Amazon.com: 4 SPDT 10Amp Power Relay Module for Raspberry Pi etc IoT Project, DC12V Version : Electronics
Amazon.com: JBtek 4 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM : Electronics
1PCS 8 Channel 3.3V Relay Module 3V Optocoupler Module 8 Way Relay Control Board: Amazon.com: Industrial & Scientific
AEDIKO 2pcs DC 12V Relay Module 4 Channel Relay Board Shield with Optocoupler Isolation Suport High/Low Level Trigger: Amazon.com: Industrial & Scientific
Amazon.com: ACEIRMC 10pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger (5V) : Industrial & Scientific
Amazon.com: JBtek 4 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM : 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 5V 8 Channel Relay Shield Module for Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+ : Electronics
Amazon.com: SainSmart 4-Channel Relay Module : Automotive
Amazon.com: 4 pcs DC 5V 1 Channel Relay Module Board Shield High/Low Level Trigger with Optocoupler : Industrial & Scientific
Amazon.com: SainSmart 16-Channel 12V Relay Module Board for Arduino DSP AVR PIC ARM : Electronics
Zigbee WiFi Mini Smart Switch Relay Module 2 Way Dual-Mode Control 16A Switch for Smart Home Automation, Compatible with Alexa Google Home: Amazon.com: Tools & Home Improvement
Amazon.com: SunFounder 5V 8 Channel Relay Shield Module for Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+ : Electronics
Multifunction Time Relay Module, 8-36V 4-Channel Multifunction Time Delay Relay Interface Board Module Optocoupler LED: Amazon.com: Industrial & Scientific
5v Relay Module 1 Channel Relay Board for Raspberry Pi with Opto-Isolated High or Low Level Trigger 5v 1 Channel Relay Switch for Arduino: Amazon.com: Industrial & Scientific
Amazon.com: AITRIP 10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger Compatible with Arduino Raspberry pi ARM AVR : Industrial & Scientific
Amazon.com: HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger : Industrial & Scientific
12V Relay Board Module 16 Channel PLC Controller Serial Port Switch RS485 Relay Module for 64 Devices in Parallel Industrial Electronics: Amazon.com: Industrial & Scientific
Amazon.com: AITRIP 10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger Compatible with Arduino Raspberry pi ARM AVR : Industrial & Scientific
SONOFF Mini R2 10A Smart WiFi Wireless Light Switch, Universal DIY Module for Smart Home Automation Solution, Works with Amazon Alexa & Google Home Assistant, No Hub Required - Amazon.com
Zigbee WiFi Mini Smart Switch Relay Module 2 Way Dual-Mode Control 16A Switch for Smart Home Automation, Compatible with Alexa Google Home: Amazon.com: Tools & Home Improvement
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
Hilitand 8 Channel Relay Module, 12V 8 CH DB9 RS 232 Relay Module Remote Control Switch Smart Home: Amazon.com: Tools & Home Improvement
![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: [2-Pack] DC 5V Relay Module 2-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger : Industrial & Scientific
