ESP32-WROVER ESP32 IPEX Antenna 4MB SPI FLASH + 8MB PSRAM WiFi-BT-BLE MCU Wireless Module
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Updated New Version ESP32-WROVER-B Module (February 21, 2019)
ESP32-WROVER-B is a powerful, generic WiFi-BT-BLE MCU module that targets 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. It features a 4 MB external SPI flash and an additional 8 MB SPI Pseudo static RAM (PSRAM).
The chip embedded is designed to be scalable and adaptive. There are two CPU cores that can be individually controlled, and the clock frequency is adjustable from 80 MHz to 240 MHz. The user may also power off the CPU and make use of the low-power co-processor to constantly monitor the peripherals for changes or crossing of thresholds. ESP32 integrates a rich set of peripherals, ranging from capacitive touch sensors, Hall sensors, low-noise sense amplifiers, 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 future proof: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. ESP32 supports a data rate of up to 150 Mbps, and 20.5 dBm output power at the antenna to ensure the widest physical range. As such the chip 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 developers can continually upgrade their products even after their release.
Wi-Fi certification:Wi-Fi Alliance
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 in-terval support
Frequency range:2.4 GHz ~ 2.5 GHz
bluetooth:Protocols:bluetooth v4.2 BR/EDR and BLE specification
Radio:NZIF receiver with –97 dBm sensitivity
Class-1, class-2 and class-3 transmitter
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
On-chip sensor:Hall sensor
Integrated crystal:40 MHz crystal
Integrated SPI flash:4 MB
Integrated PSRAM:8 MB
Operating voltage/ Power supply:2.3 V ~ 3.6 V
Operating current:Average:80 mA
Minimum current delivered by power supply:500 mA
Recommended operating tem-perature range:–40 °C ~ 85 °C
Package size:(18.00±0.10) mm * (31.40±0.10) mm * (3.30±0.10) mm
1 x ESP32-WROVER IPEX Antenna Module
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