For the other wired-in detectors in your house, you have numerous options, including the SM100V-AC, a photoelectric sensor with voice commands ($59.95), or the SMI100-AC, an ionization detector that ...

For the existing photoelectric smoke detector, an infrared light source and a light-sensing photodiode are placed in opposite directions inside the detector. When particles, such as smoke ...

Here’s a fun video by [Ashish Derhgawen], discussing the photoelectric effect of neon lamps with some simple demonstrations. Orange light makes it light! [Ashish] demonstrates the well-known ...

Make: Bosch Model code: DS455Q Dual/ Quad Technology: Quad Technology Detectors Infra Red Beams: Yes Coverage/ Range m: Indoor: 250 / Outdoor: 160 Bosch DS455Q photoelectric detector provides an ...