![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._AC_UF894,1000_QL80_.jpg)
Amazon.com: [2-Pack] DC 5V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger : Industrial & Scientific
![Amazon.com: KeeYees 5pcs 1 Channel 5V Relay Module Board Shield KY-019 LED Indicator for Arduino + 3pcs 20CM 10Pin Female Male Jumper Wires : Electronics Amazon.com: KeeYees 5pcs 1 Channel 5V Relay Module Board Shield KY-019 LED Indicator for Arduino + 3pcs 20CM 10Pin Female Male Jumper Wires : Electronics](https://m.media-amazon.com/images/I/610m0aON7UL.jpg)
Amazon.com: KeeYees 5pcs 1 Channel 5V Relay Module Board Shield KY-019 LED Indicator for Arduino + 3pcs 20CM 10Pin Female Male Jumper Wires : 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: 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/41Xut3HiNyL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFOURANDHALF%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA84%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.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: 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.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
![Amazon.com: Geekstory 5PCS 2 Channel 5V Relay Module 10A with Optocoupler Low Level Trigger Expansion Board for Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP Electronic STM32 Raspberry Pi : Electronics Amazon.com: Geekstory 5PCS 2 Channel 5V Relay Module 10A with Optocoupler Low Level Trigger Expansion Board for Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP Electronic STM32 Raspberry Pi : Electronics](https://m.media-amazon.com/images/I/61Fz8u7HwKL.jpg)
Amazon.com: Geekstory 5PCS 2 Channel 5V Relay Module 10A with Optocoupler Low Level Trigger Expansion Board for Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR DSP Electronic STM32 Raspberry Pi : Electronics
![Amazon.com: Relay Module 5V 4 Channel Flip Flop Latch Relay Bistable Self Locking Relay Module for Controlling DC Motors Solenoid Valves : Electronics Amazon.com: Relay Module 5V 4 Channel Flip Flop Latch Relay Bistable Self Locking Relay Module for Controlling DC Motors Solenoid Valves : Electronics](https://m.media-amazon.com/images/I/51ccnJjlZoL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Relay Module 5V 4 Channel Flip Flop Latch Relay Bistable Self Locking Relay Module for Controlling DC Motors Solenoid Valves : Electronics
![Amazon.com: Qunqi 5V 2 Channel 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi (2channel-4pc) : Electronics Amazon.com: Qunqi 5V 2 Channel 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi (2channel-4pc) : Electronics](https://m.media-amazon.com/images/I/510dx5y8hyL.jpg)
Amazon.com: Qunqi 5V 2 Channel 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi (2channel-4pc) : Electronics
![Amazon.com: Trigger Module, 5V/12V 2 Channel Relay Module with Optocoupler Isolation High&Low Level Trigger Relay Extension Board(5V) : Industrial & Scientific Amazon.com: Trigger Module, 5V/12V 2 Channel Relay Module with Optocoupler Isolation High&Low Level Trigger Relay Extension Board(5V) : Industrial & Scientific](https://m.media-amazon.com/images/I/71sYU7OiTKL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Trigger Module, 5V/12V 2 Channel Relay Module with Optocoupler Isolation High&Low Level Trigger Relay Extension Board(5V) : Industrial & Scientific
![TE CONNECTIVITY/POTTER & BRUMFIELD RTE24005F Power Relay, DPDT, 5VDC, 8A, PC Board : Industrial & Scientific - Amazon.com TE CONNECTIVITY/POTTER & BRUMFIELD RTE24005F Power Relay, DPDT, 5VDC, 8A, PC Board : Industrial & Scientific - Amazon.com](https://m.media-amazon.com/images/I/21-+cY9q-SL._AC_UF1000,1000_QL80_.jpg)
TE CONNECTIVITY/POTTER & BRUMFIELD RTE24005F Power Relay, DPDT, 5VDC, 8A, PC Board : Industrial & Scientific - Amazon.com
![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._AC_UF894,1000_QL80_.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: Teyleten Robot 1 Channel 5V Relay Module Board Shield Relay Board Ky-019 for PIC AVR DSP ARM Arduino 10pcs : Electronics Amazon.com: Teyleten Robot 1 Channel 5V Relay Module Board Shield Relay Board Ky-019 for PIC AVR DSP ARM Arduino 10pcs : Electronics](https://m.media-amazon.com/images/I/71Jc3GRG2tL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Teyleten Robot 1 Channel 5V Relay Module Board Shield Relay Board Ky-019 for PIC AVR DSP ARM Arduino 10pcs : Electronics
![ALAMSCN 16 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for Smart Control Switch: Amazon.com: Industrial & Scientific ALAMSCN 16 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for Smart Control Switch: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/81cWAsdi9nL._AC_UF1000,1000_QL80_.jpg)
ALAMSCN 16 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board for Smart Control Switch: Amazon.com: Industrial & Scientific
![Amazon.com: AEDIKO 8 Channel Relay Module DC 5V Relay Board with OPTO-Isolated Support High or Low Level Trigger : Automotive Amazon.com: AEDIKO 8 Channel Relay Module DC 5V Relay Board with OPTO-Isolated Support High or Low Level Trigger : Automotive](https://m.media-amazon.com/images/I/81jrsEVDajL._AC_UF894,1000_QL80_.jpg)
Amazon.com: AEDIKO 8 Channel Relay Module DC 5V Relay Board with OPTO-Isolated Support High or Low Level Trigger : Automotive
![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/61soiMYPIYL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: 4 pcs DC 5V 1 Channel Relay Module Board Shield High/Low Level Trigger with Optocoupler : Industrial & Scientific
![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
![DC 5V 12V 24V 30A High Power 1-Channel Relay Module with Optocoupler H/L Level Triger (12V): Amazon.com: Industrial & Scientific DC 5V 12V 24V 30A High Power 1-Channel Relay Module with Optocoupler H/L Level Triger (12V): Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61zSEpmUA2L.jpg)
DC 5V 12V 24V 30A High Power 1-Channel Relay Module with Optocoupler H/L Level Triger (12V): Amazon.com: 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/519bMKdd-0L._AC_UF1000,1000_QL80_.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
![AEDIKO 4pcs DC 5V Relay Module 2 Channel Relay Board with Optocoupler Support High or Low Level Trigger: Amazon.com: Industrial & Scientific AEDIKO 4pcs DC 5V Relay Module 2 Channel Relay Board with Optocoupler Support High or Low Level Trigger: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/81FmH5Q1ywL._AC_UF1000,1000_QL80_.jpg)
AEDIKO 4pcs DC 5V Relay Module 2 Channel Relay Board with Optocoupler Support High or Low Level Trigger: Amazon.com: Industrial & Scientific
![5V/12V/24V Relay Module,1 Channel Optocoupler Relay Module Board High & Low Trigger (5V): Amazon.com: Industrial & Scientific 5V/12V/24V Relay Module,1 Channel Optocoupler Relay Module Board High & Low Trigger (5V): Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61QsaGqAp7L._AC_UF1000,1000_QL80_.jpg)