DCF77 Transmitter ESP8266
Description
[DCF77-Transmitter](https://github.com/ORelio/DCF77-Transmitter) allows syncing clocks using the DCF77 protocol in places where DCF77 is not available. [DCF77](https://en.wikipedia.org/wiki/DCF77) is a German longwave time signal and standard-frequency radio station running in Europe at 77.5 kHz. The project comprises several parts: * ESP8266 development board (D1 Mini) with custom made antenna * Firmware project for emulating the DCF77 signal from NTP time source * 3D printed case and antenna support See attached screenshots and source code for wiring instructions and firmware configuration. CAD files are provided so that you can adjust each part to your own project.
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