ESP8266 based 7 segment clock
- Part 1: https://www.youtube.com/watch?v=0H1_9tu25HU
- Part 2: https://www.youtube.com/watch?v=LJ9TrVol3vA
- ESP-201 as main processor
- 2 x 74HC595 1 driving segments, 1 spare for future additions
- 1 x 74HC4017 for module selection
- 1 x 8xNPN-Array for interfacing the first 595 to the segments
- 2 x 8xPNP-Array for interacing the decade counter to the modules
| PIN | IC | USE | Note |
|---|---|---|---|
| 12 | 595 | Data | |
| 14 | 595 | SHCP | |
| 2 | 595 | RESET | HIGH on boot |
| 5 | 595 | STCP | |
| 13 | 4017 | CLK | |
| 15 | 4017 | RESET | LOW on boot |