ULP Wake-Up

The ULP (Ultra-Low-Power Coprocessor) coprocessor is a specialized processor built into the ESP32 to handle tasks while…

Touchpad Wake-Up

Here’s how you can wake up the ESP32 from deep sleep using Touchpad T3: ESP32 Deep Sleep…

External GPIO Wake-Up

This example uses GPIO12 as the external wake-up source. How It Works Additional Notes Since RTC memory…

Timer Wake-Up

Since RTC memory is not used, the ESP32 enters Hibernation Mode, consuming only ~5µA.

Hibernation Mode

Hibernation mode is the lowest power state available on the ESP32. It is similar to deep sleep…

Deep Sleep Mode

The ESP32 has multiple power-saving modes, and deep sleep is one of the most effective for reducing…