Cvsd And Sbc Audio Development Board

Features:

ESP32-WROOM-32 is a general-purpose Wi-Fi BT BLE MCU module with powerful functions and a wide range of uses. It can be used for low-power sensor networks and demanding tasks, such as voice coding, audio streaming, and MP3 Decoding etc.
The core of this module is the ESP32-D0WDQ6 chip*, which is scalable and adaptive. The two CPU cores can be controlled separately. clock
The frequency adjustment range is from 80 MHz to 240 MHz. The user can cut off the power of the CPU and use the low-power co-processor to continuously monitor the peripherals
The status change or whether some analog quantity exceeds the threshold. ESP32 also integrates a wealth of peripherals, including capacitive touch sensors, Hall sensors,
Low noise sensor amplifier, SD card interface, Ethernet-interface, high-speed SDIO/SPI, UART, I2S and I2C, etc.
The module integrates traditional Bluetooth, low-power Bluetooth and Wi-Fi, and has a wide range of uses:
Wi-Fi supports a wide range of communication connections, and also supports
The router is directly connected to the Internet; while Bluetooth allows users to connect to mobile phones or broadcast BLE Beacon to facilitate signal detection. Sleep of the ESP32 chip
The current is less than 5 µA, making it suitable for battery-powered wearable electronic devices. The data transmission rate supported by the module is up to 150 Mbps, antenna output
The power reaches 20 dBm, which can achieve the widest range of wireless communication. Therefore, this module has industry-leading technical specifications,
Excellent performance in terms of transmission distance, power consumption, and network connectivity.
The operating system of ESP32 is freeRTOS with LwIP, and TLS 1.2 with hardware acceleration is built-in. The chip also supports OTA encryption
Upgrade, it is convenient for users to continue to upgrade after the product is released.

Specifications:

Test reliability:
HTOL/HTSL/uHAST/TCT/ESD
Wi-Fi protocol:
802.11 b/g/n (802.11n, speed up to 150 Mbps)
A-MPDU and A-MSDU aggregation, support 0.4 µs guard interval
Frequency range 2.4 GHz ~ 2.5 GHz
Bluetooth protocol:
Compliant with Bluetooth v4.2 BR/EDR and BLE standards
Bluetooth radio:
NZIF receiver with -97 dBm sensitivity, Class-1, Class-2 and Class-3 transmitters, AFH
Bluetooth audio:
CVSD and SBC audio
Module interface:
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)
On-chip sensor:
Hall sensor
Integrated SPI flash:
4 MB
Working voltage/supply voltage:
3.0 V ~ 3.6 V

Package Included:
1*module

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