SainSmart USB 4 Channel DC 12V Relay Module Automation for Arduino Raspberry Pi DSP AVR PIC ARM: Usb Relay Board: Amazon.com: Industrial & Scientific
Amazon.com: SainSmart 8-Channel Relay Module : Everything Else
AEDIKO 4pcs Relay Module DC 12V Relay Board 1 Channel with Optocoupler Isolation Support High or Low Level: Amazon.com: Industrial & Scientific
Amazon.com: HiLetgo 4 Channel 24V Relay Module with OPTO-Isolated Support High and Low Level Trigger for PLC Automation Equipment Control : Industrial & Scientific
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: ACEIRMC 10pcs 12v Relay Board for Raspberry Arduino Relay Module 1 Channel Opto-Isolated High or Low Level Trigger (12V) : Industrial & Scientific
Amazon.com: 30A 4 Channel Relay Module Expansion Board with Optocoupler for Arduino Raspberry Pi DSP AVR PIC ARM (5VDC) : Electronics
Amazon.com: SainSmart 16-Channel 12V Relay Module Board for Arduino DSP AVR PIC ARM : Toys & Games
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 16-Channel 12V Relay Module Board for Arduino DSP AVR PIC ARM : Toys & Games
Electronics-Salon 8 Channel DPDT Signal Relay Module Board (Operating Voltage: DC 12V): Amazon.com: Industrial & Scientific
Amazon.com: CHENBO 5pcs/lot 5V 1 Channel Relay Module Board Shield Relay Board Ky-019 : Electronics
AEDIKO 8 Channel Relay Module DC 5V Relay Board with OPTO-Isolated Support High or Low Level Trigger: Amazon.com: Industrial & Scientific
Amazon.com: SainSmart 5V 2-Channel Solid State Relay Board for Arduino Uno Duemilanove Mega2560 Mega1280 Arm Dsp Pic : Everything Else
Amazon.com: Weewooday 15 Pieces 5V Relay Module 1- Channel Relay Control Boards with Optocoupler Isolation High and Low Level Trigger Expansion Board : Industrial & Scientific
Amazon.com: HiLetgo 5V 4 Channel Relay Shield for UNO R3 Relay Shield Four Channel Relay Shield for UNO R3 : Electronics
Amazon.com: GeeekPi Raspberry Pi Expansion Board 4 Channel Relay Board Module Power Relay Module for Raspberry Pi 4B & Raspberry Pi 3 Model B+ & Raspberry Pi 3/2 Model B (No Programming
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: ARCELI 5PCS KY-019 5V One Channel Relay Module Board Shield for PIC AVR DSP ARM for Relay : Electronics
Amazon.com: SainSmart 8-Channel 5V Solid State Relay Module Board for Arduino Uno Duemilanove MEGA2560 MEGA1280 ARM DSP PIC : Everything Else
Amazon.com: 2Pcs DC 5V 4 Channel Relay Module Board Shield with Optocoupler Isolation Suport High/Low Level Trigger Relay : Patio, Lawn & Garden
Amazon.com: Relay Expansion Board, 6 Channel RPi Relay Module Expansion Board for Pi A+/B+/2B/3B, Optocoupler Module Relay : Electronics
AEDIKO 4pcs Relay Module DC 12V Relay Board 1 Channel with Optocoupler Isolation Support High or Low Level: Amazon.com: Industrial & Scientific
Amazon.com: SainSmart 2-Channel Relay Module : Automotive
3v Relay Board Raspberry Pi Arduino Relay Module 1 Channel Opto-Isolate High Level Trigger for IOT ESP8266 Microcontrollers Development Board: Amazon.com: Industrial & Scientific
