Relay Output Module: 4-pt, 6-240 VAC/6-27 VDC (PN# C0-04TRS)

Arduino 4 Relays Shield [A000110] - 4-Channel Relay Module, 5V Control, 10A Rating, Opto-Isolated, Supports AC/DC Loads, Compatible With Arduino IDE

Hiletgo 12V 1 Channel Relay Module With Optocoupler Isolation Support High Or Low Level Trigger

Sainsmart 4-Channel Relay Module

1 Pcs For UNO R3 Arduino PLC RS485 Remote IO DIY ADC Collection Relay Module DC 7-30V 6AI-6DI-4DO Multifunction Expanding Board(Only Board)

MCU, Relay Module YYG 4 High Power 4 Channel Relay Module Relay Module Control Board Optocoupler Isolation 30A DC 12V, Relays (5VDC)

4Pcs 4 Channel 5V Relay Module With Optocoupler For R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 For Raspberry Pi

4 Channel 12V Relay Module With Optocoupler High Or Low Level Trigger Expansion Board(2PCS) (4 Channel 12V Relay, 4 Channel 12V Relay)

Relay Module 30A High Power 2-Channel AC100V-250V DC 5V High Current High Low Level Trigger Switch Module

Relay Board, Relay Module 4 Channel With Optocoupler Low Level Expansion Board For 5V/12V/24V(5V)

Fainwan 2Pcs 8 Channel DC 5V Relay Module With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Rasp-Berry Pi

Vilros Arduino Uno Starter Kit - Includes Arduino Uno R3 Board, 190+ Electronics Components, Breadboard, Jumper Wires, DC Motor, Servo, Relay,

Lystin 8 Channel DC 5V DC 230V Relay Module Control Board With Optocoupler For UNO R3 MEGA 2560 1280 DSP ARM PIC AVR TTL Logic STM32 Raspberry Pi

ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)

Teyleten Robot BTS7960 43A High Power H-Bridge DC Motor Driver Module DC Motor Controller Module For Arduino Smart Car 2Pcs

Hiletgo 12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module For Arduino

Securitron Rb-4 Relay Board

5V/12V/24V 4 Channel Relay Module 4-Channel Relay Control Board For Arduino With Optocoupler Relay

DWEII 4Pack 4 Channel 5V Relay Module With Optocoupler High Or Low Level Trigger Expansion Red Board For Raspberry Pi Arduino

DC Stepper Motor Driver With Controller Integrated Board DC 530V 4A Forward/Reverse Pulse Speed Angle Control Module Programmable PLC Serial

4 Channel Relay Module DC 6-24V For Automotive Motor And LED Control Kit

Relay 4 Zero 3V 4 Channel Relay Shield For Raspberry Pi, Relay HAT Expansion Relay Board For Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero And Zero W | Power

AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module With Optocoupler Opto Isolation High Level Trigger For IOT ESP8266 Development Board