26 July 2026
Embedded Binary Clock
Booting the system will run the clock. The RTC time is believed to be (set) correct(ly). The REPL output:
LED Layout
Row 0: ht0 hu0 mt0 mu0 st0 su0
Row 1: ht1 hu1 mt1 mu1 st1 su1
Row 2: ht2 hu2 mt2 mu2 st2 su2
Row 3: ht3 hu3 mt3 mu3 st3 su3
REPL Output
MPY: sync filesystems
MPY: soft reboot
Binary Clock Starting...
Using hardware RTC
Clock running... (Press Ctrl+C to stop)
22:13:06
Code
The program ebc.py itself is easy enough. It uses the neopixel library that comes with micropython. Checkout the code of the Embedded Binary Clock at github