Amazon.com: HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger : Industrial & Scientific
Treedix 6pcs 1 Channel 12V Relay Module with Optocoupler Isolation Relay Control Board Compatible with Arduino UNO R3 Raspberry Pi DSP AVR PIC ARM: Amazon.com: Industrial & Scientific
Amazon.com: SuziePi 2PCS DC 5V 4 Channel Relay Module Compatible with Arduino R3 MEGA Raspberry Pi with Optocoupler High/Low Level Trigger Expansion 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
Amazon.com: Waveshare Industrial 6-Channel Relay Module for Raspberry Pi Zero WH RS485/CAN Bus Power Supply Isolation Photocoupler Isolation : Electronics
8 Channel I2C Interface Relay Module for Arduino, Raspberry PI, Home Assistant YAML, ESP32 3.3V 5.0V 10A Peak LED Indicator for Each Relay Channel Control AC DC Voltage - I2C I/O pin
Amazon.com: waveshare Pi Expansion Board Power Relay Board Module Kit for Raspberry Pi 4B/3B+/3A+/3B/2B/B+/A+ CM3/3+,Remote Control Make Home Appliances Intelligent : Electronics
Amazon.com: waveshare Pi Expansion Board Power Relay Board Module Kit for Raspberry Pi 4B/3B+/3A+/3B/2B/B+/A+ CM3/3+,Remote Control Make Home Appliances Intelligent : Electronics
Amazon.com: XYGStudy Raspberry Pi Expansion Board Power Relay Module for Raspberry Pi 4 3 2 Model B B+ A+ : Electronics
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: JBtek 4 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM : Electronics
Amazon.com: 10pcs 12V Relay Module with Optocoupler High or Low Level Trigger Expansion Board for Raspberry Pi Arduino : Electronics
Wired DC-AC 3Amp Isolated Solid State Relay Module, SSR in 3-32VDC Out 90-250VAC, for Raspberry-Pi Arduino ESP32 PLC MCU DSP: Amazon.com: Industrial & Scientific
Electronics-Salon 2 DPDT Signal Relay Module Board, DC 5V Version, for Arduino Raspberry-Pi 8051 PIC.: Amazon.com: Industrial & Scientific
8 Channel Electromagnetic Relay Module 10A Direct Control 3.3V 5.0V Operation time 8 ms max/Compatible with Arduino, Raspberry PI, MCU and PLC Applications/Board fits to DIN Rail Plastic Holder.: Amazon.com: Industrial &
Amazon.com: 8 SPST-NO RPi IoT Power Relay Module for Raspberry Pi A+ 3A+ B+ 2B 3B 3B+ 4B : Electronics
Amazon.com: 2PCS 4 Channel 12V Relay Module with Optocoupler High or Low Level Trigger Expansion Board for Raspberry Pi Arduino STM32 Red : Industrial & Scientific
Amazon.com: 12V 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 (12V-2Channel) : Industrial &
Amazon.com: Electronics-Salon RPi Power Relay Board Expansion Module for Raspberry Pi A+ 3A+ B+ 2B 3B 3B+ 4B : Industrial & Scientific
Amazon.com: Optocoupler-Isolated 2 Channel DC 5V Relay Module for Arduino Raspberry Pi MEGA 2560 DSP AVR PIC ARM MCU STM32, Electronic Experiment, Smart Home, Industrial Control, Robot : Electronics
Hilitand 8 Channel Relay Module, 12V 8 CH DB9 RS 232 Relay Module Remote Control Switch Smart Home: Amazon.com: Tools & Home Improvement
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: SunFounder Relay Module Compatible with Arduino and Raspberry Pi 5V DC Trigger by HIGHLO (HIGH Trigger) : Electronics
Amazon.com: Treedix 4 Channel DC 12V Relay Module with Optocoupler Isolation Relay Control Board Compatible with Arduino UNO R3 Raspberry Pi DSP AVR PIC ARM : Industrial & Scientific
