![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/71oYyAoyO3L._AC_UF894,1000_QL80_.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: JBtek 4 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM : Electronics Amazon.com: JBtek 4 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM : Electronics](https://m.media-amazon.com/images/I/71LyrM2tGcL._AC_UF894,1000_QL80_.jpg)
Amazon.com: JBtek 4 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM : Electronics
![HiLetgo 3pcs 5V D1 Mini Relay Shield 5V Relay Module 1 Channel 5V Relay Shield: Amazon.com: Industrial & Scientific HiLetgo 3pcs 5V D1 Mini Relay Shield 5V Relay Module 1 Channel 5V Relay Shield: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61ywl0W2-yL._AC_UF1000,1000_QL80_.jpg)
HiLetgo 3pcs 5V D1 Mini Relay Shield 5V Relay Module 1 Channel 5V Relay Shield: Amazon.com: Industrial & Scientific
![250V/10A 1 Channel SPDT Power Relay Module 5V Control for DIY PIC AVR DSP ARM MCU: Amazon.com: Industrial & Scientific 250V/10A 1 Channel SPDT Power Relay Module 5V Control for DIY PIC AVR DSP ARM MCU: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61PzPBs+yTL._AC_UF1000,1000_QL80_.jpg)
250V/10A 1 Channel SPDT Power Relay Module 5V Control for DIY PIC AVR DSP ARM MCU: Amazon.com: Industrial & Scientific
![Amazon.com: ARCELI 5PCS 5V One Channel Relay Module Board Shield 5v Relay Module for PIC AVR DSP ARM for Relay : Electronics Amazon.com: ARCELI 5PCS 5V One Channel Relay Module Board Shield 5v Relay Module for PIC AVR DSP ARM for Relay : Electronics](https://m.media-amazon.com/images/I/61m+wEd6EnL._AC_UF894,1000_QL80_.jpg)
Amazon.com: ARCELI 5PCS 5V One Channel Relay Module Board Shield 5v Relay Module for PIC AVR DSP ARM for Relay : Electronics
![Amazon.com: Tolako 5v Relay Module 5V Indicator Light LED 1 Channel Relay Module for Arduino ARM PIC AVR MCU : Industrial & Scientific Amazon.com: Tolako 5v Relay Module 5V Indicator Light LED 1 Channel Relay Module for Arduino ARM PIC AVR MCU : Industrial & Scientific](https://m.media-amazon.com/images/I/51skTYXNy5L.jpg)
Amazon.com: Tolako 5v Relay Module 5V Indicator Light LED 1 Channel Relay Module for Arduino ARM PIC AVR MCU : Industrial & Scientific
![Amazon.com: Geekstory 1 Channel 5V Relay Module Relay Switch with High Low Level Trigger Expansion Board Relay Control Boards SRD-05VDC-SL-C with 20CM 20Pin Dupont Cable for Arduino (5PCS) : Electronics Amazon.com: Geekstory 1 Channel 5V Relay Module Relay Switch with High Low Level Trigger Expansion Board Relay Control Boards SRD-05VDC-SL-C with 20CM 20Pin Dupont Cable for Arduino (5PCS) : Electronics](https://m.media-amazon.com/images/I/71Vvb-POKGL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Geekstory 1 Channel 5V Relay Module Relay Switch with High Low Level Trigger Expansion Board Relay Control Boards SRD-05VDC-SL-C with 20CM 20Pin Dupont Cable for Arduino (5PCS) : Electronics
![Amazon.com: 5vdc (5 Volt DC) Relay - DPDT PCB 8-Pin Mount - Non-Latching Non-Polarized Electronic Low Signal High Sensitivity Relay Module for DIY Electronics and Arduino : Industrial & Scientific Amazon.com: 5vdc (5 Volt DC) Relay - DPDT PCB 8-Pin Mount - Non-Latching Non-Polarized Electronic Low Signal High Sensitivity Relay Module for DIY Electronics and Arduino : Industrial & Scientific](https://m.media-amazon.com/images/I/71UImgs-hhL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: 5vdc (5 Volt DC) Relay - DPDT PCB 8-Pin Mount - Non-Latching Non-Polarized Electronic Low Signal High Sensitivity Relay Module for DIY Electronics and Arduino : Industrial & Scientific
![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 - Amazon.com](https://m.media-amazon.com/images/I/41Xut3HiNyL._AC_SY200_QL15_.jpg)
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
![Amazon.com: 5V Relay Module with Optocoupler Isolation Support High and Low Level Trigger Relay Red Board (8 Channel 5V Relay) : Industrial & Scientific Amazon.com: 5V Relay Module with Optocoupler Isolation Support High and Low Level Trigger Relay Red Board (8 Channel 5V Relay) : Industrial & Scientific](https://m.media-amazon.com/images/I/71VpLX0yMUL.jpg)
Amazon.com: 5V Relay Module with Optocoupler Isolation Support High and Low Level Trigger Relay Red Board (8 Channel 5V Relay) : Industrial & Scientific
![Amazon.com: 5V Relay Module with Isolated Optocoupler High or Low Level Trigger Relay Board 2 Channel 5V Relay Module Relay Switch for Raspberry Pi Arduino Relay DIY 5PCS (5V-2Channel) : Industrial & Amazon.com: 5V Relay Module with Isolated Optocoupler High or Low Level Trigger Relay Board 2 Channel 5V Relay Module Relay Switch for Raspberry Pi Arduino Relay DIY 5PCS (5V-2Channel) : Industrial &](https://m.media-amazon.com/images/I/71RW9oBBf1L.jpg)
