nostr:npub1r4fwgk2svt7tp5y5q5ljzd8qgqxa7h0leeg5yt0pmu7pxkk6v6dsxy0nms nostr:npub1m9mnn8cg7rc9m5y80kzvfcpns7qufgqus0r6rkveyfjwxuey5zfs76rl3e I had a coworker at my last job that tried to use a low powered embedded device to do it using Bluetooth to sync the time and then display the current code on an LCD.