breath sensor progress

During the TIK launch event I was fortunate to meet Christian Pointer. He’s an electronic engineer, programmer¬†and hacker from Graz, Austria. He was very kind to help me with improving the stretch sensor. With the few parts I had with me he managed to increase the output range from the sensor to the Arduino dramaticly. Making it much easier for me to work the data and use it in different applications. The only thing I have to do is replace the two pot meters with ones’ of more suitable value and replace the simple opamp with a rail2rail one (TLV274 for example).


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