The ESP32 is a low-cost, low-power system on a chip (SoC) developed by Espressif Systems. It features built-in Wi-Fi and Bluetooth capabilities, making it ideal for Internet of Things (IoT) applications. The chip is widely used in various projects, from smart home devices to wearable technology, due to its versatility and ease of use. With a dual-core processor, the ESP32 can handle multiple tasks simultaneously, enhancing performance in complex applications. It supports various programming environments, including the popular Arduino platform, allowing developers to create and prototype their ideas quickly. Its extensive community support further aids in troubleshooting and project development.