He’s using an Arduino Uno and an Ethernet breakout board to hook it up to the network. This allows him to send text messages to himself when the alarm system is armed, disarmed, or triggered.

Tiny RTC DS1307 module White LED strip, 5 m Hardware Setup The hardware setup is pretty straightforward. The Arduino Uno is powered by an external DC supply (12 V) through its DC input socket and 5-V ...

PIR module usually requires an initial warm-up period for the sensing elements to come up to the operating mode. This usually takes not less than 30 seconds. So a 30 seconds delay is intentionally ...

Maker alarm clocks are becoming more and more fun. We recently saw this version which requires you to shoot it with a Nerf gun, and now this: an alarm clock you can play Pac-Man on. Inside of this ...

[IngGaro]’s system is built around a shield for an Arduino Mega. This shield includes connections to an alarm system, a GSM modem, temperature and humidity sensors, an Ethernet module, and IR ...