Arduino Raspberry Pi ESP32 STM (1, 4 Channel, 5 V)
Amazon.com
$7.99
Wwzmdib Relay Module High And Low Level Trigger Optocoupler Isolation Compatible With For Arduino Raspberry Pi ESP32 STM (1, 4 Channel, 5 V)
Amazon.com