购买 arduino 2 relay module

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$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
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199
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ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
$2.17
2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA
Aliexpress
$2.17
2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA
Aliexpress
$2.43
5V Dual Relay Module TWO -Channel Relay Module 2-CH High Level Trigger For Arduino
Aliexpress
$2.43
5V Dual Relay Module TWO -Channel Relay Module 2-CH High Level Trigger For Arduino
Aliexpress
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
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
Amazon.com
$3.05
5V 12V Low Level Trigger 2 Way Relay Module For Arduino 2 Channel Relay Module With Optocoupler
Aliexpress
$3.05
5V 12V Low Level Trigger 2 Way Relay Module For Arduino 2 Channel Relay Module With Optocoupler
Aliexpress
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$1.63
Relay Module 2 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High And Low Level
Aliexpress
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Relay Module 2 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High And Low Level
Aliexpress
$6.00
5V 4 Channel Relay Module For Arduino Compatible With PIC ARM DSP AVR MSP430 - 2 Pack
Evalm
$6.00
5V 4 Channel Relay Module For Arduino Compatible With PIC ARM DSP AVR MSP430 - 2 Pack
Evalm
$0.67
$0.93
1Pcs 5V 12V 24V 2 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay
Aliexpress
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1Pcs 5V 12V 24V 2 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay
Aliexpress
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$4.69
5V 2 Channel Relay Module With Optocoupler Isolation Compatible Arduino ESP32 Raspberry Pi PLC DIY
Aliexpress
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$4.69
5V 2 Channel Relay Module With Optocoupler Isolation Compatible Arduino ESP32 Raspberry Pi PLC DIY
Aliexpress
$2.29
2 CH DC 5V Relay Module With Optocoupler Low Level Trigger For Arduino R3 MEGA 2560 1280 DSP ARM
Aliexpress
$2.29
2 CH DC 5V Relay Module With Optocoupler Low Level Trigger For Arduino R3 MEGA 2560 1280 DSP ARM
Aliexpress
$1.90
$3.84
1/2/4/8 Channel Relay Module 5V/12V/24V With Optocoupler Isolation High/Low Level Dual Trigger For
Aliexpress
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1/2/4/8 Channel Relay Module 5V/12V/24V With Optocoupler Isolation High/Low Level Dual Trigger For
Aliexpress
$2.99
5V 2 Channel Solid State Relay Module With Fuse For Low Level Control 250V 2A
Evalm
$2.99
5V 2 Channel Solid State Relay Module With Fuse For Low Level Control 250V 2A
Evalm
$223.11
Locinox 2-Channel Relay Module With NO/NC Contact, 230V
GateSecurityHardware
$223.11
Locinox 2-Channel Relay Module With NO/NC Contact, 230V
GateSecurityHardware
$3.42
1PCS 1/2/4 Channel 3V Relay Module Board Low Level Trigger Relay Output Relay Module With LED
Aliexpress
$3.42
1PCS 1/2/4 Channel 3V Relay Module Board Low Level Trigger Relay Output Relay Module With LED
Aliexpress
$1.87
5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Arduino PLC
Aliexpress
$1.87
5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Arduino PLC
Aliexpress
$1.68
1 2 4 8 Channel 5V 12V Relay Module With Optocoupler, High Low Level Trigger Shield For Arduino PIC
Aliexpress
$1.68
1 2 4 8 Channel 5V 12V Relay Module With Optocoupler, High Low Level Trigger Shield For Arduino PIC
Aliexpress
$2.45
5V 12V 24V Relay 1 2 4 Channel SSR Low Level Solid State Relay Module 250V 2A For Arduino
Aliexpress
$2.45
5V 12V 24V Relay 1 2 4 Channel SSR Low Level Solid State Relay Module 250V 2A For Arduino
Aliexpress
$2.38
12V Relay 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino 5V Relay
Aliexpress
$2.38
12V Relay 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino 5V Relay
Aliexpress
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$3.66
1PCS 5V 12V 24V 1/2/4/8 Channel Relay Module Board With Optocoupler Isolation Compatible With
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1PCS 5V 12V 24V 1/2/4/8 Channel Relay Module Board With Optocoupler Isolation Compatible With
