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Georg Doll edited this page Sep 15, 2021
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Welcome to the dcf77decoder wiki!
This Arduino library supports the decoding of the DCF77 signal. You need
- a DCF77 receiver module and
- an Arduino micro controller
connect the modules reset (or power input) and the signal pin to the microcontroller
The reset pin is used to activate the DCF77 module and can be used by the library to reset the receiver module in case of an error. The library does not require any interrupts or dedicated timers. It is designed to work in polling mode and only needs the system time in milliseconds from the microcontroller. The library provides a non blocking function that should be called approx. every 10ms to check for signal changes.