Adafruit
Etched Glow-Through Keycap - Zener ESP Waves Design
An etched glow-through keycap featuring the classic Zener ESP card "waves" symbol. Made from translucent/opaque plastic with a precision-etched design, the s...
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An etched glow-through keycap featuring the classic Zener ESP card "waves" symbol. Made from translucent/opaque plastic with a precision-etched design, the symbol lights up beautifully when placed over an illuminated mechanical key switch.
Compatible with Cherry MX and MX-compatible switches. The centred symbol design ensures a clean glow regardless of whether your switches are north- or south-facing. R4 profile, suitable as a standalone key or in the top row of your keyboard.
Key Features
- Zener Waves Design – Classic ESP card symbol etched for glow-through effect
- Cherry MX Compatible – Snaps onto any Cherry MX or compatible switch
- Centred Symbol – Glows evenly with both north and south-facing switches
- R4 Profile – Works as a top-row key or standalone accent
- Translucent/Opaque Plastic – Clean glow-through with LED backlit switches
Ideal For
- Custom mechanical keyboard builds
- Accent or novelty keycap collections
- Backlit keyboard personalisation
Package Contents
- 1× Etched Glow-Through Keycap (Zener Waves design)
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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