GogoBoard + Amplifier Module

This module attaches to the regular GoGo sensor port. It allows you to use sensors that normally create signals too weak for the GoGo Board to properly detect. These sensors include sound loudness (via a microphone) and vibration (via a piezo element). It has an adjustable knob that allows you to control how much amplification you want.

Continue lendo aqui.

Fonte e foto: http://www.gogoboard.org/amplifier-module