I am trying to build a keyboard sewn into a shirt and I wonder if I need to worry about EMC/FCC issues with the conductive thread to the keys? For each key I use a normal (but very thin) pushbutton, the wire length to the arduino controller will be no more than 150 mm and I will use DC 3-5v...
Greetings everyone. Does anyone know of any flat pressure switches? I am trying to build a keyboard sewn into a shirt and have not found any suitable sensors. There are force sensors (like this one https://www.sparkfun.com/products/9375) but it would become too expensive for a full keyboard and...