| This radio-controlled FM alarm clock syncs time automatically using a 433-MHz signal from a central time server. Its LED display adjusts to...
More about Clock (247)
| This DCF77 time server pairs a DS3231 RTC with a PIC12F1840 to decode DCF77, output a TTL time signal via optocoupler, and rebroadcast time...
| Check out this simple GPS clock that always shows the right time. Built with an ATmega328P and an LED matrix, it’s easy to assemble — even o...
| Elektor has a long history of publishing clock projects. Let’s take a look at a classic — the MOS Clock 5314. The design showcased early use...
| Watch this step-by-step assembly of an IN-12 Nixie tube clock. It is a challenging project with a truly unique result! This isn’t a typical...
Members Only
| Mechanical timepieces have always had a certain appeal because of the beauty of the analog dial and its convenience in reading, despite thei...
Members Only
| The laser head kit presented in 2018 turned the Elektor Sand Clock of 2017 into a clock that writes the time on glow-in-the-dark film instea...
| You can build a highly accurate 1-ms NTP clock with an ESP32 and a Wiznet W5500 Ethernet module. The design is perfect for precision timekee...
| Add a melodic bell sound to your microcontroller clock with the ATtiny85. This project enhances your clock's functionality and charm with a...
Members Only
| Some clocks use the frequency of the mains voltage to keep accurate time. But what if a design is intended for a 50-Hz mains and doesn't...