Gravity: Analog Sound Level Meter _MAKE_SOLDER Jumper Wires

Jumper Wires

with no need to buy additional hardware like monitor

Updated instructions are found in this blog post

Power is supplied through VSYS meaning that you can use Pico Scroll Pack both on USB power and from external supplies (so long as they can supply 3V+) making it ideal for battery-powered projects

Communication: 3

Gravity: Analog Sound Level Meter _MAKE_SOLDER Jumper WiresThis is an Arduino compatible sound level meter(also known as decibel meter, noise meter). It uses instrument circuit and low noise microphone, which enable it to accurately measure the sound level of the surrounding environment. It can be applied to environmental noise testing, such as highway noise monitoring station, bedroom noise monitoring, etc. Nowadays, there are many kinds of sounds surrounding, some of which are really noisy. It is really