Each mode has different power consumption ratings. This helps to save a lot of power when powered from the battery source.ĮSP32 can be configured at five different power modes. It is also able to run when ESP32 is in deep sleep mode. The specialty of this processor is that it can run independently from the main core processor and it also has access to GPIOs and some of the peripherals. ULP stands for Ultra-Low Power which is integrated into the ESP32 board. The ESP32 also has a low power coprocessor which is called ULP. Additionally, it has an inbuilt Wi-Fi Module, Bluetooth, RTC, and a lot of other peripherals which makes it popular for several IoT applications using ESP32. It can be seen in the figure above, ESP32 comes with a dual-core 32-bit Microprocessor with 448 KB of ROM, 520 KB of SRAM and 4MB of Flash memory. To learn more about ESP32, check the various ESP32 based projects. In this article, we will discuss different sleep modes of ESP32 and will check the current consumption in normal as well as in deep sleep mode.
ESP32 offers different sleep modes, using which we can save a lot of power and can be able to run our IoT applications for a longer time using the battery source.
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