The ESP32 inside gets the official time from NIST and displays it on the 1.5″ OLED screen. It also has a single alarm now, along with some other non-QR code clock faces that display the time in ...

There are 12 numbers around the clock face, and each interval is 5 minutes… 12 × 5 = 60 minutes in an hour. Let's use this knowledge to tell the time on the clocks below. This clock shows 5 ...