ESP32-WROOM-32E is a powerful, generic Wi-Fi MCU modules that have a rich set of peripherals. It is an ideal choice for a wide variety of application scenarios related to Internet of Things (IoT), such as embedded systems, smart home, wearable electronics, etc.ESP32-WROOM-32E comes with a PCB antenna.
Features
CPU and On-Chip Memory
- ESP32-D0WD-V3 or ESP32-D0WDR2-V3 embedded, Xtensa dual-core 32-bit LX6
microprocessor, up to 240 MHz
- 448 KB ROM
- 520 KB SRAM
- 16 KB SRAM in RTC
Wi-Fi
- 802.11b/g/n
- Bit rate: 802.11n up to 150 Mbps
- A-MPDU and A-MSDU aggregation
- 0.4 µs guard interval support
- Center frequency range of operating channel: 2412 ~ 2484 MHz
Bluetooth®
- Bluetooth V4.2 BR/EDR and Bluetooth LE specification
- Class-1, class-2 and class-3 transmitter
- AFH
- CVSD and SBC
Peripherals
- Up to 26 GPIOs
- 5 strapping GPIOs
- SD card, UART, SPI, SDIO, I2C, LED PWM, Motor PWM, I2S, IR, pulse counter, GPIO, capacitive touch sensor, ADC, DAC, TWAI® (compatible with ISO 11898-1, i.e. CAN Specification 2.0)
Integrated Components on Module
- 40 MHz crystal oscillator
- 4/8/16 MB SPI flash
- ESP32-D0WDR2-V3 also provides 2 MB PSRAM
Antenna Options
- ESP32-WROOM-32E: On-board PCB antenna
- ESP32-WROOM-32UE: external antenna via a connector
Operating Conditions
- Operating voltage/Power supply: 3.0 ~ 3.6 V
- Operating ambient temperature:
- 85 °C version: –40 ~ 85 °C
- 105 °C version: –40 ~ 105 °C.
- Note that only the modules embedded with a 4/8 MB flash support this version.
Certification
- Bluetooth certification: BQB
- RF certification: See certificates for ESP32-WROOM-32E and ESP32-WROOM-32UE
- Green certification: REACH/RoHSTest HTOL/HTSL/uHAST/TCT/ESD