Relay Module 1 2 4 8 Channel 5V 12V Board Shield Optocoupler Support High and Low Level Trigger Arduino DIY

Product Features

This relay module supports 1, 2, 4, or 8 channels, providing flexibility for different applications.
It can be triggered by high and low levels, allowing for easy integration with Arduino DIY projects.
The optocoupler design ensures electrical isolation, protecting your circuit from interference.
It is a new and reliable relay module, suitable for various electronic projects.
You can choose this relay module according to your needs, making it a useful tool for your DIY projects.