Amazon.com: Electronics-Salon 2 DPDT Signal Relay Module Board, DC 12V Version, for Arduino Raspberry-Pi 8051 PIC. : Electronics
Amazon.com: SainSmart 8-Channel Relay Module : Automotive
Tolako 5v Relay Module 5V Indicator Light LED 1 Channel Relay Module for Arduino ARM PIC AVR MCU
Amazon.com: HiLetgo 12V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino : 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: JBtek 8 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM : Electronics
SunFounder 5V 8 Channel Relay Shield Module for Arduino R3 2560 1280 ARM PIC AVR STM32 Raspberry Pi 3, 2 Model B & B+
Amazon.com: SainSmart 5V 2-Channel Solid State Relay Board for Arduino Uno Duemilanove Mega2560 Mega1280 Arm Dsp Pic : Everything Else
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
Songhe DC 1 Channel Optocoupler 3V/3.3V Relay High Level Driver Module Isolated Drive Control Board 3V/3.3V Relay Module for Arduino (Pack of 5): Amazon.com: Industrial & Scientific
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: AEDIKO 8 Channel Relay Module DC 5V Relay Board with OPTO-Isolated Support High or Low Level Trigger : Automotive
SainSmart 16-Channel 12V Relay Module Board for Arduino DSP AVR PIC ARM
HiLetgo 24V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino: Amazon.com: Industrial & Scientific
Tolako 5v Relay Module 5V Indicator Light LED 1 Channel Relay Module for Arduino ARM PIC
Amazon.com: Xiuxin 2pcs 5V 8 Channel Relay Module Board for Arduino PIC AVR DSP ARM : Electronics
Tolako 5v Relay Module 5V Indicator Light LED 1 Channel Relay Module for Arduino ARM PIC AVR MCU
JBtek 4 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM
AITRIP 10PCS 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger Compatible with Arduino Raspberry pi ARM AVR
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 : Industrial & Scientific
HiLetgo 2pcs 5V One Channel Relay Module Relay Switch with OPTO Isolation High Low Level Trigger
Amazon.com: SainSmart 8-Channel 5V Solid State Relay Module Board for Arduino Uno Duemilanove MEGA2560 MEGA1280 ARM DSP PIC : Everything Else
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: SainSmart 2-Channel Relay Module : Industrial & Scientific
DaFuRui 12v Relay Module，8Pack 1 Channel Relay Module 12v Relay Board with Optocoupler Support High/Low Level Trigger for Arduino Relay: Amazon.com: Industrial & Scientific
DIYables 3pcs Relay Module for Arduino, ESP32, ESP8266, Raspberry Pi, 1 Channel, 5V, High/Low Level Trigger
