Introduction

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Learn how to change the CPU frequency of ESP32 using Arduino IDE. We will explain methods for reading and changing the CPU frequency. Optimizing CPU speed can significantly impact performance and power consumption, and changing the clock speed can significantly change the power consumption of IoT devices. Why to Change CPU Speed? Exploring why adjusting…

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…

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…

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. Single Core vs Dual Core What is Single Core & Dual Core Processing?In…

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,…