Overview
The ESP32-WROOM-32E-N8 is a powerful, generic Wi-Fi + Bluetooth + Bluetooth LE MCU module developed by Espressif Systems. This module is embedded with the ESP32-D0WD-V3 or ESP32-D0WDR2-V3, which features an Xtensa dual-core 32-bit LX6 microprocessor capable of operating up to 240 MHz. It is designed to target a wide variety of applications, ranging from low-power sensor networks to more demanding tasks such as voice encoding, music streaming, and MP3 decoding. The module includes a PCB antenna and supports various peripherals and interfaces, making it versatile for different use cases.
Key Specifications
| Specification | Details |
|---|---|
| CPU and On-Chip Memory | ESP32-D0WD-V3 or ESP32-D0WDR2-V3, Xtensa dual-core 32-bit LX6 microprocessor, up to 240 MHz |
| ROM | 448 KB |
| SRAM | 520 KB + 16 KB SRAM in RTC + 2 MB PSRAM (for ESP32-D0WDR2-V3) |
| Wi-Fi | 802.11b/g/n, bit rate up to 150 Mbps, A-MPDU and A-MSDU aggregation, 0.4 µs guard interval support |
| Bluetooth | Bluetooth V4.2 BR/EDR and Bluetooth LE specification, Class-1, Class-2, and Class-3 transmitter |
| Flash Memory | 4 MB / 8 MB / 16 MB external SPI flash (custom orders available) |
| Antenna | On-board PCB antenna |
| Operating Voltage/Power Supply | 3.0 ~ 3.6 V |
| Operating Temperature Range | –40 ~ 85 °C (–40 ~ 105 °C for certain versions) |
| Dimensions | 18.00±0.15 mm × 25.50±0.15 mm × 3.10±0.15 mm |
| Certifications | Bluetooth certification: BQB, RF certification: FCC/CE-RED/SRRC, Green certification: REACH/RoHS |
Key Features
- Powerful MCU: Embedded with ESP32-D0WD-V3 or ESP32-D0WDR2-V3, featuring an Xtensa dual-core 32-bit LX6 microprocessor up to 240 MHz.
- Wireless Connectivity: Supports Wi-Fi (802.11b/g/n) and Bluetooth (V4.2 BR/EDR and Bluetooth LE).
- Memory and Storage: Includes 448 KB ROM, 520 KB SRAM, 16 KB SRAM in RTC, and up to 16 MB external SPI flash.
- Peripherals and Interfaces: SD card, UART, SPI, SDIO, I2C, LED PWM, Motor PWM, I2S, IR, pulse counter, GPIO, capacitive touch sensor, ADC, DAC, and TWAI (compatible with ISO 11898-1).
- Antenna Options: Comes with an on-board PCB antenna.
- Certifications: Bluetooth certification: BQB, RF certification: FCC/CE-RED/SRRC, Green certification: REACH/RoHS.
Applications
- Low-Power Sensor Networks: Ideal for IoT applications requiring low power consumption.
- Voice Encoding and Music Streaming: Capable of handling demanding tasks such as voice encoding and music streaming.
- Industrial Automation: Supports various industrial protocols and interfaces, making it suitable for industrial automation.
- Consumer Electronics: Can be used in smart home devices, wearables, and other consumer electronics.
- Automotive Systems: Compatible with automotive standards and can be used in vehicle systems.
Q & A
- What is the CPU used in the ESP32-WROOM-32E-N8 module?
The ESP32-WROOM-32E-N8 module uses the ESP32-D0WD-V3 or ESP32-D0WDR2-V3, which features an Xtensa dual-core 32-bit LX6 microprocessor up to 240 MHz.
- What types of wireless connectivity does the ESP32-WROOM-32E-N8 support?
The module supports Wi-Fi (802.11b/g/n) and Bluetooth (V4.2 BR/EDR and Bluetooth LE).
- What is the memory configuration of the ESP32-WROOM-32E-N8?
The module includes 448 KB ROM, 520 KB SRAM, 16 KB SRAM in RTC, and up to 16 MB external SPI flash.
- What types of peripherals and interfaces are available on the ESP32-WROOM-32E-N8?
The module supports SD card, UART, SPI, SDIO, I2C, LED PWM, Motor PWM, I2S, IR, pulse counter, GPIO, capacitive touch sensor, ADC, DAC, and TWAI (compatible with ISO 11898-1).
- What is the operating voltage range of the ESP32-WROOM-32E-N8?
The operating voltage range is 3.0 ~ 3.6 V.
- What are the dimensions of the ESP32-WROOM-32E-N8 module?
The dimensions are 18.00±0.15 mm × 25.50±0.15 mm × 3.10±0.15 mm.
- What certifications does the ESP32-WROOM-32E-N8 hold?
The module holds Bluetooth certification: BQB, RF certification: FCC/CE-RED/SRRC, and Green certification: REACH/RoHS.
- Can the ESP32-WROOM-32E-N8 be used in industrial applications?
Yes, it supports various industrial protocols and interfaces, making it suitable for industrial automation.
- Is the ESP32-WROOM-32E-N8 suitable for low-power applications?
Yes, it is ideal for low-power sensor networks and other IoT applications requiring low power consumption.
- Can the ESP32-WROOM-32E-N8 handle demanding tasks like music streaming?
Yes, it is capable of handling demanding tasks such as voice encoding, music streaming, and MP3 decoding.
