Deer Park, N.Y. — Challenge Electronics, Inc. has introduced a new series of miniature, lead-free piezo alarms that fit a variety of audible systems including those in marine, automotive, industrial, ...

Introduced as the industry's smallest piezo buzzer with an IP67 rating, the CPE-243 is designed for a range of waterproof and dustproof applications such as transportation, home ...

Beaverton, Ore. — CUI Inc. claims it offers the industry's smallest piezo buzzer with an IP67 rating. Designed for a range of waterproof and dustproof applications in transportation, home appliances, ...

For unfriendly environments, the TRIP-365 series waterproof, panel-mount piezo audio alerts meet or exceed IP65 environmental requirements. The transducers feature a selective output, which yields ...

Honeywell's new Piezo Dynamic (PD) Series Sirens (the WAVE2PD and the 747PD) produce a traditional speaker sound, but draw only a quarter of the current used by typical sirens, making it easier to ...

The Cell Phone Bomb Simulator from Non Lethal Training Munitions is a safe yet highly effective device for training TAC teams and EOD personnel how to deal with terrorist threats. A loud pizo ...

You'll need a DC piezo buzzer or siren, a 10k Ohm resistor, an NPN transistor, two nails, 4 AA batteries and a battery pack, and an extremely thin wire to act as the trigger. EngineeringShock used ...

So when [Martin] purchased a battery-powered smoke detector and rigged it up to notify him exactly when the piezo siren is activated, the evolution of the automatic fire alarm continued into the ...

Piezo elements have the useful property of being bidirectional; that is they can move when you apply electricity to them, but they can also generate electricity when you move them. [Carl] takes adv… ...