ESP32-WROVER-E is a powerful, generic Wi-Fi + Bluetooth + Bluetooth LE MCU modules that target a wide variety of applications, ranging from low-power sensor networks to the most demanding tasks, such as voice encoding, music streaming and MP3 decoding. ESP32-WROVER-E comes with a PCB antenna, and ESP32-WROVER-IE with a connector for an external antenna. They both feature a 4 MB external SPI flash and an additional 8 MB SPI Pseudo static RAM (PSRAM).
At the core of the module is the ESP32-D0WD-V3 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 80 MHz to 240 MHz. The chip also has a low-power coprocessor that can be used instead of the CPU to save power while performing tasks that do not require much computing power, such as monitoring of peripherals. ESP32 integrates a rich set of peripherals, ranging from capacitive touch sensors, Hall sensors, SD card interface, Ethernet, high-speed SPI, UART, I2S and I2C.
The integration of Bluetooth®, Bluetooth LE and Wi-Fi ensures that a wide range of applications can be targeted and that the module is all-around: using Wi-Fi allows a large physical range and direct connection to the Internet through a Wi-Fi router, while using Bluetooth allows the user to conveniently connect to the phone or broadcast low energy beacons for its detection. The sleep current of the ESP32 chip is less than 5 µA, making it suitable for battery powered and wearable electronics applications. The module supports a data rate of up to 150 Mbps, and 20 dBm output power at the antenna to ensure the widest physical range. As such the module does offer industry-leading specifications and the best performance for electronic integration, range, power consumption, and connectivity. The operating system chosen for ESP32 is freeRTOS with LwIP; TLS 1.2 with hardware acceleration is built in as well. Secure (encrypted) over the air (OTA) upgrade is also supported, so that users can upgrade their products even after their release, at minimum cost and effort.
Specifications:
- Wi-Fi Protocols 802.11 b/g/n (802.11n up to 150 Mbps) A-MPDU and A-MSDU aggregation and 0.4 µs guard interval support
- Frequency range 2412 ~ 2484 MHz
- Bluetooth Protocols Bluetooth v4.2 BR/EDR and Bluetooth LE specification Radio NZIF receiver with –97 dBm sensitivity
- Class-1, class-2 and class-3 transmitter
- AFH Audio CVSD and SBC Hardware Module interfaces 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®), compatible with ISO11898-1 (CAN Specification 2.0)
- On-chip sensor Hall sensor
- Integrated crystal 40 MHz crystal
- Integrated SPI flash 4 MB
- Integrated PSRAM 8 MB
- Operating voltage/Power supply 3.0 V ~ 3.6 V
- Minimum current delivered by power supply 500 mA Recommended operating temperature range –40 °C ~ 85 °C
- Package size (18.00±0.15) mm × (31.40±0.15) mm × (3.30±0.15) mm
- Moisture sensitivity level (MSL) Level 3
Applications:
- Audio and Video devices
- OTT devices
- Smart devices
- Home automation
- Industrial automation
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