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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. ESP32 Power Modes ESP32 has Five Power Modes: Power Mode CPU Wi-Fi/Bluetooth RTC…

Learn how to use ESP32 capacitive touch pins using Arduino IDE. We will explain the working of touch-sensing pins with an example. Table of Content Working of touch-sensing GPIOs ESP32 has 10 capacitive-sensing GPIOs, which detect variations induced by touching or approaching the GPIOs with a finger or other objects. The low-noise nature of the…

What is PWM? Imagine ESP32 PWM Image(pin diagram), specifications of PWM Method 1: analogWrite() Method 2: LEDC Driver ledcAttach() ledcWrite() Example 1: Fading LED – analogWrite() We will increase and decrease the LED brightness over time. We will use the analogWrite() function to control the brightness of the LED. Code Explanation Start by defining the…

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…

The ESP32 microcontroller is a powerful tool in the world of IoT, embedded systems, and robotics, offering a wide range of functionalities. In this guide, we’ll break down the ESP32 pinout, explaining the purpose of each pin and how you can use them effectively in your projects. Pinout Diagram Power PinsGND 1 P Ground3V3 2…