2025 One Hertz Challenge: An Ancient Transistor Counts The Seconds https://hackaday.com/2025/07/12/2025-one-hertz-challenge-an-ancient-transistor-counts-the-seconds/ #phaseshiftoscillator #2025OneHertzContest #clockhacks #1hzsignal #germanium #contests

2025 One Hertz Challenge: An Ancient Transistor Counts The Seconds - If you’ve worked with germanium transistors, you’ll know that many of them have a ... - https://hackaday.com/2025/07/12/2025-one-hertz-challenge-an-ancient-transistor-counts-the-seconds/ #phaseshiftoscillator #2025onehertzcontest #clockhacks #1hzsignal #germanium #contests

Listen To The Sound Of The Crystals - We’re all used to crystal resonators — they provide pretty accurate frequency refe... - https://hackaday.com/2025/07/11/listen-to-the-sound-of-the-crystals/ #clockhacks #32.768khz #frequency #crystal

Shadow Clock Shows The Time On The Wall https://hackaday.com/2025/07/05/shadow-clock-shows-the-time-on-the-wall/ #clockhacks #ESP8266 #clock

Shadow Clock Shows The Time On The Wall - What if you build a clock that displayed the time not just on its own, but in its ... - https://hackaday.com/2025/07/05/shadow-clock-shows-the-time-on-the-wall/ #clockhacks #esp8266 #clock

CIS-4 Is a Monkish Clock Inside a Ceiling Lamp https://hackaday.com/2025/07/04/cis-4-is-a-monkish-clock-inside-a-ceiling-lamp/ #cistercianclock #clockhacks #attiny85 #neopixel

CIS-4 Is a Monkish Clock Inside a Ceiling Lamp - It’s always clock time at Hackaday, and this time we have an interesting hack of a... - https://hackaday.com/2025/07/04/cis-4-is-a-monkish-clock-inside-a-ceiling-lamp/ #cistercianclock #clockhacks #attiny85 #neopixel

2025 One Hertz Challenge: Electromechanical CMOS Clock Keeps In Step With Mains Frequency https://hackaday.com/2025/07/04/2025-one-hertz-challenge-electromechanical-cmos-clock-keeps-in-step-with-mains-frequency/ #electromechanicalclock #steppermotor #clockhacks #analogdial #movingcoil #cmoslogic

2025 One Hertz Challenge: Electromechanical CMOS Clock Keeps In Step With Mains Frequency - Some people can’t be bothered to read the analog face of a traditional clock. Some... - https://hackaday.com/2025/07/04/2025-one-hertz-challenge-electromechanical-cmos-clock-keeps-in-step-with-mains-frequency/ #electromechanicalclock #steppermotor #clockhacks #analogdial #movingcoil #cmoslogic

This Thermochromic Clock Is a Ray of Sunshine - It’s never a bad time to look at a clock, and one could certainly do worse than th... - https://hackaday.com/2025/06/16/this-thermochromic-clock-is-a-ray-of-sunshine/ #thermochromic #analogclock #clockhacks #clock

A Concentric Clock with Multiple Modes - Most of us spend our lives within reach of a device that provides a clock, stopwa... - https://hackaday.com/2025/06/14/a-concentric-clock-with-multiple-modes/ #minimaluserinterface #raspberrypipicow #3dprintedparts #clockhacks #minimalism #clock

A Concentric Clock with Multiple Modes https://hackaday.com/2025/06/14/a-concentric-clock-with-multiple-modes/ #minimaluserinterface #RaspberryPiPicoW #3Dprintedparts #clockhacks #minimalism #clock

A Close Look at the Mitxela Precision Clock Mk IV https://hackaday.com/2025/06/08/a-close-look-at-the-mitxela-precision-clock-mk-iv/ #precisiontime-keeping #precisionclock #clockhacks #gpshacks #LEDHacks #clock #gps

A Close Look at the Mitxela Precision Clock Mk IV - Over on his secondary YouTube channel, [Jeff Geerling] recently demoed the new Mit... - https://hackaday.com/2025/06/08/a-close-look-at-the-mitxela-precision-clock-mk-iv/ #precisiontime-keeping #precisionclock #clockhacks #gpshacks #ledhacks #clock #gps

A Flip Clock Becomes a Flip Timer https://hackaday.com/2025/06/06/a-flip-clock-becomes-a-flip-timer/ #simonegiertz #clockhacks #flipclock #dinaAmin #clock

A Flip Clock Becomes a Flip Timer - Sometimes it’s nice to have a widget to do a single task and avoid getting distrac... - https://hackaday.com/2025/06/06/a-flip-clock-becomes-a-flip-timer/ #simonegiertz #clockhacks #flipclock #dinaamin #clock

Open Source Watch Movement Really Ticks All the Boxes https://hackaday.com/2025/06/03/open-source-watch-movement-really-ticks-all-the-boxes/ #opensourcehardware #mechanicalclock #clockhacks #clockwork #watch

Open Source Watch Movement Really Ticks All the Boxes - When you think of open-source hardware, you probably think of electronics and make... - https://hackaday.com/2025/06/03/open-source-watch-movement-really-ticks-all-the-boxes/ #opensourcehardware #mechanicalclock #clockhacks #clockwork #watch

Bubble Displays Make a Neat Retro Clock - In 2025 we are spoiled for choice when it comes to displays, with affordable LCDs,... - https://hackaday.com/2025/05/28/bubble-displays-make-a-neat-retro-clock/ #bubbledisplay #classichacks #digitalclock #clockhacks #esp32

Moon Phase Flip Clock is Fantastic https://hackaday.com/2025/05/16/moon-phase-flip-clock-is-fantastic/ #simonegiertz #clockhacks #Moonphases #flipclock #clock #moon