Here is an ultra simple Arduino Night Alarm project wired around a handful of inexpensive ... For example, you can make your circuit sound an audible alert (and fire a warning lamp) whenever it ...

We don’t think we’d want to trust our fire safety to a robot carrying ... “What do I do with that flame sensor that came in the big box of Arduino sensors I bought from China?” ...

[Raspduino Uno] on YouTube has instead used ultrasound for targeting for an altogether simpler desktop fire control ... the launcher, an Arduino Uno uses an ultrasonic sensor pair mounted atop ...