Arduino Uno With Optocoupler Relay Arduino Uno With Optocoupler Relay is a board based on ATmega328p which is an 8-bit microcontroller from ATMEL. The main purpose of building this board is to use it ...

Product Introduction: 1.Driving Port Signal Voltage:3.6-24V 2.Output Port Voltage Port:3.6-30V 3.Jumper Cap Can Achieve Output Port Is High POtential Or Pull Down Output 4.Onboard 4-Channel 817 Are ...

Take your electronics projects to the next level with these versatile 5V relay modules! Available in 1, 2, 4, or 8 channels, they’re perfect for Arduino, Raspberry Pi, or any DIY automation setup.