Here’s an impressive digital clock kit based on discrete components boasting a hefty bill of materials –

  • 194 Transistors
  • 566 Diodes
  • 400 Resistors
  • 87 Capacitors
  • 10” by 11.3” Printed Circuit board with silk screen symbols indicating component locations

Wow, looks like a great way to learn to appreciate ICs! – Transistor clock [Thanks, Azog!]

In the Maker Shed:
LED Clock Kit -Blue