?????????????????????????????? Table of Content Single Core vs Dual Core What is Single Core & Dual Core Processing?A Dual-core processing refers to two cores(processing units), that can execute instructions independently. ESP32 has two cores (Core 0 and Core1), which can run code simultaneously allowing parallel execution of tasks. Why is Dual-core processing important?Imagine an example of…

In this example, we will see how to create a simple web server using ESP32. We will see how to control LED wirelessly using a mobile or laptop. Table of Content Overview 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…

Learn how to use ESP32 gpio interrupts using Arduino IDE. We will explain the example of an interrupt with a button and LED. Table of Content Why interrupts are important ? Let’s look at a straightforward example. Imagine you have an ESP32 controlling an LED that blinks every second. At the same time, you want…

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…

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 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. Table of Content Why to Change CPU Speed?…

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…

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