ESP32
A series of low-cost, low-power system on a chip microcontrollers with integrated Wi-Fi and dual-mode Bluetooth. Developed by Espressif Systems, it features multiple GPIO pins, support for various communication protocols, and low power consumption with various power-saving modes, making it versatile for numerous applications. The ESP32 is primarily targeted at developers and engineers working on IoT applications, wearable electronics, and other embedded systems.