An introduction to the ESP8266 microcontroller is presented with interface examples of I/O peripherals.
Link to code:
https://akuzechie.blogspot.com/2020/12/esp8266-interfacing-with-peripherals.html
Contents:
0:00 Contents
0:16 ESP8266 Controller Specs
0:47 NodeMCU Board Pinouts
1:32 C++ Code with Demo - Blinking LEDs
2:19 C++ Code with Demo - Dimming LED via Pot
2:54 C++ Code with Demo - I2C OLED Display
3:23 Future Project: ESP8266 Web Server