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Kleines Microfon für den Raspberry Pi mit verbauten Widerständen.
Die Ausgabe ist ein Analog Signal. Dieses muß noch mit einem AD Wandler auf Digital geändert werden und dann per i2C ausgegeben werden

Bei Flikto, oder

Add an ear to your project with this well-designed electret microphone amplifier. This fully assembled and tested board comes with a 20-20KHz electret microphone soldered on. For the amplification, we use the Maxim MAX4466, an op-amp specifically designed for this delicate task! The amplifier has excellent power supply noise rejection, so this amplifier sounds really good and isn't nearly as noisy or scratchy as other mic amp breakouts we've tried!

Ein passender AD Wandler
Adafruit ADS1015 12-Bit ADC - 4 Channel with Progrmmable Gain Amplifier
For microcontrollers without an analog-to-digital converter or when you want a higher-precision ADC, the ADS1015 provides 12-bit precision at 3300 samples/second over I2C. The chip can be configured as 4 single-ended input channels, or two differential channels. As a nice bonus, it even includes a programmable gain amplifier, up to x16, to help boost up smaller single/differential signals to the full range. We like this ADC because it can run from 2V to 5V power/logic, can measure a large range of signals and its super easy to use. It is a great general purpose 12 bit converter.

Bauteile zusammengesteckt
Korrektur : 40 Pin Adapter für das Modell B Plus
Zusammenstellung: Bauteile für Verkehrszähler
Mikrofon für Raspberry Pi mit AD Wandler
Liste Accelerometer mit i2C Seriellem Anschluß
Raspberry Sensor für Erschütterungen und Bewegungen Accelerometer 15 Euro


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