![Amazon.com: MELIFE 5 Pack 5V Relay Module 5V with Indicator LED Light 1 Channel Relay Module for ARM PIC AVR MCU : Electronics Amazon.com: MELIFE 5 Pack 5V Relay Module 5V with Indicator LED Light 1 Channel Relay Module for ARM PIC AVR MCU : Electronics](https://m.media-amazon.com/images/I/51OuTVYy-tL._AC_SY580_.jpg)
Amazon.com: MELIFE 5 Pack 5V Relay Module 5V with Indicator LED Light 1 Channel Relay Module for ARM PIC AVR MCU : Electronics
![Amazon.com: DAOKI 5 PCS 5v Relay Module for Arduino ARM PIC AVR MCU 5V Indicator Light LED 1 Channel Relay Module Works with Official Arduino Boards : Industrial & Scientific Amazon.com: DAOKI 5 PCS 5v Relay Module for Arduino ARM PIC AVR MCU 5V Indicator Light LED 1 Channel Relay Module Works with Official Arduino Boards : Industrial & Scientific](https://m.media-amazon.com/images/I/51kxEYG1dRL.jpg)
Amazon.com: DAOKI 5 PCS 5v Relay Module for Arduino ARM PIC AVR MCU 5V Indicator Light LED 1 Channel Relay Module Works with Official Arduino Boards : Industrial & Scientific
![Amazon.com: [2-Pack] DC 5V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger : Industrial & Scientific Amazon.com: [2-Pack] DC 5V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger : Industrial & Scientific](https://m.media-amazon.com/images/I/41krbNEkkLL._AC_SY350_.jpg)
Amazon.com: [2-Pack] DC 5V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger : Industrial & Scientific
![Amazon.com: [2-Pack] DC 5V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger : Industrial & Scientific Amazon.com: [2-Pack] DC 5V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger : Industrial & Scientific](https://m.media-amazon.com/images/I/515eHw1QLrL._AC_SY580_.jpg)
Amazon.com: [2-Pack] DC 5V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger : Industrial & Scientific
![Amazon.com: Solid State Relay Module, 1 Channel DC 5V/12V 2A SSR Module Board with Fuse Low Level Trigger(5V) : Industrial & Scientific Amazon.com: Solid State Relay Module, 1 Channel DC 5V/12V 2A SSR Module Board with Fuse Low Level Trigger(5V) : Industrial & Scientific](https://m.media-amazon.com/images/I/51ATYWydv5L.jpg)
Amazon.com: Solid State Relay Module, 1 Channel DC 5V/12V 2A SSR Module Board with Fuse Low Level Trigger(5V) : Industrial & Scientific
![Amazon.com: DAOKI 5 PCS 5v Relay Module for Arduino ARM PIC AVR MCU 5V Indicator Light LED 1 Channel Relay Module Works with Official Arduino Boards : Industrial & Scientific Amazon.com: DAOKI 5 PCS 5v Relay Module for Arduino ARM PIC AVR MCU 5V Indicator Light LED 1 Channel Relay Module Works with Official Arduino Boards : Industrial & Scientific](https://m.media-amazon.com/images/I/41xNA-vMeEL._AC_SY1000_.jpg)
Amazon.com: DAOKI 5 PCS 5v Relay Module for Arduino ARM PIC AVR MCU 5V Indicator Light LED 1 Channel Relay Module Works with Official Arduino Boards : Industrial & Scientific
![Relay Module with Optocoupler 1 Channel High Low Level Trigger Relay Module Board AC 250V/10A DC 30V/10A (5V): Amazon.com: Industrial & Scientific Relay Module with Optocoupler 1 Channel High Low Level Trigger Relay Module Board AC 250V/10A DC 30V/10A (5V): Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/41u2w4Yml6L._AC_SY580_.jpg)
Relay Module with Optocoupler 1 Channel High Low Level Trigger Relay Module Board AC 250V/10A DC 30V/10A (5V): Amazon.com: Industrial & Scientific
![Amazon.com: 2 Pcs 4 Channel DC 5V Relay Module with Optocoupler for R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 for Raspberry Pi : Electronics Amazon.com: 2 Pcs 4 Channel DC 5V Relay Module with Optocoupler for R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 for Raspberry Pi : Electronics](https://images-na.ssl-images-amazon.com/images/I/71LyrM2tGcL._AC_UL600_SR600,600_.jpg)
Amazon.com: 2 Pcs 4 Channel DC 5V Relay Module with Optocoupler for R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 for Raspberry Pi : Electronics
