购买 Relay Module Pinout

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$1.87
1 Channel Relay Module 3.3V 5V High/Low Level Trigger Relay Board Shield For Arduino PIC AVR ARM DSP
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1 Channel Relay Module 3.3V 5V High/Low Level Trigger Relay Board Shield For Arduino PIC AVR ARM DSP
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1Pcs 5V 9V 12V 24V Singlechip One 1 Channel Relay Module Board Shield With Optocoupler Support High
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1Pcs 5V 9V 12V 24V Singlechip One 1 Channel Relay Module Board Shield With Optocoupler Support High
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1 2 4 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
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1 2 4 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
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1 2 4 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
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1 2 4 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
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KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
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KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
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Relay Module 1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And
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Relay Module 1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And
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1Pc 4 Pin/5 Pin 30A 12V/24V Violet Series 4-Pin/5-Pin Waterproof Automotive Relay Car Relay Socket
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1Pc 4 Pin/5 Pin 30A 12V/24V Violet Series 4-Pin/5-Pin Waterproof Automotive Relay Car Relay Socket
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1/2/4/10PCS Relay Module 1 Channel 5V Relay Module Board Shield With Optocoupler Support High And
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1/2/4/10PCS Relay Module 1 Channel 5V Relay Module Board Shield With Optocoupler Support High And
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5V 12V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
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5V 12V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
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1 2 4 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
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1 2 4 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
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1 Channel 5V / 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger For
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1 Channel 5V / 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger For
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1 2 6 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low Level
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1 2 6 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low Level
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Relay Module 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And
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Relay Module 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And
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1 2 4 8 Channel 5V 12V Relay Module With Optocoupler, High Low Level Trigger Shield For Arduino PIC
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1 2 4 8 Channel 5V 12V Relay Module With Optocoupler, High Low Level Trigger Shield For Arduino PIC
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10-1 PCS,3.3V 5V 12V 24V 1 2 4 8 Channel Relay Module With Optocoupler. Output X Way For Arduino
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$10.97
10-1 PCS,3.3V 5V 12V 24V 1 2 4 8 Channel Relay Module With Optocoupler. Output X Way For Arduino
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5V 1 Channel Relay Module Board Shield For Arduino PIC AVR DSP ARM MCU Relay
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5V 1 Channel Relay Module Board Shield For Arduino PIC AVR DSP ARM MCU Relay
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5V 12V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
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$1.35
5V 12V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
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$1.55
KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
Aliexpress
$1.55
KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
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5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
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5V 4 Way Relay Module For Arduino 4 Channel Relay Module With Optocoupler Relay Output For Arduino
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1 2 4 8 Channel 5V/12V Relay Module Board Shield With Optocoupler Support High And Low Level
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1 2 4 8 Channel 5V/12V Relay Module Board Shield With Optocoupler Support High And Low Level
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1PCS 1/2/4 Channel 3V Relay Module Board Low Level Trigger Relay Output Relay Module With LED
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1PCS 1/2/4 Channel 3V Relay Module Board Low Level Trigger Relay Output Relay Module With LED
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1 Channel 5V 12V Relay Module Board Shield For Arduino With Optocoupler Support High And Low Level
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1 Channel 5V 12V Relay Module Board Shield For Arduino With Optocoupler Support High And Low Level
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1 Channel 5V 12V Relay Module Board Shield For Arduino With Optocoupler Support High And Low Level
