ESP32-WROOM 4Mb / 8Mb / 16Mb Wifi Bluetooth module

Features

CPU and on-chip memory

Built-in ESP32-DOWD-V3 chip, Xtensa dual-core 32-bit LX6 microprocessor, support up to 240 MHz clock frequency 448 KB ROM

520 KB SRAM. 16 KB RTC SRAM

WI-FI

802.11 b/g/n

Data rate up to 150 Mbps in 802.11n mode · Supports A-MPDU and A-MSDU aggregation

0.4us protection interval

· Center frequency range of working channel :2412~ 2484 MHz

Bluetooth

Bluetooth V4.2BR /EDR and Bluetooth LE standard 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, TWAIR(compatible with ISO 11898-1, CAN Specification 2.0)

Module integrated components

40MHz crystal oscillator

4/8/16 MB SPI flash(Optional)

Antenna selection

ESP32-WROOM-32E: board PCB antenna

ESP32-WROOM-32UE: Connects an external antenna through a connector

Working conditions

· Operating voltage/supply voltage :3.0 ~ 3.6V · Operating environment temperature:

-85 ° C version :-40~85 ° C

-105° C version :-40~ 105° C. Note that only modules with built-in 4/8 MB flash support the 105°C version. Modules with built-in 16 MB flash do not support the 105°C version yet.