“Connect” to an atomic clock in space! GPS, DCF77
GPSTimer

“Connect” to an atomic clock in space! GPS, DCF77

This project is a clock with radio receivers that can receive the exact time from the GPS satellites or from the DCF77 transmitter. by hkdcsf @ hackaday.io This project is a clock with radio receivers which can receive the exact date and time from the DCF77 time signal transmitter or...

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Elektor Article: DCF77 Emulator with ESP8266
Timer

Elektor Article: DCF77 Emulator with ESP8266

Replace over-air time by Internet time About twenty years ago I recycled and modernised a vintage clock with Nixie tubes built by my father in the nineteen seventies. I replaced the digital logic by a microcontroller and used a DCF77 receiver module instead of the original 50-Hz...

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Ovenized crystal oscillator frequency stability
Timer

Ovenized crystal oscillator frequency stability

E. Schrama @ ejo60.wordpress.com uses an Arduino and a DCF77 time signal receiver to test the stability of an ovenized crystal oscillator running at 1 MHz. In this experiment I will use an Arduino and a DCF77 time signal radio receiver to measure the stability of an ovenized crystal...

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