![Amazon.com: UCTRONICS DC 12V Time Delay Relay Module, On Delay and Off Delay for Automobile, Raspberry Pi, Industrial Control, and Other Electronic Projects Amazon.com: UCTRONICS DC 12V Time Delay Relay Module, On Delay and Off Delay for Automobile, Raspberry Pi, Industrial Control, and Other Electronic Projects](https://m.media-amazon.com/images/I/61PIeRbZ0OL.jpg)
Amazon.com: UCTRONICS DC 12V Time Delay Relay Module, On Delay and Off Delay for Automobile, Raspberry Pi, Industrial Control, and Other Electronic Projects
![Amazon.com: 3v Relay Board for Raspberry Pi Arduino Relay Module 1 Channel Opto-Isolate High Level Trigger for IOT ESP8266 Microcontrollers Development Board : Electronics Amazon.com: 3v Relay Board for Raspberry Pi Arduino Relay Module 1 Channel Opto-Isolate High Level Trigger for IOT ESP8266 Microcontrollers Development Board : Electronics](https://m.media-amazon.com/images/I/61YFrIE-SxL.jpg)
Amazon.com: 3v Relay Board for Raspberry Pi Arduino Relay Module 1 Channel Opto-Isolate High Level Trigger for IOT ESP8266 Microcontrollers Development Board : Electronics
![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._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: Lystin 8 Channel DC 5V DC 230V Relay Module Control Board with Optocoupler for UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi : Electronics Amazon.com: Lystin 8 Channel DC 5V DC 230V Relay Module Control Board with Optocoupler for UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi : Electronics](https://m.media-amazon.com/images/I/71yA-+geRfL.jpg)
Amazon.com: Lystin 8 Channel DC 5V DC 230V Relay Module Control Board with Optocoupler for UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi : Electronics
![Amazon.com: XYGStudy Raspberry Pi Expansion Board Power Relay Module for Raspberry Pi 4 3 2 Model B B+ A+ : Electronics Amazon.com: XYGStudy Raspberry Pi Expansion Board Power Relay Module for Raspberry Pi 4 3 2 Model B B+ A+ : Electronics](https://m.media-amazon.com/images/I/61lbAlOgS2L.jpg)
Amazon.com: XYGStudy Raspberry Pi Expansion Board Power Relay Module for Raspberry Pi 4 3 2 Model B B+ A+ : Electronics
![Amazon.com: Ingcool Compatible with Raspberry Pi Expansion Board Power Relay Module Kits for Raspberry Pi 4B/3B+/3B/2B/ A+/B+ 5A 250V AC/ 5A 30V DV : Electronics Amazon.com: Ingcool Compatible with Raspberry Pi Expansion Board Power Relay Module Kits for Raspberry Pi 4B/3B+/3B/2B/ A+/B+ 5A 250V AC/ 5A 30V DV : Electronics](https://m.media-amazon.com/images/I/71LXvK81heL.jpg)
Amazon.com: Ingcool Compatible with Raspberry Pi Expansion Board Power Relay Module Kits for Raspberry Pi 4B/3B+/3B/2B/ A+/B+ 5A 250V AC/ 5A 30V DV : Electronics
![Yizhet 2 Canali Relay Modulo DC5V Relè con Accoppiatore Ottico per Arduino Raspberry Pi BRACCIO AVR DSP del PIC : Amazon.it: Informatica Yizhet 2 Canali Relay Modulo DC5V Relè con Accoppiatore Ottico per Arduino Raspberry Pi BRACCIO AVR DSP del PIC : Amazon.it: Informatica](https://m.media-amazon.com/images/I/71E6vvkv3uL._AC_SX466_.jpg)
Yizhet 2 Canali Relay Modulo DC5V Relè con Accoppiatore Ottico per Arduino Raspberry Pi BRACCIO AVR DSP del PIC : Amazon.it: Informatica
![Amazon.com: ELEGOO 4 Channel DC 5V Relay Module with Optocoupler Compatible with Arduino UNO R3 MEGA 2560 DSP ARM PIC AVR STM32 Raspberry Pi : Electronics Amazon.com: ELEGOO 4 Channel DC 5V Relay Module with Optocoupler Compatible with Arduino UNO R3 MEGA 2560 DSP ARM PIC AVR STM32 Raspberry Pi : Electronics](https://m.media-amazon.com/images/I/71-LmPoCd9L._AC_UF894,1000_QL80_.jpg)
Amazon.com: ELEGOO 4 Channel DC 5V Relay Module with Optocoupler Compatible with Arduino UNO R3 MEGA 2560 DSP ARM PIC AVR STM32 Raspberry Pi : Electronics
![Amazon.com: XYGStudy Raspberry Pi Expansion Board Power Relay Module for Raspberry Pi 4 3 2 Model B B+ A+ : Electronics Amazon.com: XYGStudy Raspberry Pi Expansion Board Power Relay Module for Raspberry Pi 4 3 2 Model B B+ A+ : Electronics](https://m.media-amazon.com/images/I/51yb9U6UveL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFOURANDHALF%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA69%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com: XYGStudy Raspberry Pi Expansion Board Power Relay Module for Raspberry Pi 4 3 2 Model B B+ A+ : 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/71dSbBDm0PL.jpg)
Amazon.com: JBtek 8 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM : Electronics
