Specifications of the ESP32S Development Board
Main processor: Tensilica Xtensa 32-bit LX6 microprocessor
Has Ultra-low power Coprocessor
Clock frequency: up to 240 MHz
Wireless connectivity: Wi-Fi: 802.11 b/g/n/e/i (802.11n @ 2.4 GHz up to 150 Mbit/s) ; Bluetooth: v4.2 BR/EDR and Bluetooth Low Energy (BLE)
Security: IEEE 802.11 standard security features all supported, Secure boot , Flash encryption 1024-bit OTP, up to 768-bit for customers, and Cryptographic hardware acceleration.
Designed with TSMC Ultra-low power 40nm technology
Operating Voltage : 3.3V
DC Current on I/O Pins : 40 mA
DC Current on 3.3V Pins : 50 mA
Communication :SPI, I2C, I2S, CAN, UART
Has on-board enable and reset pins