![Amazon.com: AGT 5V DC 5-Pin Coil SPDT Power Electromagnetic Relay 10A 250VAC PCB SSR Type (Pack of 10) : Industrial & Scientific Amazon.com: AGT 5V DC 5-Pin Coil SPDT Power Electromagnetic Relay 10A 250VAC PCB SSR Type (Pack of 10) : Industrial & Scientific](https://m.media-amazon.com/images/I/41RN4iT7BCL._AC_SY580_.jpg)
Amazon.com: AGT 5V DC 5-Pin Coil SPDT Power Electromagnetic Relay 10A 250VAC PCB SSR Type (Pack of 10) : Industrial & Scientific
![Amazon.com: 4 pcs DC 5V 1 Channel Relay Module Board Shield High/Low Level Trigger with Optocoupler : Industrial & Scientific Amazon.com: 4 pcs DC 5V 1 Channel Relay Module Board Shield High/Low Level Trigger with Optocoupler : Industrial & Scientific](https://m.media-amazon.com/images/I/71aGbUlrehL.jpg)
Amazon.com: 4 pcs DC 5V 1 Channel Relay Module Board Shield High/Low Level Trigger with Optocoupler : Industrial & Scientific
![Amazon.com: SunFounder 2 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi : Electronics Amazon.com: SunFounder 2 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi : Electronics](https://m.media-amazon.com/images/I/41KROIy+uGL._AC_SY580_.jpg)
Amazon.com: SunFounder 2 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi : Electronics
![Amazon.com: DAOKI 5 PCS 5v Relay Module for Arduino ARM PIC AVR MCU 5V Indicator Light LED 1 Channel Relay Module Works with Official Arduino Boards : Industrial & Scientific Amazon.com: DAOKI 5 PCS 5v Relay Module for Arduino ARM PIC AVR MCU 5V Indicator Light LED 1 Channel Relay Module Works with Official Arduino Boards : Industrial & Scientific](https://m.media-amazon.com/images/I/519bMKdd-0L.jpg)
Amazon.com: DAOKI 5 PCS 5v Relay Module for Arduino ARM PIC AVR MCU 5V Indicator Light LED 1 Channel Relay Module Works with Official Arduino Boards : Industrial & Scientific
![Amazon.com: 2 Pcs 4 Channel DC 5V Relay Module with Optocoupler for R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 for Raspberry Pi : Electronics Amazon.com: 2 Pcs 4 Channel DC 5V Relay Module with Optocoupler for R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 for Raspberry Pi : Electronics](https://m.media-amazon.com/images/I/51nFX6gxluL._AC_SY350_.jpg)
Amazon.com: 2 Pcs 4 Channel DC 5V Relay Module with Optocoupler for R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 for Raspberry Pi : Electronics
![Amazon.com: 2 Pcs 4 Channel DC 5V Relay Module with Optocoupler for R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 for Raspberry Pi : Electronics Amazon.com: 2 Pcs 4 Channel DC 5V Relay Module with Optocoupler for R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 for Raspberry Pi : Electronics](https://m.media-amazon.com/images/I/51g+KPFaaNL._AC_SY580_.jpg)
Amazon.com: 2 Pcs 4 Channel DC 5V Relay Module with Optocoupler for R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 for Raspberry Pi : Electronics
![Amazon.com: [2-Pack] DC 5V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger : Industrial & Scientific Amazon.com: [2-Pack] DC 5V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger : Industrial & Scientific](https://m.media-amazon.com/images/I/51caTWsh8gL._AC_.jpg)
Amazon.com: [2-Pack] DC 5V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger : Industrial & Scientific
![Amazon.com: 2 Pcs 4 Channel DC 5V Relay Module with Optocoupler for R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 for Raspberry Pi : Electronics Amazon.com: 2 Pcs 4 Channel DC 5V Relay Module with Optocoupler for R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 for Raspberry Pi : Electronics](https://m.media-amazon.com/images/I/61qBSeIyjFL.jpg)
Amazon.com: 2 Pcs 4 Channel DC 5V Relay Module with Optocoupler for R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 for Raspberry Pi : Electronics
![Amazon.com: DAOKI 5 PCS 5v Relay Module for Arduino ARM PIC AVR MCU 5V Indicator Light LED 1 Channel Relay Module Works with Official Arduino Boards : Industrial & Scientific Amazon.com: DAOKI 5 PCS 5v Relay Module for Arduino ARM PIC AVR MCU 5V Indicator Light LED 1 Channel Relay Module Works with Official Arduino Boards : Industrial & Scientific](https://m.media-amazon.com/images/I/41b73W89+dL.jpg)
