Add Arduino to happy hour sites
Add Arduino to happy hour sites

Not much activity, so spam can sit for >10 minutes undetected, with no flags
NickVolynkin/SmokeDetector,ArtOfCode-/SmokeDetector,Charcoal-SE/SmokeDetector,NickVolynkin/SmokeDetector,ArtOfCode-/SmokeDetector,Charcoal-SE/SmokeDetector