“In this Instructable I’ll show how to make a Sound Meter using an Arduino and some more components.
This is a school project I did recently which took me a year to complete, it is based on the construction of a Sound Meter which registers sound levels in decibels. The objective was highlighting noise pollution, a type of pollution that is less known, but which constantly affects us in our daily lives.
Electronics:
1 - Arduino MEGA 2560
1 - SparkFun Sound Detector
1 - MicroSD Card Module
1 - Standard protoboard
1 - Neopixel LED Strip
1 - LCD (20X4)
1 - RTC DS3231(Real Tme Clock)
1 - Seven degment display
2 - 9V Batteries
1 - Buck Converter
12 - 220 Ω Resistor
1 - 470 Ω Resistor
Cables
2 - Switches
1 - 1000 μF Capacitor
3D Printing:
Anet A8
Bq Black PLA
Assembly/tools:
Hot glue + Hot glue gun
Super Glue
Screws —> 3mm x various lengths
Double sided tape
Soldering Iron + Heat-shrink tubes
Screwdriver
Electrical tape”