hhmx.de

Martin Hoffmann

· Föderation PT So 16.03.2025 20:39:45

@Habrok42 @fzer0 @perikitapreta @mrundkvist Counter point: You need some sort of Internet connection for NTP, GPS
doesn’t work indoors, those nifty DCF-77 clocks only work within roughly a thousand kilometres of Frankfurt, and the clock in the oven is the most used clock in many households.

A Light Shining in Darkness

Föderation PT So 16.03.2025 20:59:31

@partim @Habrok42 @perikitapreta @mrundkvist

I see and acknowledge your facts and offer you this solution

CR2032 battery

(Medien: 1)

Stumpy The Mutt

Föderation EN Mo 17.03.2025 00:47:31

@fzer0 @partim @Habrok42 @perikitapreta @mrundkvist the company I work for has resisted putting a RTC in our routers because the lithium battery requires its own set of disposal methods and needs to follow local regulations which are quite different around Europe, never mind world wide. Super caps wouldn't last long enough to be workable.

Habrok

Föderation PT Mo 17.03.2025 00:23:17

@partim @fzer0 @perikitapreta @mrundkvist Valid points, but:
- more and more devices want WiFi for their app
- GNSS signals can get into buildings good enough for the time (only 1 satellite needed for "good enough" time, not 4 for the position)
- there are transmitters like DCF-77 in many countries worldwide (on other frequencies)
- digital radio like DAB+ can easily transport a time signal
- devices like my CO2 monitor or thermometers do not need an always visible clock