Espressif 
CPU and OnChip Memory
• At the core of the module is the ESP32-D0WD chip. The chip embedded is designed to be scalable and adaptive. There are two CPU cores that can be individually controlled, and the CPU clock frequency is adjustable from 80MHz to 240MHz.
• 4MB (Quad SPI) FLASH
• 8MB (Quad SPI) PSRAM
WiFi
• 802.11 b/g/n (802.11n up to 150Mbps)
• A-MPDU and A-MSDU aggregation and 0.4µs guard in terval support
Bluetooth
• Bluetooth v4.2 BR/EDR and Bluetooth LE specification
• NZIF receiver with –97dBm sensitivity
• Class-1, class-2 and class-3 transmitter
• AFH
• CVSD and SBC
Peripherals
• SD card, UART, SPI, SDIO, I2C, LED PWM, Motor PWM, I2S, IR, pulse counter, GPIO, capacitive touch sensor, ADC, DAC, Two-Wire Automotive Interface (TWAI, com patible with ISO11898-1)
Integrated Components on Module
• 40MHz crystal oscillator
Antenna Options
• External Antenna Connector (ESP32-WROVER-IE-N4R8)
Operating Conditions
• Operating voltage/Power supply: 3.0 ~ 3.6V
• Operating ambient temperature: –40 ~ 85°C
