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  1. Parts
  2. /Input & controls
  3. /Buttons & switches

Micro Switch with Roller Lever, Three Terminal

OverviewWiringAlternatesRelated groups
Micro Switch with Roller Lever, Three Terminal — Adafruit — 819
Availability
In stock

Basic roller-lever microswitch for arcade controls, limit sensing, and small robots. Adafruit lists three terminals: common, normally open, and normally closed, with a suggested maximum of 30 VDC and 250 mA.

Offers

  • Adafruit$1.95

Offers

  • Adafruit$1.95

Start wiring

Analog · Single data line · Bare

SparkFun describes COM-09190 as a breadboard-friendly 12 mm square momentary pushbutton with a large button head and tactile click.

Buttons and switches

9 other options

Separate simple momentary pushbuttons from rotary-control breakouts and potentiometer wiper parts before treating them as swappable user inputs.

Compare
  • SparkFun Rotary Switch Potentiometer Breakout visual preview

    SparkFun Rotary Switch Potentiometer Breakout

    Rotary-control accessory board for building a 10-step potentiometer around a separate rotary switch. Not a pushbutton substitute.

    $2.95
  • Momentary Pushbutton Switch - 12mm Square visual preview

    Momentary Pushbutton Switch - 12mm Square

    Straightforward 12 mm momentary pushbutton for PCB or breadboard-style user input. Good fit when the design needs a simple press-to-close control.

    $0.75
  • Potentiometer Wiper/Plunger - 14mm visual preview

    Potentiometer Wiper/Plunger - 14mm

    Mechanical wiper/plunger accessory for SoftPot, ThinPot and HotPot sensors. Not an electrical button or switch.

    $6.95
  • Momentary Pushbutton Switch visual preview

    Momentary Pushbutton Switch

    Illuminated momentary pushbutton. Functionally button-like, but the LED circuit, voltage rating and mounting details must be matched.

  • Adafruit ANO Rotary Navigation Encoder Breakout visual preview

    Adafruit ANO Rotary Navigation Encoder Breakout

    $10.95
  • Adafruit NeoPot Clear Shaft Potentiometer with RGB NeoPixel visual preview

    Adafruit NeoPot Clear Shaft Potentiometer with RGB NeoPixel

    $4.95
  • Gravity: Digital Push Button (White) visual preview

    Gravity: Digital Push Button (White)

    $1.70
  • LED Illuminated Push Button - 44mm Square visual preview

    LED Illuminated Push Button - 44mm Square

    $3.50
  • Tactile Switch Buttons (12mm square, 6mm tall) x 10 pack visual preview unavailable

    Tactile Switch Buttons (12mm square, 6mm tall) x 10 pack

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Displays

Character LCDs, SPI TFTs, e-paper modules and larger capacitive-touch TFT panels solve different display jobs. Treat display class, interface, controller, resolution, touch, refresh behaviour, storage, voltage and mounting as separate swap checks.

Displays · TFT & LCD displays · 33 parts

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Air quality

Choose between MQ gas sensors, VOC/eCO2 indoor-air sensors, true CO2 modules and particulate sensors without treating every air-quality breakout as the same detector.

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MCUs and boards

ESP32, Arduino Uno, Raspberry Pi Pico, and compatible add-on boards for running builds.

Boards · Microcontroller boards · 24 parts

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Motors and servos

Choose by actuator type first: brushed DC motor, stepper motor, RC servo, solenoid or Raspberry Pi HAT. Similar-looking motor boards are rarely drop-in substitutes.

Motors & actuators · Motors & servos · 29 parts

Parts tray full · 5 max · remove a part to add another