Required components The first things you will need is DCF77 module and a crystal based Arduino. Attention: the Arduino Uno is NOT crystal based. Although there is a crystal on the board this crystal ...
About 20 years ago I recycled and modernized a very old nixie clock built by my father in the 70's, with an 87C51 and a DCF77 module which replaced digital ICs and 50Hz derived timebase. About 20 ...
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