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  • Piezo Buzzer - PS1240
  • Xuất xứ: Adafruit - USA
  • Giá: 50.000 đ
  • Tình trạng: Còn hàng
  • Lượt xem: 1093

Piezo Buzzer - PS1240

Mã sản phẩm: 160

Hãng sản xuất: Adafruit - USA

DESCRIPTION

Piezo buzzers are used for making beeps, tones and alerts. This one is petite but loud! Drive it with 3-30V 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, but works quite well from 2KHz to 10KHz. 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.

Here is the datasheet

TECHNICAL DETAILS

Dimensions:

  • Diameter: 11.90mm/0.47in

  • Height: 6.53mm/0.26in

  • Weight: 0.70g/0.02oz

netduino driver and netduino sample. This sample plays RTTL ring tones based on classic video games. They sound pretty good on a piezo buzzer or a small speaker.

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