SparkFun
Big Dome Pushbutton - Yellow
This large 100 mm yellow dome pushbutton is hard to miss and satisfying to press. It features a built-in LED indicator, a pre-installed long-life microswitch...
This large 100 mm yellow dome pushbutton is hard to miss and satisfying to press. It features a built-in LED indicator, a pre-installed long-life microswitch, and a polycarbonate lens cap for optical clarity. The height can be adjusted to a low-profile configuration by removing the middle ring.
Perfect for arcade cabinets, game show buzzers, interactive installations, and any project where you need a big, eye-catching button that begs to be pressed.
Key Features
- 100 mm Dome Button – Large, satisfying press area
- Built-In LED – 12V DC illuminated indicator light
- Long-Life Microswitch – Pre-installed, rated to 10,000,000 cycles
- Replaceable Microswitch – 3-terminal actuator can be swapped out
- Adjustable Height – Remove the middle ring for a low-profile configuration
- Polycarbonate Lens Cap – Durable with excellent optical clarity
Specifications
- Diameter: 100 mm (outside)
- Height: 72 mm
- Mounting Hole: 24 mm diameter
- LED Voltage: 12V DC
- Weight: 100 g
Ideal For
- Arcade cabinets and game controllers
- Game show and quiz buzzers
- Interactive art installations
- Emergency stop or alert buttons
- Maker projects and escape rooms
Package Contents
- 1× Big Dome Pushbutton – Yellow (with LED and microswitch)
- 1× Securing Nut
Jargon buster
Plain-language definitions for the technical terms used above.
- LED
- A light-emitting diode is a small electronic component that lights up when current flows through it in the correct direction. In this kit, LEDs create the flashing effect, so polarity and correct soldering matter for the project to work.
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