ESP32 Features
Dual core Xtensa microprocessor (LX6), running at 160 or 240MHz
520KB of SRAM
802.11b/g/n/e/i
Bluetooth v4.2 BR/EDR and BLE
Various peripherals:
12-bit ADC with up to 18 channels
2x 8-bit DACs
10x touch sensors
4x SPI
2x I2S
2x I2C
3x UART
SD/SDIO/MMC host
Slave (SDIO/SPI)
Ethernet MAC
CAN bus 2.0
IR (RX/TX)
Motor PWM
LED PWM with up to 16 channels
Hall effect sensor
Temperature sensor
Cryptographic hardware acceleration (RNG, ECC, RSA, SHA-2, AES)
5uA deep sleep current
Asymmetric Multiprocessing (AMP)
ESP32 allows 2 different applications to be executed in ESP32 SoC. Due to its dual-core architecture, each core can be enabled to execute customized tasks in stand-alone mode and/or exchanging data over OpenAMP framework. See Inter-Processor Communication (IPC) folder as code reference.
For more information, check the ESP32 Datasheet or the ESP32 Technical Reference Manual.