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Description: Ready to add audio to your next project? This small breakout board couples a small electret microphone with a 100x opamp to amplify the sounds of voice, door knocks, etc loud enough to be picked up by a microcontroller’s Analog to Digital converter. Unit comes fully assembled as shown. Works from 2.7V up to 5.5V.
Based on 5 ratings:
1 of 1 found this helpful:
It’s convenient to have a mic with the amp cleanly although I’ve been trying to make an intercom system with no success, not the mics fault of course , but I have yet to rate the audio quality. One thing I can say is that the board itself is sturdy and forgiving with heat,when I soldered on the connections i was using an iron that got too hot and I had no experience with soldering so I spent some time with the iron very close to the board and connections and nothing was burned or damaged!
2 of 2 found this helpful:
I carefully wired a pair of these into a dynamic voice mic for recording family history in our church group. The audio you can get frim these little mics really good. I was very surprised that this little board could produce pro quality sound. Definitely recommended!
1 of 2 found this helpful:
This microphone was exactly what I needed to design a digital filter using an ARM processor. It worked on the first try without giving any problems at all. Great product!
I needed an adjustable microphone pre-amp and needed it quickly. This board isn’t adjustable but I was able to remove C1 and replace it with two caps and a pot and get what I needed. Without modification the OPA344 will clip. This isn’t a problem if you want to use the device as a binary sound detector but it’s unacceptable if you care about the quality of the audio. I can recommend this device for a quick and easy way to sense sound and with modifications for use as a simple powered microphone.
This tiny pcb with components on the back and microphone on the front, is simply super for example Arduino projects where you want to record or measure sound.