Adafruit
LED Illuminated Triangle Pushbutton A.K.A 1960s Sci-Fi Buttons - Blue
A triangle-shaped momentary pushbutton with a built-in LED, giving your control panels a distinctive retro sci-fi aesthetic. The LED and switch contacts are ...
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A triangle-shaped momentary pushbutton with a built-in LED, giving your control panels a distinctive retro sci-fi aesthetic. The LED and switch contacts are electrically independent, so you can control illumination separately — light it when pressed, when not pressed, always on, or always off.
The blue translucent triangle cap sits in a black plastic body with four pins: two for the normally-open switch and two for the LED (marked + and −). Arrange six together for a hexagonal layout, or use individually for eye-catching panel controls.
Key Features
- Triangle Shape – Distinctive retro-futuristic design, tessellates into hexagonal patterns
- Built-in LED – Independent from switch contacts for flexible illumination control
- Momentary Action – Normally open; contacts close only while pressed
- Medium Size – Large enough for comfortable pressing, compact enough for panel layouts
- Colour: Blue
Specifications
- Switch Type: Momentary, normally open
- LED Forward Voltage: ~2.2 V
- Pins: 4 (2× switch, 2× LED)
- LED Resistor: Use 220–1,000 Ω in series with 3 V+ supply
Ideal For
- Custom control panels and dashboards
- Retro and sci-fi themed builds
- Arcade and interactive installations
Jargon buster
Plain-language definitions for the technical terms used above.
- LED
- A light-emitting diode (LED) is a small electronic component that emits light when current flows through it in the correct direction. Because it only conducts one way, its polarity matters, and a through-hole LED must be soldered the correct way around to light up.
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