|
|
| ESP32 30 Pin Pinout | ESP32 38 Pin Pinout |
|
|
|
| ESP32 30 Pin Pinout | ESP32 38 Pin Pinout |
The pin numbers are alike for the Nuclear Clock, but the layout is very different.
The DS3231 also has a 24C32 Non-Volatile Ram chip on board.
|
DS3231 RTC pinout.
DS3231 has and I2C interface, CLK goes to ESP32->22 DAT goes to ESP32->21 The DS3231 also has an on-board 24C32 Non-Volatile RAM. |
|
Led Matrix
MAX7219 Led Matrix conectors. MAX7219 has an SPI interface: DIN -> ESP32->13 CLK -> Esp32->14 CS -> ESP32->27 Cllck for larger PIC. |