4 CHANNEL SOLID STATE RELAY MODULE - Whadda
diymore DC 12V ESP8266 4 Channel Relay Board ESP 01 WIFI Module for Smart Home Intelligent Furniture 4 Channel WIFI Relay Module|Integrated Circuits| - AliExpress
1pcs 12v 4 Channel Relay Module Relay Control Relay Output 4 Way Relay Module For Arduino - Relays - AliExpress
Addicore 4 Channel Relay Module
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4 Relay Module 5V opto-isolated
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Relay Module 5V x 4 Relay w/ Opto-isolation - ProtoSupplies
![4-Channel Relay Module-10A [Four-Relay-Module] - US $2.50 : HAOYU Electronics : Make Engineers Job Easier](http://www.haoyuelectronics.com/Attachment/Four-Relay-Module/Four-Relay-Module-1.jpg "4-Channel Relay Module-10A [Four-Relay-Module] - US $2.50 : HAOYU Electronics : Make Engineers Job Easier")
4-Channel Relay Module-10A [Four-Relay-Module] - US $2.50 : HAOYU Electronics : Make Engineers Job Easier
Amazon.com: HiLetgo 12V 4 Channel Relay Module with OPTO-Isolated Support High and Low Level Trigger : Industrial & Scientific
5V Four-Channel Relay Module - Pin Diagram, Specifications, Applications, Working
250V/10A 4 Channel SPDT Power Relay Module 5V Control – Envistia Mall
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Relay Shield Module for Arduino - 4-Channel
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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
4 Channel Relay Module Breakout Board (5V) | ThinkRobotics.in – ThinkRobotics.com
USB Relay Controller Board - 4 Channels for Home Automation
4 Channel 5V 10A Relay Module - RobotShop
4 Channel 5V Relay Module - Wiki
