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ESP32-WROVER-B module from the ESP32 family - Wi-Fi / Bluetooth BLE

Module from the ESP32 series, combining a powerful microcontroller, Wi-Fi and Bluetooth 4.2 BLE. ESP-WROVER-B has a built-in PCB antenna, a large number of GPIO lines and small dimensions. Adafruit 3979

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ID: 573773

12,21€ gross (23% VAT)
9,93€ net

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Data sheet

Logic voltage3,3 V
Wi-Fi chipESP32
Wi-Fi standard802.11 b/g/n
Frequency range2,4 GHz
Baud rate150 Mbps
Antenna connectorBrak
Power supply voltage2,7 - 3,6 V

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Description

ESP32-WROVER-B is a WiFi-BT-BLE MCU module that is designed for a wide range of applications ranging from low-power sensor networks to the most demanding tasks, such as voice coding, streaming music and MP3 decoding. The ESP32-WROVER-B is equipped with a 4-MB external Flash SPI memory and an additional 8-bit SPI RAM memory (PSRAM).

The Bluetooth integration, Bluetooth LE and Wi-Fi provides the possibility of using in a wide range of applications, and the module is versatile. The ESP32 current consumption is less than 5 μA, making it suitable for battery-powered devices. The module supports data transfer rates up to 150 Mb / s, and the 20 dBm output power in the antenna provides a good range. The operating system chosen for ESP32 is freeRTOS with LwIP; TLS 1.2 protocol with hardware acceleration. A secure (encrypted) OTA update is also supported, allowing users to update their products even after their release, with minimal costs and effort.

properties

  • Wi-Fi:
    • 802.11 b / g / n protocols (802.11n to 150 Mb / s)
    • Aggregation of A-MPDU and A-MSDU and support for a protection interval of 0.4 μs
    • Frequency range 2.4 ... 2.5 GHz
  • Bluetooth:
    • Protocols Bluetooth v4.2 BR / EDR and BLE specification
    • Radio
      • NZIF receiver with a sensitivity of -97 dBm
      • Transmitter class 1, class 2 and class 3
      • AFH
    • Audio CVSD and SBC
  • Interfaces: SD card, UART, SPI, SDIO, I2C, LED PWM, Motor PWM, I2S, IR, pulse counter, GPIO, capacitive touch sensor, ADC, DAC
  • Hall sensor
  • Integrated 40 MHz oscillator
  • Integrated flash memory 4 MB
  • Integrated PSRAM memory of 8 MB
  • Supply voltage: 2.7 ... 3.6 V
  • Working temperature range -40 ... 65 ° C
  • Dimensions: 18 × 31.4 × 3.3 mm

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