Re: 2012 MWScore FSR Target Panel Build Tutorial & Info
Sorry for creating a nomenclature problem. There are solder tabs/pins crimped onto the polyester lead(s). What you seem to be referring to as leads, I call crimp pins. What you call wire, I called polyester lead(s) (ala 'lead' wires of a through hole resistor). Speaking from experience, it really if not that difficult to replace the pins when the lead tears (had to fix at least two on the Foot Pressure Sensor kits from HUV Robotics). The shortened lead length would probably require a simple jumper wire extension to connect it to the PCB, in which case the socket version of the crimp assembly would be the better choice (just push one end of a piece of wire into the socket and solder the other end of the piece of wire onto the pcb).
The FSR is made of a sandwich of polyester film filled with two traces made from a conductive substance. In the large square active sensing area, there is a spacer separating the conductive traces from a resistive element on the opposite piece of polyester. When pressure is applied, the resistive element contacts the conductive traces and allows current to pass between them. The more pressure, the larger the area of contact between the resistive element and the traces, and thus the lower the resistance measured at the pins on the end of the polyester lead.
Last edited by tician; 04-13-2012 at 10:04 PM.
Please pardon the pedantry... and the profanity... and the convoluted speech pattern...
"You have failed me, Brain!"