Abstract: The application note presents a simple circuit that senses a supply-current increase triggered by activation of a smoke detector’s internal alarm. The circuit then sends a remote output to ...

These articles are brought to you in association with Pocket-lint and our partners. Smoke detectors are an essential part of all households. If there’s even a remote possibility of a fire, you need to ...

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. Most smart home devices nowadays are purchased for ...

With the launch of a new intelligent Remote Test Capable photoelectric detector (2251BR), System Sensor adds simplified remote testing capability to the updated DNR and watertight NEMA DNRW ...

This alarm circuit was designed to monitor a mains-powered smoke detector located in a shed (which is used to house dog kennels). It provides complete isolation from the mains so that low-voltage (12V ...