ESP-32 Wifi Bluetooth Combo Module

ESP-32 Wifi Bluetooth combo module is ultra-high performance and ultra-low-power consumption Wi-Fi and Bluetooth combo wireless platform based on ESPRESSIF ESP32 chipset. ESP-32 integrates the dual-core processor, 448 KByte ROM,520 KByte SRAM,16 KByte SRAM in RTC, 802.11 b/g/n/e/I Wi-Fi, Bluetooth v4.2 BR/EDR & BLE, clocks & Times, abundant peripheral Interfaces and security mechanism.

ESP-32S Wifi Bluetooth combo module provides SDK Firmware for fast on-line programming and open source toolchains based on GCC for development support. It is designed for Generic low power IoT sensor hub, loggers, video streaming for the camera, Wi-Fi & Bluetooth enabled devices, Home automation and mesh network applications, aimed at makers, hardware engineers, software engineers and solution provides.

ESP32 is a single chip 2.4 GHz Wi-Fi and Bluetooth combo chip designed with TSMC ultra-low power 40 nm technology. It is designed and optimized for the best power performance, RF performance, robustness, versatility, features, and reliability, for a wide variety of applications, and different power profiles.

ESP32 is the most integrated solution for Wi-Fi + Bluetooth applications in the industry with less than 10 external components. ESP32 integrates the antenna switch, RF balun, power amplifier, low noise receive amplifier, filters, and power management modules. As such, the entire solution occupies minimal Printed Circuit Board (PCB) area.

ESP32 is designed for mobile, wearable electronics, and the Internet of Things (IoT) applications. It has many features of the state-of-the-art low power chips, including fine resolution clock gating, power modes, and dynamic power scaling.

Security :

IEEE 802.11 standard security features all supported, including WFA, WPA/WPA2, and WAPI

Secure boot

Flash encryption

1024-bit OTP, up to 768-bit for customers

Cryptographic hardware acceleration: -AES-HASH(SHA-2) library-RSA-ECC-Random Number Generator (RNG)

Application :

Generic low power IoT sensor hub

Generic low power IoT loggers

Video streaming from camera

Over The Top (OTT) devices

Music players – Internet music players – Audio streaming devices

Wi-Fi enabled toys – Loggers – Proximity sensing toys

Wi-Fi enabled speech recognition devices

Audio headsets

Smart power plugs

Home automation

Mesh network

Specification and Features:

CPU and Memory: Xtensa® 32-bit LX6 Dual-core processor, up to 600 DMIPS.

448 KByte ROM

520 KByte SRAM

16 KByte SRAM in RTC.

QSPI can connect up to 4* Flash/SRAM, each flash should be less than 16 Mbytes.

Supply Voltage: 3V~3.6V

WiFi :

802.11 b/g/n/e/i.

802.11 n (2.4 GHz), up to 150 Mbps.

WMM-PS, UAPSD.

802.11 e: QoS for wireless multimedia technology.

MPDU and A-MSDU aggregation.

Block ACK.

Fragmentation and defragmentation.

Automatic Beacon monitoring/scanning.

802.11 I security features: pre-authentication and TSN.

Wi-Fi Protected Access (WPA)/WPA2/WPA2-Enterprise/Wi-Fi Protected Setup (WPS).

Infrastructure BSS Station mode/SoftAP mode.

Wi-Fi Direct (P2P), P2P Discovery, P2P Group Owner mode and P2P Power Management.

UMA compliant and certified.

Antenna diversity and selection.

Bluetooth :

Compliant with Bluetooth v4.2 BR/EDR and BLE specification

Class-1, class-2 and class-3 transmitter without the external power amplifier

Enhanced power control

+10 dBm transmitting power

NZIF receiver with -98 dBm sensitivity

Adaptive Frequency Hopping (AFH)

Standard HCI based on SDIO/SPI/UART High-speed UART HCI, up to 4 Mbps

BT 4.2 controller and host stack

Service Discovery Protocol (SDP)

General Access Profile (GAP)

Security Manager Protocol (SMP)

Bluetooth Low Energy (BLE)

ATT/GATT

HID

All GATT-based profile supported

SPP-Like GATT-based profile

BLE Beacon

A2DP/AVRCP/SPP, HSP/HFP, RFCOMM

CVSD and SBC for audio codec

Bluetooth Piconet and Scatternet

Clocks and Timer:

Internal 8 MHz oscillators with calibration

Internal RC oscillator with calibration

External 2 MHz to 40 MHz crystal oscillator

External 32 kHz crystal oscillator for RTC with calibration

Two timer groups, including 2 x 64-bit timers and 1 x main watchdog in each group

RTC watchdog

Peripheral Interface :

12-bit SAR ADC up to 18 channels

2 × 8-bit D/A converters

10 × touch sensors

Temperature sensor

4 × SPI, 2 × I2S, 2 × I2C, 3 × UART

1 host (SD/eMMC/SDIO), 1 slave (SDIO/SPI)

Ethernet MAC interface with dedicated DMA and IEEE 1588 support

CAN 2.0

IR (TX/RX)

Motor PWM, LED PWM up to 16 channels

Hall sensor

Ultra low power analog pre-amplifier

Package Includes :

1 x ESP-32 Wifi Bluetooth Combo Module.