ProtoPIC Blog

What is an FSR? You know when people say the clue is in the name... Well, sometimes it really is. A Force Sensitive Resistor, or FSR as we'll call it, is a resistor that changes its resistance with force. When you press, stand, or hit it, its resistance changes.  FSRs come in a wide variety of sizes, so can be used for a huge array of projects. Maybe an electronic whoopee cushion??? Combine a Wav Trigger loaded with some "popping off" sounds connected to an FSR under a chair …