To start and operate the weather monitor, just connect display to ESP32. Connecting all other modules is optional. Instead of schematic diagrams, I post half-drawings, half-photos, so that it is clear ...
This paper presents a library for Arduino to interface with the DS3231, a high-precision I2C real time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. The ...
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