143- FSR Pressure Plate Relay
$34.95 – $84.95
This circuit uses a Force Sensing Resistor as an improvised pressure plate. The FSR is in parallel with VR1, and they form a current divider. As long no weight is applied to the FSR, the two resistors in parallel have too much resistance to trigger the relay.
The parts in this kit will allow the student to complete this lab.
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