Car Audio or Theater: SainSmart 4-Channel Relay Module - SainStore Inc.
Home Improvement: DC 12V 40A NO 4 Pin 6.5mm Mounting Hole 4 Pins Socket Automotive Truck Car Relay - Amico
PC Accessory: JBtek 4 Channel DC 5V Relay Module for Arduino Raspberry Pi DSP AVR PIC ARM - JBtek
Car Audio or Theater: SainSmart 5V 4-Channel Solid State Relay Board for Arduino Uno Duemilanove MEGA2560 MEGA1280 ARM DSP PIC - SainStore Inc.
Personal Computer: Honey House 5v 4 Channel Relay Module for Arduino Raspberry Pi PIC AVR ARM DSP - Honey House
CE: SMAKN? Blue SRD-12VDC-SL-C 4 Channel DC 12V High/Low Level Power Relay Module Board - SMAKN
PC Accessory: SunFounder 4 Channel 5V Relay Shield Module for Arduino UNO 2560 1280 ARM PIC AVR STM32 Raspberry Pi - SunFounder
Photography: JM70A Remote Control Switch Kit 4 Channel/4 Relay 433M Hz DC 12V Toggle/Momentary/Latch - JUMO Trading LLC
PC Accessory: BeesClover 2 PCS 5V 4-Channel Relay interface board + 12 pcs 1P dupont cable 200mm female to female , and each one needs 15-20mA Driver - beesclover
Automotive Parts and Accessories: AGT (5 Pack) 30/40 AMP Relay Harness Spdt 12V Bosch Style (40AMP-HRNS) - GENSSI
Car Audio or Theater: DC 12V 40A AMP Black Plastic 4 Pins SPST Automotive Alarm Relay - Amico
Car Audio or Theater: New 2 Lot Car Auto Truck 12V 12 Volt DC 40A AMP Relay & Socket SPST 4Pin 4 Wire - Crystalcity-6662
Automotive Parts and Accessories: Promax Starter Relay SOLENOID for 4-stroke GY6 Engine 50cc 70 cc 90cc 110 cc 125cc 150 cc 200cc 250 cc ATV Dirt Bikes Scooters Go Kart Dne Buggys Quad 4 Wheelers Pit Bike Moped Roketa SSR Taotao Sunl Coolster - MAXPRO
Car Audio or Theater: Arrela? 4-channel 5v Relay Module with Optocoupler for Arduino DSP AVR PIC ARM - Arrela Tech.
Home Improvement: HH54P AC 110/120V Coil 4PDT 4NO 4NC 14 Pin General Purpose Power Relay - Amico
PC Accessory: KingSo?5V 4-Channel Relay Module Low Strigger For Arduino Raspberry PIC ARM DSP AVR MSP430 - KingSo
Automotive Parts and Accessories: HELLA H84988001 4-Way Mini Relay Box Kit - HELLA
PC Accessory: SainSmart 4-CH Relay Module Infrared Remote Controllor IR Receiver 5V + 4-CH Relay Module - SainSmart
Home Improvement: Taco TSR504-4 Four Zone Switching Relay - Taco
Personal Computer: Logisys Corp. 12V 4-Channel Remote Control (RM04) - Logisys Corp.
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4 Relay Popular Q&A
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Q: Who is correct? positions in 4x4 relay.
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