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ESP32

The ESP32 is a series of low-cost, low-power system on a chip microcontrollers with integrated Wi-Fi and dual-mode Bluetooth. The ESP32 series employs a Tensilica Xtensa LX6 microprocessor in both dual-core and single-core variations and includes built-in antenna switches, RF balun, power amplifier, low-noise receive amplifier, filters, and power management modules.

Key Features

ESP32 Pinout

  • CPU: Xtensa dual-core (or single-core) 32-bit LX6 microprocessor
  • Clock Speed: Up to 240 MHz
  • Wi-Fi: 802.11 b/g/n
  • Bluetooth: Bluetooth v4.2 BR/EDR and BLE
  • Flash Memory: Up to 16 MB
  • SRAM: 520 KB
  • GPIOs: 34
  • ADCs: 18-channel, 12-bit
  • DACs: 2-channel, 8-bit
  • Communication Interfaces: SPI, I2C, UART, CAN, I2S

Pin Use

Pin Name Function
GPIOXX Describe its function