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The combined module ESP-32S is a wireless Wifi and Bluetooth platform with ultra low power consumption based on the chipset ESPRESIFF. The module provides the SDM Firmware for fast online programming, is designed for sensor Iot, for loggers, for Wifi and Bluetooth devices, home automation, etc.


• CPU and Memory: Xtensa® 32-bit LX6 Dua-core processor, up to 600 DMIPS
• 448 Kbytes ROM
• 520 Kbytes SRAM
• 16 Kbytes SRAM in the RTC
• QSPI can connect up to 4* Flash/SRAM, each flash should be less than 16 Mbytes
• Supply Voltage: 2.2 V~3.6 V

• 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
• 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

• 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)
• All GATT-based profile supported
• SPP-Like the GATT-based profile
• The BLE Beacon
• CVSD and the SBC for audio codec
• Bluetooth Piconet and Scatternet

Clocks and timer:
• 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 & 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 x touch sensors
• Temperature sensor
• 4 × SPI, 2 × I2S, 2 X I2C, 3 X 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 signal up to 16 channels
• Hall sensor
• Ultra low power analog pre-amplifier

• The 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

Development support:
• SDK Firmware for fast on-line programming
• Open source toolchains based on GCC

• Generic low-power IoT sensor hub
• Generic low-power IoT loggers
• Music players - Internet music players - Audio streaming devices
• Wi-Fi enabled toys - Loggers - Proximity sensing toys

1 pcs ESP-32S Wifi Bluetooth Module dual core

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