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1 Channel 5V 12V Relay Module Board Shield For Arduino With Optocoupler Support High And Low Level
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5V/12V 30A 1-Channel Relay Module+Electronic With Optocoupler 5V/12V 30A Two-Way Isolation Relay
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5V/12V 30A 1-Channel Relay Module+Electronic With Optocoupler 5V/12V 30A Two-Way Isolation Relay
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ESP32 WIFI Relay Module 1 2 8 Channel ESP32 WIFI BT BLE Relay Module 5V-30/60V ESP32 Wifi
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ESP32 WIFI Relay Module 1 2 8 Channel ESP32 WIFI BT BLE Relay Module 5V-30/60V ESP32 Wifi
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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
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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
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DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield With Optocoupler / High And Low Level
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DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield With Optocoupler / High And Low Level
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How to Use 5 Volt Relay Modules with Arduino and ESP8266
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How to Use 5 Volt Relay Modules with Arduino and ESP8266
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How to use 5v relay module | Arduino UNO with 5v relay modul…
已浏览 4.1万 次2020年6月9日
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How to use 5V Relay with Arduino to turn ON and OFF AC bulb or DC lo…
已浏览 58.5万 次2017年12月26日
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已浏览 2.9万 次2020年5月31日
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已浏览 2.1万 次2017年12月28日
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已浏览 1.5万 次2018年11月24日
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购买 Relay Module Pinout

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$1.87
1 Channel Relay Module 3.3V 5V High/Low Level Trigger Relay Board Shield For Arduino PIC AVR ARM DSP
Aliexpress
$1.87
1 Channel Relay Module 3.3V 5V High/Low Level Trigger Relay Board Shield For Arduino PIC AVR ARM DSP
Aliexpress
$1.55
1Pcs 5V 9V 12V 24V Singlechip One 1 Channel Relay Module Board Shield With Optocoupler Support High
Aliexpress
$1.55
1Pcs 5V 9V 12V 24V Singlechip One 1 Channel Relay Module Board Shield With Optocoupler Support High
Aliexpress
$6.33
1 2 4 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
Aliexpress
$6.33
1 2 4 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
Aliexpress
$2.39
1 2 4 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
Aliexpress
$2.39
1 2 4 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
Aliexpress
$1.49
KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
Aliexpress
$1.49
KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
Aliexpress
$0.64
$0.67
Relay Module 1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And
Aliexpress
$0.64
$0.67
Relay Module 1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And
Aliexpress
$2.12
1Pc 4 Pin/5 Pin 30A 12V/24V Violet Series 4-Pin/5-Pin Waterproof Automotive Relay Car Relay Socket
Aliexpress
$2.12
1Pc 4 Pin/5 Pin 30A 12V/24V Violet Series 4-Pin/5-Pin Waterproof Automotive Relay Car Relay Socket
Aliexpress
$2.04
1/2/4/10PCS Relay Module 1 Channel 5V Relay Module Board Shield With Optocoupler Support High And
Aliexpress
$2.04
1/2/4/10PCS Relay Module 1 Channel 5V Relay Module Board Shield With Optocoupler Support High And
Aliexpress
$1.71
5V 12V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
Aliexpress
$1.71
5V 12V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
Aliexpress
$1.50
$2.09
1 2 4 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
Aliexpress
折扣 28%
$1.50
$2.09
1 2 4 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
Aliexpress
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$3.17
1 Channel 5V / 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger For
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折扣 52%
$1.52
$3.17
1 Channel 5V / 12V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger For
Aliexpress
$0.84
$1.00
1 2 6 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low Level
Aliexpress
Free shipping
折扣 16%
$0.84
$1.00
1 2 6 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low Level
Aliexpress
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$0.65
Relay Module 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And
Aliexpress
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$0.47
$0.65
Relay Module 1 2 4 6 8 Channel 5V 12V Relay Module Board Shield With Optocoupler Support High And
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$1.57
1 2 4 8 Channel 5V 12V Relay Module With Optocoupler, High Low Level Trigger Shield For Arduino PIC
Aliexpress
$1.57
1 2 4 8 Channel 5V 12V Relay Module With Optocoupler, High Low Level Trigger Shield For Arduino PIC
Aliexpress
$5.42
$10.97
10-1 PCS,3.3V 5V 12V 24V 1 2 4 8 Channel Relay Module With Optocoupler. Output X Way For Arduino
Aliexpress
Free shipping
折扣 50%
$5.42
$10.97
10-1 PCS,3.3V 5V 12V 24V 1 2 4 8 Channel Relay Module With Optocoupler. Output X Way For Arduino
Aliexpress
$0.40
$0.65
5V 1 Channel Relay Module Board Shield For Arduino PIC AVR DSP ARM MCU Relay
Aliexpress
Free shipping
折扣 38%
$0.40
$0.65
5V 1 Channel Relay Module Board Shield For Arduino PIC AVR DSP ARM MCU Relay
Aliexpress
$1.35
5V 12V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
Aliexpress
$1.35
5V 12V One 1 Channel Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
Aliexpress
$1.55
KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
Aliexpress
$1.55
KY-019 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM For Arduino Relay
Aliexpress