Porch Light Won't Come On Until Someone's There? | TEO
A homeowner fitted a PIR-controlled porch light expecting it to welcome visitors, and every guest arrived to a dark doorway because the light only triggered once they'd already stepped close. This guide covers the real difference between photocell (presence) and PIR (alert), which suits a front door vs a side gate, why some "dual sensor" products don't genuinely combine both, and the self-triggering fault behind a flickering photocell light.
