SunFounder 2 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR

5V 2-Channel Relay interface board, and each one needs 15-20mA Driver Current Equiped with high-current relay, AC250V 10A ; DC30V 10A Standard

5V 2-Channel Relay interface board, and each one needs 15-20mA Driver Current Equiped with high-current relay, AC250V 10A ; DC30V 10A Standard

SunFounder 2 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR

Relay Module - 4-Channel 5V with optocoupler for Arduino PIC ARM DSP AVR - diyaudiocart

5V pump acting strange - General Electronics - Arduino Forum

SunFounder 2 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi : Electronics

SunFounder MEGA Board Compatible with Arduino IDE ATMEGA2560 ATmega16A – TechMaster

SunFounder 2 Channel DC 5V Relay Module with Optocoupler Low Level Trigger Expansion Board Compatible with Arduino R3 MEGA 2560 1280 DSP ARM PIC AVR STM32 Raspberry Pi : Electronics

SunFounder MEGA Board Compatible with Arduino IDE ATMEGA2560 ATmega16A – TechMaster

2 Channel DC 5V Relay Module-Low Level Trigger

This relay module is 5V active low. Relay output maximum contact is AC250V 10A and DC30V 10A. Standard interface can be directly connected with

ELEGOO 4 Channel DC 5V Relay Module with Optocoupler Compatible with Arduino UNO R3 MEGA 2560 DSP ARM PIC AVR STM32

9 Relay Module Wiring ideas relay, arduino, computer projects

4 Channel 5V Relay Shield Module

2-Channel 5V Relay Module - RobotShop