Gravity: Digital Crash Sensor (Left)

Name: Gravity: Digital Crash Sensor (Left)
Brand: DFRobot
SKU: SEN0138-L

Gravity: Digital Crash Sensor (Left) — DFRobot — SEN0138-L

Miniature left-oriented microswitch for Arduino with onboard LED, actuated by minimal force. Used in elevator buttons, microwave doors, 3D printer endstops, and similar applications.

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 & switches

105 other options

Most parts here are simple contacts: press or release, open or closed. A few outliers — rotary switch potentiometer breakouts, NeoPixel potentiometers, wiper plungers — carry separate wiring requirements worth checking before you order.

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SparkFun Rotary Switch Potentiometer Breakout visual preview

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4 groups

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Encoders

Bare EC11 quadrature encoders, I2C navigation encoders, absolute AS5600 and 8421 encoders, slide and ribbon potentiometers, and digital I2C pots — covering most ways to read angular or linear position.

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Touch

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Input & controls · Touch sensors · 14 parts

3D printing

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Tools & prototyping · 3D printing · 53 parts