ESP32 ESP-32 Dev-kit Development Board Dual-Core Wifi Bluetooth IOT Ar

240 MHz dual core Tensilica LX6 microcontroller with 600 DMIPS
Integrated 520 KB SRAM
Integrated 802.11 b/g/n HT40 Wi-Fi transceiver, baseband, stack and LWIP
Integrated dual mode Bluetooth (classic and BLE)
16 MByte flash
2.3V to 3.6V operating voltage
-40 to 125C operating temperature
On-board PCB antenna / IPEX connector for external antenna

SENSORS
Ultra-low noise analog amplifier
Hall sensor
10x capacitive touch interface
32 kHz crystal oscillator

32x GPIO
3 x UARTs, including hardware flow control
3 x SPI
2 x I2S
12 x ADC input channels
2 x DAC
2 x I2C
PWM/timer input/output available on every GPIO pin
OpenOCD debug interface with 32 kB TRAX buffer
SDIO master/slave 50 MHz
Supports external SPI flash up to 16 MB
SD-card interface support