![Amazon.com: XYGStudy Raspberry Pi Expansion Board Power Relay Module for Raspberry Pi 4 3 2 Model B B+ A+ : Electronics Amazon.com: XYGStudy Raspberry Pi Expansion Board Power Relay Module for Raspberry Pi 4 3 2 Model B B+ A+ : Electronics](https://m.media-amazon.com/images/I/61QChtSKF3L.jpg)
Amazon.com: XYGStudy Raspberry Pi Expansion Board Power Relay Module for Raspberry Pi 4 3 2 Model B B+ A+ : 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/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: 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/61H-L35QyZL.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: Electronics-Salon 2 DPDT Signal Relay Module Board, DC 12V Version, for Arduino Raspberry-Pi 8051 PIC. : Electronics Amazon.com: Electronics-Salon 2 DPDT Signal Relay Module Board, DC 12V Version, for Arduino Raspberry-Pi 8051 PIC. : Electronics](https://images-na.ssl-images-amazon.com/images/I/71gC98PJ3eL._AC_UL600_SR600,600_.jpg)
Amazon.com: Electronics-Salon 2 DPDT Signal Relay Module Board, DC 12V Version, for Arduino Raspberry-Pi 8051 PIC. : Electronics
![Amazon.com: KEYESTUDIO 5V DCAC 4-Channel Relay Hat Shield Module Expansion Board for Raspberry Pi 4/A+/B+/Pi 2 Model B/Pi 3 Model B : Electronics Amazon.com: KEYESTUDIO 5V DCAC 4-Channel Relay Hat Shield Module Expansion Board for Raspberry Pi 4/A+/B+/Pi 2 Model B/Pi 3 Model B : Electronics](https://m.media-amazon.com/images/I/61J6t0B5ozL._AC_UF894,1000_QL80_.jpg)
Amazon.com: KEYESTUDIO 5V DCAC 4-Channel Relay Hat Shield Module Expansion Board for Raspberry Pi 4/A+/B+/Pi 2 Model B/Pi 3 Model B : 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 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
![Huayao 2pcs 8 Channel DC 5V Relay Module with Optocoupler for UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi - Amazon.com Huayao 2pcs 8 Channel DC 5V Relay Module with Optocoupler for UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi - Amazon.com](https://m.media-amazon.com/images/I/5185U154TxL._AC_UF894,1000_QL80_.jpg)
Huayao 2pcs 8 Channel DC 5V Relay Module with Optocoupler for UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi - Amazon.com
![Amazon.com: Newest Raspberry Pi 8-Channel Relay Expansion Board 5V Power Relay Module for Raspberry Pi 4 3 2 Model B+ B Jetson Nano @XYGStudy : Electronics Amazon.com: Newest Raspberry Pi 8-Channel Relay Expansion Board 5V Power Relay Module for Raspberry Pi 4 3 2 Model B+ B Jetson Nano @XYGStudy : Electronics](https://m.media-amazon.com/images/I/51m1qe7I8SL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Newest Raspberry Pi 8-Channel Relay Expansion Board 5V Power Relay Module for Raspberry Pi 4 3 2 Model B+ B Jetson Nano @XYGStudy : Electronics
![Newest Raspberry Pi 8-Channel Relay Expansion Board 5V Power Relay Module for Raspberry Pi 4 3 2 Model B+ B Jetson Nano @XYGStudy : Electronics - Amazon.com Newest Raspberry Pi 8-Channel Relay Expansion Board 5V Power Relay Module for Raspberry Pi 4 3 2 Model B+ B Jetson Nano @XYGStudy : Electronics - Amazon.com](https://m.media-amazon.com/images/I/51LeVidcBkL._AC_UF894,1000_QL80_.jpg)
Newest Raspberry Pi 8-Channel Relay Expansion Board 5V Power Relay Module for Raspberry Pi 4 3 2 Model B+ B Jetson Nano @XYGStudy : Electronics - Amazon.com
![Amazon.com: 8 SPST-NO RPi IoT Power Relay Module for Raspberry Pi A+ 3A+ B+ 2B 3B 3B+ 4B : Electronics Amazon.com: 8 SPST-NO RPi IoT Power Relay Module for Raspberry Pi A+ 3A+ B+ 2B 3B 3B+ 4B : Electronics](https://m.media-amazon.com/images/I/71zNdQypnDL._AC_UF894,1000_QL80_.jpg)
Amazon.com: 8 SPST-NO RPi IoT Power Relay Module for Raspberry Pi A+ 3A+ B+ 2B 3B 3B+ 4B : Electronics
![SainSmart USB 4 Channel DC 12V Relay Module Automation for Arduino Raspberry Pi DSP AVR PIC ARM: Usb Relay Board: Amazon.com: Industrial & Scientific SainSmart USB 4 Channel DC 12V Relay Module Automation for Arduino Raspberry Pi DSP AVR PIC ARM: Usb Relay Board: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/41aYDXWyvJL.jpg)
SainSmart USB 4 Channel DC 12V Relay Module Automation for Arduino Raspberry Pi DSP AVR PIC ARM: Usb Relay Board: Amazon.com: Industrial & Scientific
![1 Channel Relay Shield Module, 10PCS DC 5V Indicator Light LED Module for Arduino R3 MEGA 2560 1280 ARM PIC AVR STM32 Raspberry Pi MCU DSP Official Boards Shield (10PCS): Amazon.com: Industrial 1 Channel Relay Shield Module, 10PCS DC 5V Indicator Light LED Module for Arduino R3 MEGA 2560 1280 ARM PIC AVR STM32 Raspberry Pi MCU DSP Official Boards Shield (10PCS): Amazon.com: Industrial](https://m.media-amazon.com/images/I/71lexBCo55S._AC_UF894,1000_QL80_.jpg)