Introduction

Learn how to use ESP32 analog input pins using Arduino IDE. Analog pins are used to read various voltage levels. Table of Content Working of ADC ESP32 ADC ESP32 has two 12-bit SAR (Successive Approximation Register) ADCs. Channel No of Inputs GPIOs ADC1 8 32 to 39 ADC2 10 0, 2, 4, 12 to 15,…

Learn how to use ESP32 external interrupts using Arduino IDE. We will explain the example of an external interrupt with a button and LED. We will further discuss how to set the trigger event type and priority. Table of Content Why interrupts are important ? Let’s look at a straightforward example. Imagine you have an…

Table of Content Pulse Width Modulation (PWM) ESP32 has Five Power Modes: Power Mode CPU Wi-Fi/Bluetooth RTC Memory & Peripherals ULP Power Consumption Active Mode ON ON ON ON Refer [RF Modes] Modem-Sleep Mode ON OFF ON ON 20 mA to 68 mA Light-Sleep Mode PAUSE OFF ON ON 0.8 mA Deep-Sleep Mode OFF OFF…

ESP32 comes with a dual-core processor. The dual-core processing provides efficiency in terms of performance as well as power consumption. In this post, we’ll explore how to access both cores on the ESP32 and compare the performance between single-core and dual-core operations. Table of Content Single Core vs Dual Core What is Single Core &…

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ESP32 comes with a dual-core processor. The dual-core processing provides efficiency in terms of performance as well as power consumption. In this post, we’ll explore how to access both cores on the ESP32 and compare the performance between single-core and dual-core operations. Table of Content ESP32 Power Modes ESP32 has Five Power Modes: Power Mode…