AC Dimmer Flickering?

Hi everyone!

I'm trying to create an arduino controlled light dimmer. I'm using this robotdyne dimmer. I'm testing it using simple on/off toggle code on the company's github (here), but the dimmer is flickering in a consistent pattern of every 1-2 seconds dim slightly, flicker twice, brighten back up. I tried replacing the dimmer module with a spare, but got the same issue. I've also noticed the LED on the dimmer module flickering as well. I know the light itself works fine as I regularly use it with a manual dimming slider.

Any suggestions or help? I'm really new to all this so please excuse if I ask any stupid questions. Thanks!

Touch here for the full post on the Arduino Apprentices tumblr

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