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5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
$1.44
5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
$40.59
A000062 ARDUINO - Components & Relay PC Board Mount Supplies
Radwell.com
2
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A000062 ARDUINO - Components & Relay PC Board Mount Supplies
Radwell.com
$2.07
5V Relay 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino
Aliexpress
$2.07
5V Relay 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino
Aliexpress
$2.57
5V 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino
Aliexpress
$2.57
5V 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino
Aliexpress
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$1.12
5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Arduino PLC
Aliexpress
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$1.12
5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Arduino PLC
Aliexpress
$1.74
5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
$1.74
5V 12V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler Relay
Aliexpress
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5V 12V 24V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler
Aliexpress
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5V 12V 24V 1 2 4 6 8 Way Relay Module For Arduino 1 2 4 6 8 Channel Relay Module With Optocoupler
Aliexpress
$0.55
5V 1 2 4 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 8 Way Relay Module For Arduino
Aliexpress
$0.55
5V 1 2 4 8 Channel Relay Module With Optocoupler. Relay Output 1 2 4 8 Way Relay Module For Arduino
Aliexpress
$2.42
1PCS 5V Relay 1 2 4 8 Channel Low Level Solid State Relay Module 240V 2A For Arduino
Aliexpress
Free shipping
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1PCS 5V Relay 1 2 4 8 Channel Low Level Solid State Relay Module 240V 2A For Arduino
Aliexpress
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
184
$11.29
Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino
Amazon.com
$0.62
$0.88
5V/12V 1/2/4/6/8 Channel Relay Module With Optocoupler - Relay Output, Compatible With Arduino, In
Aliexpress
折扣 29%
$0.62
$0.88
5V/12V 1/2/4/6/8 Channel Relay Module With Optocoupler - Relay Output, Compatible With Arduino, In
Aliexpress
$2.04
1/2/4/8 Channel 5V DC Relay Module Solid State Low Level G3MB-202P Relay SSR AVR DSP For Arduino Diy
Aliexpress
$2.04
1/2/4/8 Channel 5V DC Relay Module Solid State Low Level G3MB-202P Relay SSR AVR DSP For Arduino Diy
Aliexpress
$6.45
ESP8266 ESP-12F Wifi AC 250V / DC 30V 2 Channel Relay Module Wireless Development Board For Arduino
Aliexpress
$6.45
ESP8266 ESP-12F Wifi AC 250V / DC 30V 2 Channel Relay Module Wireless Development Board For Arduino
Aliexpress
$5.70
Dry Contact 2CH Tuya Smart Zigbee Switch 2 Channels Relay Board RF Module Two-Channel RF433 Relay
Aliexpress
$5.70
Dry Contact 2CH Tuya Smart Zigbee Switch 2 Channels Relay Board RF Module Two-Channel RF433 Relay
Aliexpress
$19.80
5 V 2 Channel Relay Module Arduino Pi Arm Avr Dsp Pic Umt Media®
Everymarket INC
$19.80
5 V 2 Channel Relay Module Arduino Pi Arm Avr Dsp Pic Umt Media®
Everymarket INC
$3.33
DC 9V 12V 24V 2A Mini Bistable Self-Locking Relay Module Flip-Flop Latch Switch Board For Arduiuo
Aliexpress
$3.33
DC 9V 12V 24V 2A Mini Bistable Self-Locking Relay Module Flip-Flop Latch Switch Board For Arduiuo
Aliexpress
$0.80
24V 2 Channel Relay Module With Optocoupler High Low Level Trigger Expansion Board
Alibaba B2B
Free shipping
$0.80
24V 2 Channel Relay Module With Optocoupler High Low Level Trigger Expansion Board
Alibaba B2B
How to Interface 2 Channel Relay Module with Arduino UNO
How to Interface 2 Channel Relay Module with Arduino UNO
2021年3月10日
circuits-diy.com
relay module interfacing with arduino code and circuit diagam
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2016年10月12日
microcontrollerslab.com
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Arduino Relay Module 2 ช่อง 5V สำหรับ Arduino
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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 2ช่อง 5V Relay Module Active LOW 5V 2 Channel isolation control 250V/10A
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ESP8266 NodeMCU Relay Module - Control AC Appliances (Web Serv…
