NTP Clock using MicroPython
ESP8266 (Wemos D1 Mini) with DHT11 sensor and dot LED matrix on MAX7219
Connect sensors and display to ESP32
Connect DHT11 to GND, 3.3V and GPIO-16
Connect MAX7219 to SPI:
| My ESP8266 | ESP8266 | max7219 8x8x4 LED Matrix |
|---|---|---|
| 3V | 3.3V | VCC |
| GND | GND | GND |
| D5 | GPIO14 | CLK |
| D7 | GPIO13 | DIN |
| D8 | GPIO15 | CS (software) |
Credits
This library is based on: