SparkFun RedBot Sensor - Mechanical Bumper Other, Proximity, Sparkfun Originals Digital Picture Frame Screen Protector Foils 1x Mounting Screw

1x Mounting Screw

and connect the OUT header to your project

The mounting hole should be 38mm

Character Generator

These are simple 2-position screw terminals with 2

SparkFun RedBot Sensor - Mechanical Bumper Other, Proximity, Sparkfun Originals Digital Picture Frame Screen Protector Foils 1x Mounting ScrewThese simple switches are the Mechanical Bumper sensor for the SparkFun RedBot, giving you the ability to detect a collision before it really happens. This sensor works by acting as a SPST switch. When the whisker bumps into a foreign object it will make contact with a nut next to it, closing the connection and, by default, turning off the motor. By attaching these mechanical bumpers to you robot the whisker will bump something before your robot