2019年12月18日
randomnerdtutorials.com
6:42
SainSmart 16-Channel 12V Relay Module Board for Arduino DSP AV…
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instructables.com
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SainSmart 2-Channel Relay Tutorial - Turn LED lights ON / OFF
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4:41
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购买 arduino 2 relay module

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$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
199
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
$2.17
2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA
Aliexpress
$2.17
2 Channel DC 5V Relay Module With Optocoupler Low Level Trigger Expansion Board For Arduino R3 MEGA
Aliexpress
$2.43
5V Dual Relay Module TWO -Channel Relay Module 2-CH High Level Trigger For Arduino
Aliexpress
$2.43
5V Dual Relay Module TWO -Channel Relay Module 2-CH High Level Trigger For Arduino
Aliexpress
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
76
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
$3.05
5V 12V Low Level Trigger 2 Way Relay Module For Arduino 2 Channel Relay Module With Optocoupler
Aliexpress
$3.05
5V 12V Low Level Trigger 2 Way Relay Module For Arduino 2 Channel Relay Module With Optocoupler
Aliexpress
$1.26
$1.63
Relay Module 2 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High And Low Level
Aliexpress
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$1.63
Relay Module 2 Channel 5V 12V 24V Board Shield With Optocoupler Isolation Support High And Low Level
Aliexpress
$6.00
5V 4 Channel Relay Module For Arduino Compatible With PIC ARM DSP AVR MSP430 - 2 Pack
Evalm
$6.00
5V 4 Channel Relay Module For Arduino Compatible With PIC ARM DSP AVR MSP430 - 2 Pack
Evalm
$0.67
$0.93
1Pcs 5V 12V 24V 2 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay
Aliexpress
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$0.67
$0.93
1Pcs 5V 12V 24V 2 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay
Aliexpress
$2.42
$4.69
5V 2 Channel Relay Module With Optocoupler Isolation Compatible Arduino ESP32 Raspberry Pi PLC DIY
Aliexpress
Free shipping
折扣 48%
$2.42
$4.69
5V 2 Channel Relay Module With Optocoupler Isolation Compatible Arduino ESP32 Raspberry Pi PLC DIY
Aliexpress
$2.29
2 CH DC 5V Relay Module With Optocoupler Low Level Trigger For Arduino R3 MEGA 2560 1280 DSP ARM
Aliexpress
$2.29
2 CH DC 5V Relay Module With Optocoupler Low Level Trigger For Arduino R3 MEGA 2560 1280 DSP ARM
Aliexpress
$1.90
$3.84
1/2/4/8 Channel Relay Module 5V/12V/24V With Optocoupler Isolation High/Low Level Dual Trigger For
Aliexpress
折扣 50%
$1.90
$3.84
1/2/4/8 Channel Relay Module 5V/12V/24V With Optocoupler Isolation High/Low Level Dual Trigger For
Aliexpress
$2.99
5V 2 Channel Solid State Relay Module With Fuse For Low Level Control 250V 2A
Evalm
$2.99
5V 2 Channel Solid State Relay Module With Fuse For Low Level Control 250V 2A
Evalm
$223.11
Locinox 2-Channel Relay Module With NO/NC Contact, 230V
GateSecurityHardware
$223.11
Locinox 2-Channel Relay Module With NO/NC Contact, 230V
GateSecurityHardware
$3.42
1PCS 1/2/4 Channel 3V Relay Module Board Low Level Trigger Relay Output Relay Module With LED
Aliexpress
$3.42
1PCS 1/2/4 Channel 3V Relay Module Board Low Level Trigger Relay Output Relay Module With LED
Aliexpress
$1.87
5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Arduino PLC
Aliexpress
$1.87
5V 12V 24V Relay Module With Optocoupler Relay Output 1 2 4 6 8 16Way Relay Module For Arduino PLC
Aliexpress
$1.68
1 2 4 8 Channel 5V 12V Relay Module With Optocoupler, High Low Level Trigger Shield For Arduino PIC
Aliexpress
$1.68
1 2 4 8 Channel 5V 12V Relay Module With Optocoupler, High Low Level Trigger Shield For Arduino PIC
Aliexpress
$2.45
5V 12V 24V Relay 1 2 4 Channel SSR Low Level Solid State Relay Module 250V 2A For Arduino
Aliexpress
$2.45
5V 12V 24V Relay 1 2 4 Channel SSR Low Level Solid State Relay Module 250V 2A For Arduino
Aliexpress
$2.38
12V Relay 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino 5V Relay
Aliexpress
$2.38
12V Relay 1 2 4 8 Channel SSR High Low Level Solid State Relay Module 250V 2A For Arduino 5V Relay
Aliexpress