ESP32 ESP-32S Development Board WiFi+Bluetooth - Dual Core UltraLow Power Consumption Microcontoller

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ESP-32S 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-32S integrates 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 sercurity mechanism.

Key Feature:

• Xtensa 32-bit LX6 Dua-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.

Wifi:

• 802.11 b/g/n/e/i
• 802.11 n（2.4 GHz），up to 150 Mbps
• 802.11 e: QoS for wireless multimedia technology.
• WMM-PS, UAPSD
• 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 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 Discover Protocol (SDP)
• General Access Profile (GAP)
• Security Manage 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

Clock and times

• Internal 8 MHz oscillator 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 timer with sub-second accuracy
• RTC watchdog

Prepheral 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

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)
• SDK Firmware for fast on-line programming
• Open source toolchains based on GCC

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