Teensy, tiny switches known as microswitches allow for highly sensitive detection such as object collision and are great for all kinds of robotics.

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  1. Snap-Action Switch with 16.3mm Roller Lever: 3-Pin, SPDT, 5A
    Rating:
    93% of 100
    SKU: POLOLU-1404 Brand: Pololu
    This single-pole, double-throw (SPDT) momentary switch can be used as a general-purpose micro switch or tactile bump sensor for your robot. The switch body dimension is 20.0 x 6.4 x 10.2 mm, and the 16.3mm lever arm is has a roller at the tip.
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    5 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Jul 30th
  2. Snap-Action Switch with 16.7mm Lever: 3-Pin, SPDT, 5A
    Rating:
    96% of 100
    SKU: POLOLU-1402 Brand: Pololu
    This single-pole, double-throw (SPDT) momentary switch can be used as a general-purpose micro switch or tactile bump sensor for your robot. The switch body dimension is 20.0 x 6.4 x 10.2 mm, and the lever arm is 16.7 mm long.
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    3 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Jul 30th
  3. Mini Snap-Action Switch with 13.5mm Lever: 3-Pin, SPDT, 1A
    Rating:
    100% of 100
    SKU: POLOLU-1528 Brand: Pololu
    This miniature single-pole, double-throw (SPDT) momentary switch can be used as a general-purpose micro switch or as a small tactile bump sensor for your robot. The switch body dimension is 12.8 × 6.0 × 6.5 mm, and the lever arm is 13.5 mm long.
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    0 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Available with 5 to 9 day lead time
  4. Snap-Action Switch with 50mm Lever: 3-Pin, SPDT, 5A
    Rating:
    100% of 100
    SKU: POLOLU-1403 Brand: Pololu
    This single-pole, double-throw (SPDT) momentary switch can be used as a general-purpose micro switch, but the long lever arm makes it especially useful as a tactile bump sensor for your robot (e.g whiskers or antennae). The switch body dimension is 20.0 x 6.4 x 10.2 mm, and the lever arm is 50 mm long.
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    39 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Jul 30th
  5. Snap-Action Switch with 15.6mm Bump Lever: 3-Pin, SPDT, 5A
    SKU: POLOLU-1405 Brand: Pololu
    This single-pole, double-throw (SPDT) momentary switch can be used as a general-purpose micro switch or tactile bump sensor for your robot. The switch body dimension is 20.0 x 6.4 x 10.2 mm, and the 15.6mm lever arm has a semicircular bump at the tip that simulates a roller.
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    0 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Available with 5 to 9 day lead time
  6. Microswitch - 3-terminal
    SKU: COM-09506 Brand: Sparkfun
    This is a 3-terminal microswitch, with a small push-button. This switch has a great ‘clicky’ sound to it, and a nice tactile feel.
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    0 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Available with 5 to 8 day lead time
  7. Mini Microswitch - SPDT (Offset Lever, 2-Pack)
    SKU: COM-13014 Brand: Sparkfun
    This is a 3-terminal microswitch two pack, each equipped with a 20mm offset lever actuator. These switches have a great ‘clicky’ sound to them with a nice tactile feel and are perfect when used for a slider, 3D printer, or robot project. Each microswitch is rated for 5A at 250VAC.
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    1 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Delivered by Jul 30th
  8. Micro Switch - Premium Zippy 3-Terminal
    Rating:
    100% of 100
    SKU: ADA817 Brand: Adafruit
    Micro-switches are often found in arcade buttons and joysticks but they're also really handy in any kind of mechatronics project or when you need a basic sensor...
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    0 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Available with 8 to 10 day lead time
  9. Micro Switch w/Wire - Three Terminals
    SKU: ADA820 Brand: Adafruit
    Micro-switches are often found in arcade buttons and joysticks but they're also really handy in any kind of mechatronics project or when you need a basic sensor...
    - +

    0 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Available with 8 to 10 day lead time
  10. Micro Switch w/Roller Lever - Three Terminal
    SKU: ADA819 Brand: Adafruit
    Micro-switches are often found in arcade buttons and joysticks but they're also really handy in any kind of mechatronics project or when you need a basic sensor...
    - +

    0 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Available with 8 to 10 day lead time
  11. Micro Switch w/Lever - 2 Terminal
    SKU: ADA818 Brand: Adafruit
    Micro-switches are often found in arcade buttons and joysticks but they're also really handy in any kind of mechatronics project or when you need a basic sensor...
    - +

    0 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Available with 8 to 10 day lead time
  12. Mini Microswitch - SPDT (Roller Lever)
    SKU: COM-18161 Brand: Sparkfun
    Although small in size, KW4-Z5F roller microswitches are rated for controlling electrical loads ranging from logic level (computer based circuits) to power duty...
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    0 from local stock, 1 supplier stock; your order will dispatch between Dec 1 to Dec 10. And yes, stock levels and lead times are accurate!

    Available with 5 to 8 day lead time

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