Arduino DCF77 library The DCF77 library adds the ability to read and decode the atomic time broadcasted by the DCF77 radiostation. It has been designed to work in conjunction with the Arduino Time ...

There are a few libraries available to decode the DCF77 time signal from Mainflingen, Germany but I decided to write my own using the simplest method I could devise. The result is presented here and ...

If you have already studied the circuit diagram, you will have noticed that the speaker is connected to 2 PWM pins of the Arduino. Here is a statement from the author of the Talkie.h library: >> On ...