I had a Neopixel clock using a Nano with a RTC DS3231 and a OLED display. After about 6 months the time was off by a few minutes. I decided to change to a ESP32 Dev Module and read the time from a NTP server. I am able to read the NTP server and display the date and time on the OLED display, I am h…

Convert NTP time to integer

gfvalvo September 30, 2025, 2:37pm 5

Per the Espressif Documentation, ESP32 supports the standard C time library.

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