Features

• 1. ESP32 is a single-chip solution that integrates 2.4 GHz Wi-Fi and Bluetooth dual-mode, using TSMC's ultra-low-power 40-nm process.Optimal power performance, RF performance, stability, versatility and reliability for a wide range of applications and different power requirements.
• 2. ESP32 is designed for mobile devices, wearable electronics and Internet of Things (IoT) applications. As the industry's leading low power chip, ESP32 has Fine-resolution features such as clock gating, power-saving modes, and dynamic voltage scaling.For example, in a low-power IoT sensor Hub application scenario, ESP32 will only be periodically woken up under certain conditions. Low duty cycle can make
• 3. The energy consumption of the ESP32 chip reaches a small value. The output power of the RF power amplifier can also be adjusted to achieve the most balanced communication distance, data rate and power consumption.

• 4. ESP32 is designed for mobile devices, wearable electronics and Internet of Things (IoT) applications. As the industry's leading low power chip, ESP32 has Fine-resolution features such as clock gating, power-saving modes, and dynamic voltage scaling.
• 5. The energy consumption of the ESP32 chip reaches a small value. The output power of the RF power amplifier can also be adjusted to achieve a balance between communication distance, data rate and power consumption.

WiFi

• 802.11 b/g/n/e/i
• 802.11 n (2.4 GHz) with speeds up to 150 Mbps
• 802.11 e: QoS mechanism for wireless multimedia technology

• WMM-PS, UAPSD
• A-MPDU and A-MSDU frame aggregation technology

• Block reply
• Fragmentation and reorganization
• Beacon automatic monitoring / scanning

• 802.11 i security features: pre-authentication and TSN
• Support WPA / WPA2 / WPA2-Enterprise / WPS encryption
• Infrastructure BSS Station Mode / SoftAP Mode

• Wi-Fi Direct (P2P), P2P discovery, P2P GO mode and P2P power management
• UMA compatibility and certification
• Antenna diversity and selection

Bluetooth

• Bluetooth v4.2 full standard, including traditional Bluetooth (BR/EDR) and Bluetooth Low Energy (BLE)
• Supports standard Class-1, Class-2 and Class-3 without external power amplifier
• Enhanced precision power control

• Output power up to + 10 dBm
• NZIF receiver with BLE reception sensitivity of -98 dBm

• Adaptive Frequency Hopping (AFH)
• Standard HCI based on SDIO / SPI / UART interface
• High speed UART HCI up to 4 Mbps

• Support for BT 4.2 controller and host protocol stack
• Service Discovery Protocol (SDP)
• Universal Access Application (GAP)

• Security Management Protocol (SMP)
• Bluetooth low energy
• ATT / GATT

• HID
• Supports all GATT-based Bluetooth low energy applications
• SPP-Like Bluetooth Low Energy Data Transfer Protocol

• BLE Beacon
• A2DP / AVRCP / SPP, HSP / HFP, RFCOMM

• CVSD and SBC audio codec algorithms
• Bluetooth piconet and Scatternet

CPU/ Storage

• Xtensa® 32-bit LX6 dual-core processor, computing power 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 up to 16 MBytes

• Power supply voltage: 2.2V to 3.6V

Clock/ timer

• uilt-in 8 MHz oscillator, support self-calibration
• Built-in RC oscillator, support self-calibration

• Support external 2 MHz to 40 MHz crystal oscillator
• Support external 32 kHz crystal oscillator for RTC, support self-calibration
• 2 timer groups, each group includes 2 64-bit general-purpose timers and 1 main system watchdog

• RTC timer with sub-second precision
• RTC watchdog

Feature:
Peripheral interface

• 12-bit SAR ADC, up to 18 channels
• 2 8-bit D/A converters

• 10 touch sensors
• Temperature Sensor
• 4 SPI

• S2 I2S
• 2 I2C
• 3 UARTs

• 1 Host SD / eMMC / SDIO
• 1 Slave SDIO / SPI
• Ethernet MAC interface with dedicated DMA, supporting IEEE 1588

• CAN 2.0
• IR (TX / RX)
• Motor PWM

• LED PWM, up to 16 channels
• Hall sensor

• Ultra-low power pre-analog amplifier

Security Mechanism:

• Support all IEEE 802.11 security features, including WFA, WPA/WPA2 and WAPI
• Safe boot

• Flash encryption
• 1024-bit OTP, up to 768 bits available to users
• Encryption hardware accelerator:

     – AES

     – HASH (SHA-2) library

     – RSA

     – ECC

     – Random Number Generator (RNG) 

Application:

• Universal low-power IoT sensor Hub
• Universal low-power IoT recorder

• Camera video streaming
• OTT TV box/set-top box equipment
• music player

     – Network music player

     – Audio streaming media equipment

• Wi-Fi toys

     – Counter

     – Toy anti-lost device

• Wi-Fi voice recognition equipment
• Headset
• Smart socket

• Home automation
• Mesh network
• Industrial wireless control

• Baby monitor
• Wearable electronics

• Wi-Fi location-aware equipment

• Security ID tag
• Health care

   – Motion monitoring and anti-lost alarm

   – Logger

Development support:

• SDK firmware supporting fast online programming
• Open source tools based on GCC

1.  Options  ESP32-WROOM-32 x1