[AC_Hacker]

Originally Posted by jeff5may

I like this one:
Amazon.com: SunFounder 4 Channel 5V Relay Shield Module for Arduino UNO 2560 1280 ARM PIC AVR STM32: Computers & Accessories

OK, I can see that... Pretty high current, indicator LEDs for prototyping, the little black chunks are opto-isolators (I hope). Price seems pretty good.

Can you trigger the relays directly from an Arduino output??

OK, so how do you plan to use something like this relay assembly?

-AC