ofxRPiezos - piezos to OSC messages, running on raspberry pi

Hi everyone, i’ve made a oF based device that turns piezo sensor data to OSC messages, running on the raspberry Pi.
The is a system composed by a shield to mount on the rPi, a server application running on the rPi to elaborate signals and a client side calibration utility.

perfoboard prototype:

calibration utility:

the code is on github: