One Hertz Challenge | Hackaday.io

115 projects

45 year old HP Logic Probe is too slow for modern electronics, so I hacked it with a Sparkfun Alorium FPGA board and display

HP Logic Probe Hack

robert-morrison Robert Morrison

You may never need 10 stop watches at one time, but if you do, this hacked PE device was crafted for you.

Stop-Watch x10 from Smart Response PE

ray-burne Ray Burne

Freon: Your Personal Chill, On Demand

Freon: Freeze On Neck personal cooler !

jp-gleyzes JP Gleyzes

It just sits there and pretends to be an aircraft at night with a 1hz strobe.

Abstract ATtiny85 Aircraft Sculpture

the-baiko The Baiko

Slowing down a ring oscillator enough to make it tick seconds

One hertz sculpture

pierre-loup-m Pierre-Loup M.

Raspberry Pi Pico(2)(w)-based development tools for NFC, UHF RFID, LF RFID, Sub-1G, IR, BLE, WIFI, etc.

RP-Geeker

Tiny displays, big numbers, on a tiny Raspberry Pi Zero

RPI TinynumberHat9

andrew-tudoroi Andrew Tudoroi

Experiment in non-oscillatory timekeeping - trying to tell the time with a rock and a Geiger counter.

“Atomic” Clock

alnwlsn alnwlsn

Just a standard 1Hz clock :)

1 PPS Clock (Pixel Per Second)

michael-murillo Michael Murillo

How to turn a cheap quartz clock mechanism into perhaps the most annoying clock ever: flashing LEDs, nodding snowman, and a tick-tock chime

"One Hurts" - a most annoying clock

paul-gallagher Paul Gallagher

This is a frequency counter in the ZX Spectrum 48k(Harlequin) in assembler

Z80 Frequency counter on a ZX Spectrum

Leverge eyes UI to show clock/time info

Artistic clock running on Pi Pico

A relay based computer is used as a flashlight to participate in the One Hertz Challenge...

Most complex blinking light in the world...

A useless machine is outfitted with a simple counter circuit. The counter increments at ~roughly~ 1-second intervals.

Still Useless: A Useless Machine "Clock"

Kevin Distelhurst

I took the 2022 Supercon Badge by Voja Antonic, hooked up a DCF antenna and made it a clock.

DCF Clock with Voja 4 Supercon badge

The Ostentatious Chronometric Device Trigger is a nod to precision timekeeping done in a way that is over/under-engineered

OCD Trigger Clock

bob-anderson Bob Anderson

1963 Germanium Transistor 7 segment battery backed up digital clock

Transistor 7-segment battery backed up clock

Ham Radio foxhunt transmitter

Ham Radio foxhunt transmitter

jim-matthews Jim Matthews

A breadboard compatible free running square wave generator for your timing and clock projects.

Square Wave Generator for Breadboards

rupin-chheda Rupin Chheda

This device uses an electromechanical mechanism to generate sine and square waves at the rate of 1Hz.

Electromechanical 1Hz Function Generator

brian-stuparyk Brian Stuparyk

This project is my entry for the 1 Hz challenge.

Look, Ma: No Capacitors! (or Inductors . . .)

mark-valentine Mark Valentine

Frequency, period, chronometer, counter

FPCC

jacques-pelletier Jacques Pelletier

Create, run, and debrief realistic medical simulations. Share cases with colleagues. Fast, flexible, and intuitive.

Med Sim Studio: A free medical simulation platform

adam-blumenberg Adam Blumenberg

A minimalist binary wristwatch that tells time using a 7-segment display—why use 6 digits when 3 will do? Save segments, embrace binary!

Binary Seven-Segment Wristwatch