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The Buzz Click board is an accessory board in mikroBus form factor. The board features a piezo speaker capable of emitting audio signals, with a resonant frequency of 3.8kHz. The on-board buzzer driver is connected to both the CS and PWM mikroBus lines. It is set to use the 5V mikroBus power supply by default, however soldering the PWR SEL SMD jumper to the 3.3V position will allow it to be used with 3.3V mikroBus systems. |