How to Connect a DS3231 to NodeMCU V3
To connect a DS3231 RTC module to an ESP8266-based NodeMCU V3 development board, we use the I2C interface. The default I2C interface pins of NodeMCU… Read More »How to Connect a DS3231 to NodeMCU V3
How to Save and Restore ESP8266 and ESP32 Firmware
We may want to save and later restore ESP8266 and ESP32 firmware that came with them and were installed from the factory. They will come… Read More »How to Save and Restore ESP8266 and ESP32 Firmware