ESP32 series
ESP32-WROOM-32 (4MB) is a part of the Espressif ESP32 series, which consists of Wi-Fi and Bluetooth enabled microcontroller that integrates high-performance Tensilica Xtensa LX6 cores and rich peripheral interfaces. This system-on-chip is designed for applications requiring a wide range of power and performance. It features 4 MB of SPI flash and 4 MB of external RAM, as well as other features such as an RTC, PWM, ADC, and temperature sensor. It also includes a number of I/Os, including multiple UART, I2C, SPI, and GPIO interfaces. Additionally, the unit is compatible with various operating systems, including FreeRTOS, open source Arduino development environment, and Python.