note: this page is a place holder until a better tutorial is written
Tactile Bump Sensors are great for collision detection, but the circuit itself
also works fine for user buttons and switches as well.
There are several versions below, depending on how you plan to use the circuit and your available switches. For the resistor use a very high value, such as 40kohms.
Tactile Bump Sensor Circuits
Tips and Uses
Availability and Cost
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