Amazon.com: 5V Relay Module with Isolated Optocoupler High or Low Level Trigger Relay Board 2 Channel 5V Relay Module Relay Switch for Raspberry Pi Arduino Relay DIY 5PCS (5V-2Channel) : Industrial &
![Amazon.com: 12Pcs 5V Relay Module 1 Channel D1 Mini Relay Shield Relay Hight Level Trigger 1 Channel Relay Module Interface Board : Industrial & Scientific Amazon.com: 12Pcs 5V Relay Module 1 Channel D1 Mini Relay Shield Relay Hight Level Trigger 1 Channel Relay Module Interface Board : Industrial & Scientific](https://m.media-amazon.com/images/I/81atYMPA+rL._AC_UF894,1000_QL80_.jpg)
Amazon.com: 12Pcs 5V Relay Module 1 Channel D1 Mini Relay Shield Relay Hight Level Trigger 1 Channel Relay Module Interface Board : Industrial & Scientific
![Amazon.com: HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger : Industrial & Scientific Amazon.com: HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger : Industrial & Scientific](https://m.media-amazon.com/images/I/51uIb0T7FbL.jpg)
Amazon.com: HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger : Industrial & Scientific
![Amazon.com: JBtek 8 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM : Electronics Amazon.com: JBtek 8 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM : Electronics](https://m.media-amazon.com/images/I/71dSbBDm0PL._AC_UF894,1000_QL80_.jpg)
Amazon.com: JBtek 8 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM : Electronics
![Amazon.com: ARCELI 5PCS 5V One Channel Relay Module Board Shield 5v Relay Module for PIC AVR DSP ARM for Relay : Electronics Amazon.com: ARCELI 5PCS 5V One Channel Relay Module Board Shield 5v Relay Module for PIC AVR DSP ARM for Relay : Electronics](https://m.media-amazon.com/images/I/61OwGN--KZL.jpg)
Amazon.com: ARCELI 5PCS 5V One Channel Relay Module Board Shield 5v Relay Module for PIC AVR DSP ARM for Relay : Electronics
![Amazon.com: JBtek 8 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM : Electronics Amazon.com: JBtek 8 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM : Electronics](https://m.media-amazon.com/images/I/51g9tXU1NEL.jpg)
Amazon.com: JBtek 8 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM : Electronics
![Amazon.com: 12Pcs 5V DC Mini Power Relay Auto PCB Relay SRD-05VDC-SL-C Power Relay 5 Pins DC Power Relay PCB Mount Electric Relay for Universal Household Appliance : Automotive Amazon.com: 12Pcs 5V DC Mini Power Relay Auto PCB Relay SRD-05VDC-SL-C Power Relay 5 Pins DC Power Relay PCB Mount Electric Relay for Universal Household Appliance : Automotive](https://m.media-amazon.com/images/I/71zx-hFJu6L.jpg)
Amazon.com: 12Pcs 5V DC Mini Power Relay Auto PCB Relay SRD-05VDC-SL-C Power Relay 5 Pins DC Power Relay PCB Mount Electric Relay for Universal Household Appliance : Automotive
![Amazon.com: 5V Relay Module with Isolated Optocoupler High or Low Level Trigger Relay Board 2 Channel 5V Relay Module Relay Switch for Raspberry Pi Arduino Relay DIY 5PCS (5V-2Channel) : Industrial & Amazon.com: 5V Relay Module with Isolated Optocoupler High or Low Level Trigger Relay Board 2 Channel 5V Relay Module Relay Switch for Raspberry Pi Arduino Relay DIY 5PCS (5V-2Channel) : Industrial &](https://m.media-amazon.com/images/I/71rv6gE2AHL._AC_UF350,350_QL80_.jpg)
Amazon.com: 5V Relay Module with Isolated Optocoupler High or Low Level Trigger Relay Board 2 Channel 5V Relay Module Relay Switch for Raspberry Pi Arduino Relay DIY 5PCS (5V-2Channel) : Industrial &
![Amazon.com: 8 Channel Relay Module, 5V Relay Module Power Isolation Photocoupler Isolation USB Port Boot Pin Pico Relay Module for Raspberry Pi Pico : Electronics Amazon.com: 8 Channel Relay Module, 5V Relay Module Power Isolation Photocoupler Isolation USB Port Boot Pin Pico Relay Module for Raspberry Pi Pico : Electronics](https://m.media-amazon.com/images/I/61I4qIco0-L._AC_UF894,1000_QL80_.jpg)
Amazon.com: 8 Channel Relay Module, 5V Relay Module Power Isolation Photocoupler Isolation USB Port Boot Pin Pico Relay Module for Raspberry Pi Pico : 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/71NNkhe7-5L.jpg)
Amazon.com: [2-Pack] DC 5V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger : Industrial & Scientific
![Amazon.com: 5V Relay Module with Isolated Optocoupler High or Low Level Trigger Relay Board 2 Channel 5V Relay Module Relay Switch for Raspberry Pi Arduino Relay DIY 5PCS (5V-2Channel) : Industrial & Amazon.com: 5V Relay Module with Isolated Optocoupler High or Low Level Trigger Relay Board 2 Channel 5V Relay Module Relay Switch for Raspberry Pi Arduino Relay DIY 5PCS (5V-2Channel) : Industrial &](https://m.media-amazon.com/images/I/71htRx0sZyL.jpg)