Month: October 2012

Fun with Piezo’s

I’ve created a simple beeping alarm with a Piezo transducer. Connect the Piezo + to pin 9, and the Piezo – to Gnd. Run the following sketch. Next version will be using the tone() command to build a Morse Code trainer. /*  Piezo    This example shows how to run a Piezo Buzzer on pin 9  using the analogWrite() function.    It beeps 3 times fast at startup, waits a second then beeps continuously  at a slower pace    */ void setup() { // …

Fun with Piezo’s Read More »