IR beam trigger event uses tasker to launch my doorbell cam app, giving me a 5-10s head start and not relying on the door bell button press event. Create a new ESPHome project, adding the code below, ...

Optex AX-200TN is an active infrared beam detector that features adjustable beam interruption time, anti-frost hood cover, and lightning and surge protection. Optex STW-303RR pre-built beam tower ...

Additional info Optex AX-650TF is a active infrared beam detector that features 16 step LED indicator. It also features lightning and surge protection and anti-frost design. Optex TWD-306RR pre-built ...

Infrared photodetectors are essential ... Recent advancements in the fabrication of these detectors, particularly through techniques like molecular beam epitaxy (MBE), have led to significant ...