Monday, 6 February 2012

Arduino

This week we reviewed oop, nothing I can comment on there.

SO I got an electret microphone with the intent to use it with my arduino, however I found that my arduino would not pick up the signal from the microphone if I hooked the mic up the same way I would a button or photoresistor. Thus, I did a little more research and purchased a 386 amp to amplify the signal, as well as capacitors and resistors to regulate the voltage. The arduino is now picking up the signal to a degree, though it still is not responding to sound. What I did notice, after reading the datasheet, is that the mic gives the raw audio waveform, with values alternating and varying 0 to 100 or so.

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