When you’re prototyping a new project, sometimes all you need is a switch. The folks at oomlout were tired of constantly having to rewire things, so they built a universal switch box for the … ...

Here is the circuit of an Arduino-based Panic Alarm! The wiring is very simple so that even a novice can construct this interesting circuit without any difficulty. Arduino is a family of ...

Arduino enthusiasts, students, makers and hobbyists may be interested to know that the official Arduino team have this week announced the launch of the new Arduino Project of the Month competition ...

The entry-level kit comes with a set of eight self-assemble projects, showing how to easily turn everyday devices into ‘smart devices’, whether for the home or a workplace. No soldering is required to ...

An Arduino can be used to test the life of any battery with less than 5 volts, Boxall says. So, for a quick way to see how much juice your AAA, AA, C, or D batteries have left, build this Arduino ...

GeekDad's very own John Baicthal has joined Matthew Beckler and Adam Wolf (co-founders of Wayne and Layne) to release Make: Lego and Arduino Projects. Just like the other Make: books, it's a high ...

When reed switch is opened, pin 2 of Arduino goes high with the help of the pull-up resistor R2, and the alert signal is available through the piezo-speaker PZ1 (not an active piezo-buzzer). At the ...

With this retrofitting project, its creators combined an Arduino with a Finder Energy Meter (a device dedicated to helping users keep detailed track of their energy expenditure).