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Locker Security Switch

Want an inexpensive locker security switch? Look no further – build this little but versatile project. All components for this...

Arduino pulseIn() Primer

A while ago someone asked me via email how to read a pulse input on an Arduino I/O pin. So, I decided to write a short note about...

Arduino Larson Scanner

This is the simple way to play with a Larson Scanner. Just buy a Larson Scanner kit like the one shown above and start up the...

Embedded Systems