The RTC DS 3231 (which works on the I2C protocol) is used to wake up Arduino UNO board from sleep using an interrupt. When the alarm occurs an interrupt is being triggered on the INT pin of the RTC ...
I touched T0 and T3 pins but esp32 has never went into interrupt functions. I tried that code multiple computer but result was same. I use Arduino IDE 1.8.15 version with Nodemcu V1 ESP32 Devkit. Note ...
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