I’m trying to make a device that measures the level of sound in a room fairly accurately and then lights up LEDs if it reaches a predetermined level. Help me shop! So far in my shopping cart I have: Sparkfun RedBoard Arduino Sparkfun MEMS Microphone Breakout INMP401 Neopixel 24 LED ring 9v bat…

Sound Level Warning Device: Suggested shopping list

lyndon November 16, 2018, 2:30am 3

You said you want it to be accurate. How are you going to calibrate it?

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