~ Established 1956 · Reissued Today ~

TheClicker

A hand-built bridge between 1956 and 2026. Hear the chime of an ultrasonic tuning rod — watch your modern computer obey.

Transmission 1/8

"While America was figuring out how to reach space, Zenith had already built a battery-free ultrasonic controller for your living room."

What it does today → Use it to change the volume up and down, move your slides forward and back, or skip to the next song or YouTube video — all from a 70-year-old remote.

Reserve Yours →

Works with your Mac or PC

Zenith Space Command remote on a desk beside TheClicker USB bridge with a laptop showing live ultrasonic capture

Chapter One

No Batteries. No Radio. Just Physics.

Vintage 1956 Zenith console television in walnut cabinet◉ Click the set

In 1956, Zenith engineer Robert Adler built the world's first practical wireless TV remote. Each of its four buttons mechanically struck a small aluminum rod of a different length — like a tiny chime — producing a distinct ultrasonic tone between 37.75 and 43.25 kHz.

That click-clack you heard? That's where the word "clicker" came from. The name outlived infrared, batteries, Bluetooth, and Wi-Fi.

Frequency Map · Each Button, Its Own Tone

CH ▲
37.75
kHz
CH ▼
39.25
kHz
VOL ▲
41.75
kHz
VOL ▼
43.25
kHz
Fun Fact

You could jingle your keys in the air and make a noise the TV would go nuts over — changing channels, voluming around based upon the entropy of ultrasonic waves generated.

Technical Briefing

How It Works

The Whole Signal Path

A ceramic ultrasonic element hears the burst. A cheap dual op-amp drags the tiny waveform up by roughly two orders of magnitude. A comparator hard-limits it into logic. The 32U4's capture hardware timestamps the edge train.

Recognition, Not Decoding

The firmware does not decode data so much as recognize timing fingerprints. Each button produces a different period, and that period maps straight into a USB HID consumer-control event.

Plug & Play

To the host, nothing exotic is happening. It just sees another keyboard pressing media keys. macOS, Windows, Linux — all of them already speak the language.

Map It Your Way

Out of the box, the four buttons fire Volume Up / Down and Arrow Left / Right — perfect for media and slides. Want something else? Remap any of the four buttons to any function your keyboard can produce — keystrokes, shortcuts, media keys, you name it.

Limited First Run

Reserve Your Bridge.

Hand-soldered in small batches. Be among the first to plug a 70-year-old remote into your 2026 keyboard stack.

Four remote buttons → your keyboard: ⬆⬇⬅➡

  • ◉ No spam. No tracking pixels. No data brokers.
  • ◉ One transmission when units ship.
  • ◉ Cancel by replying STOP.
Close-up of TheClicker USB bridge plugged into a MacBook, showing the Zenith Interface circuit board with red and green status LEDs

↑ The bridge, in the wild