NodeMCU ESP8266 display sensor data using ESP-NOW protocol
materials:
NodeMCU ESP8266 board CH340 chip, DHT22, LDR, LCD 20x4 I2C, Breadboard, Jumper Cable.
Reference:
https://learn.circuit.rocks/esp-now-the-fastest-esp8266-protocol
jenizar/nodemcu-esp8266-display-sensor-espnow
NodeMCU ESP8266 display sensor data using ESP-NOW protocol
C++