Amazon.com: WINGONEER 5PCS KY-019 5V One Channel Relay Module Board Shield for PIC AVR DSP ARM for Relay : Electronics
Amazon.com: SainSmart 16-Channel 12V Relay Module Board for Arduino DSP AVR PIC ARM : Toys & Games
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: CHENBO 5pcs/lot 5V 1 Channel Relay Module Board Shield Relay Board Ky-019 : Electronics
Amazon.com: Waveshare Raspberry Pi Expansion Board 8 Channel Relay Expansion Board 5V Power Supply Supports Raspberry Pi A+/B+/2B/3B/3B+ Control High Voltage Home Appliances : 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 4-Channel Relay Module : Everything Else
Amazon.com: SainSmart 2-Channel Relay Module : Automotive
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: 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: 30A 4 Channel Relay Module Expansion Board with Optocoupler for Arduino Raspberry Pi DSP AVR PIC ARM (5VDC) : Electronics
Amazon.com: SainSmart 8-Channel Relay Module : 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
Freight Load Board » The Amazon Relay Load Board »
Tolako 5v 16 Channel Relay Module Board for Arduino with Optocoupler Protection Works with Official Arduino Board: Amazon.com: Tools & Home Improvement
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 8-Channel Relay Module : Everything Else
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: Relay Expansion Board, 6 Channel RPi Relay Module Expansion Board for Pi A+/B+/2B/3B, Optocoupler Module Relay : Electronics
Amazon.com: 4 pcs DC 5V 1 Channel Relay Module Board Shield High/Low Level Trigger with Optocoupler : Industrial & Scientific
Electronics-Salon 8 Channel DPDT Signal Relay Module Board (Operating Voltage: DC 12V): Amazon.com: 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: RPi Relay Board Raspberry Pi Expansion Board, Three Channel (3-CH) Power Relay Module for Raspberry Pi 4B/3B+/3B/2B/A+/B+, Loads up to 5A 250V AC or 5A 30V DC : Electronics
Amazon.com: HiLetgo 4 Channel 24V Relay Module with OPTO-Isolated Support High and Low Level Trigger for PLC Automation Equipment Control : Industrial & Scientific
