DCF77 transmitter with ESP32 v2
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DCF77 transmitter with ESP32 (v2)

Assembly of a small 775 KHz transmitter to be able to set the DCF77 clocks that do not correctly receive the signal from the transmitter in Germany This transmitter is portable works with a conventional 5VDC charger and is very accurate since ...

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DCF77 transmitter with ESP32 (v2) alternatives
Transmitter Switch Tool
NathanMichaelMoore