The Raspberry Pi is a credit card-sized computer capable of running full-fledged Linux distributions such as Raspberry Pi OS, ...

Basically, this program enables the Arduino UNO R4 to connect to an existing WiFi network, so it can send an SMS alert via API when the flame sensor or smoke sensors detects fire and smoke. At the ...

Looking for an alarm system to make you feel more secure? We've tested all the best professional and DIY home security systems to help you decide which is right to protect your family and property.

A JSON file for online (wowiki) simulation is also included(so you can copy paste it into wowiki's diagram editor). But Connections are as follows. mButton is for Quiz Master. You can add as many ...

Because the power-disconnection is considered an alarm-trigger on the device too. So the alarm rings when power is disconnected until you disarm it. (basically, this pg107 rings for everything: ...