Amazon.com: DAOKI 5 PCS 5v Relay Module for Arduino ARM PIC AVR MCU 5V Indicator Light LED 1 Channel Relay Module Works with Official Arduino Boards : Industrial & Scientific
![Amazon.com: 2 Pcs 4 Channel DC 5V Relay Module with Optocoupler for R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 for Raspberry Pi : Electronics Amazon.com: 2 Pcs 4 Channel DC 5V Relay Module with Optocoupler for R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 for Raspberry Pi : Electronics](https://m.media-amazon.com/images/I/41mU--mjq7L._AC_SY580_.jpg)
Amazon.com: 2 Pcs 4 Channel DC 5V Relay Module with Optocoupler for R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 for Raspberry Pi : Electronics
![Amazon.com: 2 Pcs 4 Channel DC 5V Relay Module with Optocoupler for R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 for Raspberry Pi : Electronics Amazon.com: 2 Pcs 4 Channel DC 5V Relay Module with Optocoupler for R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 for Raspberry Pi : Electronics](https://m.media-amazon.com/images/I/61iZmSutIyL.jpg)
Amazon.com: 2 Pcs 4 Channel DC 5V Relay Module with Optocoupler for R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 for Raspberry Pi : Electronics
![Amazon.com: Youngneer 12v Relay Board Relay Module 1 Channel Opto-Isolated High or Low Level Trigger : Industrial & Scientific Amazon.com: Youngneer 12v Relay Board Relay Module 1 Channel Opto-Isolated High or Low Level Trigger : Industrial & Scientific](https://m.media-amazon.com/images/I/51YjTVt+OvS._AC_SY580_.jpg)
Amazon.com: Youngneer 12v Relay Board Relay Module 1 Channel Opto-Isolated High or Low Level Trigger : Industrial & Scientific
![Amazon.com: Tolako 5v Relay Module 5V Indicator Light LED 1 Channel Relay Module for Arduino ARM PIC AVR MCU : Tools & Home Improvement Amazon.com: Tolako 5v Relay Module 5V Indicator Light LED 1 Channel Relay Module for Arduino ARM PIC AVR MCU : Tools & Home Improvement](https://m.media-amazon.com/images/I/51fJrSMpxML._AC_SY580_.jpg)
Amazon.com: Tolako 5v Relay Module 5V Indicator Light LED 1 Channel Relay Module for Arduino ARM PIC AVR MCU : Tools & Home Improvement
![Amazon.com: AGT 5V DC 5-Pin Coil SPDT Power Electromagnetic Relay 10A 250VAC PCB SSR Type (Pack of 10) : Industrial & Scientific Amazon.com: AGT 5V DC 5-Pin Coil SPDT Power Electromagnetic Relay 10A 250VAC PCB SSR Type (Pack of 10) : Industrial & Scientific](https://m.media-amazon.com/images/I/41LuwZRicuL._AC_SY350_.jpg)
Amazon.com: AGT 5V DC 5-Pin Coil SPDT Power Electromagnetic Relay 10A 250VAC PCB SSR Type (Pack of 10) : Industrial & Scientific
![Xiuxin 2pcs 5V 8 Channel Relay Module Board for Arduino PIC AVR DSP ARM: Amazon.com: Industrial & Scientific Xiuxin 2pcs 5V 8 Channel Relay Module Board for Arduino PIC AVR DSP ARM: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/51+GrUjQPeL._AC_SY1000_.jpg)
Xiuxin 2pcs 5V 8 Channel Relay Module Board for Arduino PIC AVR DSP ARM: Amazon.com: Industrial & Scientific
![Amazon.com: [2-Pack] DC 5V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger : Industrial & Scientific Amazon.com: [2-Pack] DC 5V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger : Industrial & Scientific](https://m.media-amazon.com/images/I/71PmOcnWTLL.jpg)
Amazon.com: [2-Pack] DC 5V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger : Industrial & Scientific
![Amazon.com: DAOKI 5 PCS 5v Relay Module for Arduino ARM PIC AVR MCU 5V Indicator Light LED 1 Channel Relay Module Works with Official Arduino Boards : Industrial & Scientific Amazon.com: DAOKI 5 PCS 5v Relay Module for Arduino ARM PIC AVR MCU 5V Indicator Light LED 1 Channel Relay Module Works with Official Arduino Boards : Industrial & Scientific](https://m.media-amazon.com/images/I/61PiApBUrqL.jpg)