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      SparkFun gator:microphone - micro:bit Accessory Board (SF-SEN-15289)

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      SparkFun gator:microphone - micro:bit Accessory Board (SF-SEN-15289)
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      SparkFun gator:microphone - micro:bit Accessory Board (SF-SEN-15289)

      The SparkFun gator:microphone is a micro:bit Accessory Board that integrates an electret microphone into SparkFun's gator:bit series of gator-clippable accessories, enabling it to be easily interfaced with the micro:bit or other microcontrollers! It provides a binary indication of the presence of sound and an analog representation of its amplitude.

      The gator:microphone consists of four pads for power and data. There is also a switch on the board to select different audio amplification levels. Additionally, it includes an LMV324 operational amplifier (op-amp) for processing the audio signals from the microphone. The specified operating voltage for the VEML6070 is between 2.7V-5.5V. For use with the gator:bit (v2) and micro:bit, you should provide 3.3V through the 3V3 and GND pads to keep the logic levels consistent.


      • gator:bit Compatible
      • ADS1015
        • Operating Voltage (VDD): 2.0V-5.5V
        • Operating Temperature: -40°C to 125°C
        • Operation Modes: Single-Shot, Continuous-Conversion (Default), and Duty Cycling
        • Analog Inputs:
          • Measurement Type: Single-Ended (Default)
          • Input Voltage Range: GND to VDD
          • Full Scale Range (FSR): ±.256V to ±6.114V (Default: 2.048V)
        • Resolution:
          • 12-bit (Differential) or 11-bit (Single-Ended)
          • LSB size: 0.125mV - 3mV (Default: 1 mV)
        • Sample Rate: 128 Hz to 3.3 kHz (Default: 1600SPS)
        • Current Consumption (Typical): 150μA-200μA
        • I2C Address: 0x48
      • Electret Microphone
        • Operating Voltage: 1.5V (Max 10V)
        • Supply Current: 0.3mA (Max)
        • Directivity: Omnidirectional
        • Frequency Response: 20-16,000Hz
      • LMV324 Op-amp
        • Operating Voltage: 2.7V-5.5V
        • Supply Current: ~300-720µA



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