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35 projects
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UTC Aligned PPS from a 555
Project Owner Contributor

GPS Disciplined 555 Timer

burbleburble

977
25
13
Ham Radio foxhunt transmitter
Project Owner Contributor

Ham Radio foxhunt transmitter

jim-matthewsJim Matthews

66
0
0
Use an open source 555 timer to blink an LED at 1Hz
Project Owner Contributor

Open Source 555 Timer 1Hz Blinky

matt-vennmatt venn

21.6k
1.6k
54
A replacement controller for Lavet stepper clock movements
Project Owner Contributor

Crazy Clock

nick-sayerNick Sayer

255
3
5
We restore an HP 115BR divider and clock. Its atomic-driven 1 second tick famously sync'ed the world's second in 1964.
Project Owner Contributor

HP 115BR, the clock that once sync'ed the world

curiousmarccuriousmarc

179
1
1
This is a frequency counter in the ZX Spectrum 48k(Harlequin) in assembler
Project Owner Contributor

Z80 Frequency counter on a ZX Spectrum

titoTito

1
1
A relay based computer is used as a flashlight to participate in the One Hertz Challenge...
Project Owner Contributor

Most complex blinking light in the world...

peterPeter

1.5k
6
4
OCXO (and VCXO) sensitivity is never well defined in industry, which is what I've attempted to do here.
Project Owner Contributor

Precise Time Ref via 1 Pulse-Per-Second GPS Signal

wil-carverWil Carver

132
3
6
Unix Time Clock
Project Owner Contributor

Hexa U.T.C

danjovicdanjovic

313
1
6
Remember Jumping Beans? They are back - Sort of.
Project Owner Contributor

Electronic Jumping Bean

expensiveplasticcrapExpensivePlasticCrap

97
1
3
Frequency, period, chronometer, counter
Project Owner Contributor

FPCC

jacques-pelletierJacques Pelletier

561
3
4
No-Si clock, with digital readout 0:00-11:59 TOTALLY WITHOUT SILICON. No microcontrollers, no chips, no transistors. Valves/tubes!
Project Owner Contributor

No-Silicon digital clock

charlesCharles

626
21
7
There are 86,400 seconds in a day....
Project Owner Contributor

Valvano Clock

danjovicdanjovic

68
0
0
Tune a cheap wall clock to GPS accuracy.
Project Owner Contributor

Clock Calibrator

lauri-pirttiahoLauri Pirttiaho

1.4k
4
5
Want to be nagged to finish projects? This will do the job
Project Owner Contributor

A Germanium 1 Hz round tuit

ken-yapKen Yap

1
4
It just sits there and pretends to be an aircraft at night with a 1hz strobe.
Project Owner Contributor

Abstract ATtiny85 Aircraft Sculpture

the-baikoThe Baiko

2
0
Funtility, it will tell you the time, in his fancy way
Project Owner Contributor

Shadow Clock

fabio-ricciFabio Ricci

432
24
4
Transmit the Twilight Zone Theme Once Per Second to AM Radio Using ATTiny85
Project Owner Contributor

Software-only AM Transmitter on ATTiny85

oldradiofixeroldradiofixer

188
2
2
Compact Raspberry Pi HAT with LoRa 433 MHz, temp & humidity sensor, RGB LED & 220 VAC relay for remote IoT monitoring control
Project Owner Contributor

Raspberry Pi Multifunctional Lora HAT

avi-guptaAvi Gupta

0
0
Explores the just noticeable difference (JND) in human perception of time gaps between tones.
Project Owner Contributor

skip-a-herz

crjedercrjeder

62
3
2
Raspberry Pi Pico(2)(w)-based development tools for NFC, UHF RFID, LF RFID, Sub-1G, IR, BLE, WIFI, etc.
Project Owner Contributor

RP-Geeker

mcuerMCUer

127
1
0
This project detects periodic motion by analyzing how Wi-Fi signals are disturbed by the environment—hoping to extract 1-second timing.
Project Owner Contributor

Hopefully Hertz

ergun-payalErgun PAYAL

0
1
Simple AA powered device uses a 555 and linear feedback shift register to create a pseudo-random twinkling tree.
Project Owner Contributor

Blinky Tree Desk Trinket

christopher-kratzChristopher Kratz

79
2
1
A self-contained crypto dashboard using ESP32 and a Nextion touchscreen that fetches live Binance price data, displays it with a chart, and
Project Owner Contributor

Build a Real-Time Crypto Price Tracker with ESP32

rishabrishab

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