Hi All, I hooked up an electret microphone with an opamp circuit (the one used on the Esplora board) with an AtTiny85 and a WS2812 led string ( Adafruit NeoPixel Digital RGB LED Strip - Black 60 LED [BLACK] : ID 1461 : $99.80 : Adafruit Industries, Unique & fun DIY electronics and kits ). See the cir…

Electret Microphone with LM358 gives weird analog reads combined with WS2812

polymorph May 21, 2014, 6:58pm 12

What power source? Are you overwhelming the power source with more LEDs?

Do you have a DMM so you can monitor the 5V line?

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