Magic Mystery MuesliIt’s time for new projects. Like this small version of the Space Clock as an LED matrix.
It opens up even more possibilities.
Simon Walters@dr_muesli "Space Clock" ?Looks nice but I can't work our how to tell the time from it :)
Hi @cymplecy
It's actually really simple. You just count the number of lit LEDs for each color. The top row shows the hours, the bottom row the minutes.
As shown here, there's 1 yellow, 9 green, 5 blue, and 8 red lights, so the time is 19:58 (7:58 PM).
(On startup, it connects to Wi-Fi and fetches the time from an NTP server.)
❀𝓪𝓵𝓬𝓮𝓪𖤐 
@dr_muesli @cymplecy
Isn't there a DCF77 time signal from #radio or something too ?
Maybe I'm
but I swear my weatherstation can fetch the time OverTheAir
Isn't there a DCF77 time signal from #radio or something too ?
Maybe I'm
but I swear my weatherstation can fetch the time OverTheAirThe ESP32-C3 only supports Wi-Fi and Bluetooth. It would be possible to connect an additional DCF77 radio receiver to the ESP, but you’d need some software logic to process the data. Using Wi-Fi and NTP is just a lot simpler. 
However, if there’s no Wi-Fi nearby, it’s also possible with a DCF77 module.
Wanna build one too? 
@dr_muesli
It's been a long time I held a #SolderingIron in the hand.
😅
i'll probably end up burning a hole into the tablecloth again or something.
It's been a long time I held a #SolderingIron in the hand.
😅
i'll probably end up burning a hole into the tablecloth again or something.
Basically, it's just 3 pins you'd need to solder. 
But you can also get ESPs with pre-soldered headers, so you can just plug everything together with ready-made cables, no soldering needed.
The components are really cheap, so there’s not much to lose. 