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3-24V Piezo Electronic Tone Buzzer Alarm 95DB Continuous Sound (buzzer 3-24VDC)
Description:

 Piezo Electronic Tone Buzzer Alarm 95DB for Continuous Sound. The piezo sounders are like buzzers. The speaker in the buzzer can be optimized for a single sound, no need to reproduce music.

Specifications:
  • Color: Black
  • Buzzer Type: Piezoelectric
  • Sound Pressure Level 85 dB
  • Rate Voltage: 12V DC
  • Operating Voltage: 3 - 24V
  • Max Current Rating 11mA
  • Frequency 3900±500Hz
  • Drive Method: Drive Circuit Built in
  • Mounting Holes
Contents:
  • 1 x 85DB Piezoelectric Buzzer Alarm
Resources:
R21.90  Inc VAT
Piezo Transducer - Mini 5V Buzzer (4000Hz) (buzzer pcb 5V)
Description:

If you want to add beeps, tones or alerts to your Raspberry Pi project, you require a Piezo Buzzer! This mini transducer is small but loud, and can be driven with a 1-6V peak-to-peak square wave. To use, connect one pin to ground (either one) and the other pin to a square wave out from a timer or microcontroller. For the loudest tones, stay around 4 KHz. For extra loudness, you can connect both pins to a microcontroller and swap which pin is high or low ('differential drive') for double the volume.

This one plops perfectly into a breadboard and has short legs, so can also easily be mounted on a PCB!

Please Note. This item is externally driven, e.g. requires a microcontroller to produce a tone.

Specifications:>

This Mini Piezo Transducer Features:

  •     Mini 5V Piezo Transducer
  •     PCB & Breadboard Mountable
  •     Low Power Consumption
  •     Sealed Base
  •     Wave Solderable and Washable

 Technical Specification:

  •     Rated Voltage (Vp-p Square Wave) 5Vp-p
  •     Operating Voltage 1 to 20Vp-p
  •     Rated Current at Rated Voltage 1mA
  •     Sound Output at 4000Hz at 10cm, at Rated Voltage ≥80dB
  •     Resonant Frequency 4000 ±500Hz
  •     Operating Temperature -20 to 70°C
  •     Storage Temperature -30 to 80°C
  •     External Diameter: 13.8mm
  •     External Height: 6.8mm
  •     Capacitance: 0.013µF
  •     Capacitance Max: 16.9nF
  •     Weight: 1g
  •     Model No.: ABT-402-RC
Contents:
  • 1 x Mini 5V Buzzer
Resources:
  • Using a Buzzer with a Raspberry Pi
R4.90  Inc VAT
Analog Ceramic Piezo Vibration Sensor (ceramic vibration sensor)
Description:

This vibration sensor is based on piezoelectric ceramic chip analog vibration. It makes use of the anti-conversion process that piezoelectric ceramic vibration will generate the electric signals.
When vibrating the piezoelectric ceramic chip, the sensor’s signal terminal will generate electrical signals. 

Specifications:


Working Voltage: 3.3V or 5V
Working Current: <1mA
Operating Temperature Range: -10 ~ 70
Interface Type: Analog Output
Item Size: 30mm x 23mm
GPIO: S; signal output, ; power supply (VCC), -; ground (GND)
Input: Positive electrode of the piezoelectric ceramic
GND: Negative electrode of the piezoelectric ceramic


Package includes:

1 x Ceramic Piezo Vibration Sensor
R49.90  Inc VAT
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