A Arduino implementation of a skin temperature, and breathing frequency sensors box. Able to connect to almost any experimental design by 3 photodiode signals to keep the signals time-align. Everything it's under crapl license TO DO: [*] upload arduino sketch [*] upload simple python data saving script [ ] create/upload circuit diagram [ ] create/upload 3d printer files [ ] ??? [ ] Profit Soyunkope may 2014.