6 Second periodic spikes with my Shake with SWARM

Hi,

Does anybody know what these periodic spikes are with my Shake in SWARM? They occur about every 6 seconds and are particularly visible during the night from my location. I can provide more info on site location if needed.
Thanks
Steve

I had similar spikes and replaced the wall wart power supply and fixed it. Cause unk…
Jerry

Of course! These small switching power supplies can cause that. I will try a linear PS with a smoother regulated output.
Thanks
Steve