Geekcreit WiFi + Bluetooth ESP32 Module Dual Core CPU With Low Power Consumption MCU ESP-32S


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1. ESP32 is a complete,small form factor(SFF)802.11 b/g/n/e/i(2.4GHz)WLAN plus BT4.2combo solution
    optimized for low-power,mobile consumer electronics,wearable and Internet of Things(IOT) devices.ESP32 integrates all
    WLAN and BT functionality in a single package to support a low cost,layout-friendly implementation while allowing
    flexibility for platform specific customization.
2. ESP32 is a highly integrated solution with less than 10 external components.
3. ESP32 integrates the transmit /receive RF functionality including the antenna switches,RF banal,power amplifier,
    low noise receive amplifier,filters,power management,and advanced calibration circuitries that allow the solution to
    dynamically adjust itself to adapt to external circuit inflections.
4. The entire solution reduces Printed Circuit Board (PCB) area,time-to-market,and bill-of-material(BOM)costs while
    adding capabilities and processing power.the mass production of ESP32 does not require expensive and specialized Wi-Fi test equipment.
5. ESP32’s ultra low power consumption radio architecture and proprietary power save technologies extend batter life
    in real-world applications,using the following features:
     a. Fine granularity clock-gating
     b. Multiple low-power modes
     c. Dynamic voltage scaling
For instance,in a low-power IoT sensor hub application scenario,ESP32 is woken up periodically and only when a specified condition
is detected;low duty cycle is used to minimize the amount of energy that the chip expends.The output power of the power amplifier
can also be adjusted,so that an optimal trade off between the communication range,data rate and power consumption is achieved.

Basic Features:


802.11 b/g/n/e/I
802.11 n (2.4Ghz), up to 150Mbps
802.11 I security features: Per-authentication and TSN   
802.11 e:Multiple queue management to fully utilize QoStraffic prioritization       
Wi-Fi Protected Access (WPA)/WPA2
Wi-Fi Protected Setup(WPS) 
A- MPDU and A-MSDU aggregation   
Fragmentation and defragmentation    
SSL stacks with hardware accelerators
Automatic beacon monitoring / scanning
Infrastructure BSS Station mode/ Soft AP mode
Wi-Fi Direct (P2P), P2P Discovery, P2P Group Owner mode and P2P Power Management
UMA compliant and certified
Antenna diversity and selection
WMM power save U-APSD

CMOS single-chip fully-integrated radio and baseband
Bluetooth Piconet and Scatter net
Bluetooth 4.2(BR/EDR/BLE)
Adaptive Frequency Hopping(AFH)
Class-1 ,class-2 and class-34 transmitter without external power amplifier
+10 dBm transmitting power
NZIF receiver with-90 dBm sensitivity
Up-to 4 Mbps high speed UART HCI
Low power consumption
Minimum external component

CPU and Memory
Xtensa®Dual-core32-bit LX6 microprocessors,up to 400 MIPS
128 KB ROM
QSPI Flash/SRAM,up to 4x 16 MB
Power supply: 2.5V to 3.6V
Clocks and Timers
2 MHz to 40 MHz crystal oscillator
Internal 8 MHz oscillator with calibration
External 32kHz oscillator for RTC with calibration
Internal RC oscillator with calibration
Two timer groups including 3×64-bit timer and 1x watchdog in each group
RTC timer with sub-second accuracy
RTC watchdog

Advanced Features:
Advanced Peripheral Interfaces
12-bit SAR ADC up to 16 channels
2×10-bit DA converters
10x touch sensors
Temperature sensor
1 host(SD/eMMC/SDIO)
1 slave(SDIO/SPI)
Ethernet MAC interface with dedicated DMA and IEEE 1588 support
CAN 2.0
Motor PWM
LED PWM up to 16 channels

IEEE 802.11 standard security features all supported,including WFA,WPA/WPA2 and WAPI
Secure boot
Flash encrypt
1014-bit OTP,up to 768-bit for customers
Crytographic hardware acceleration:
AES 128/192/256
Random Number Generator
Generic low power
 – IOT sensor hub
 – IOT loggers
Audio & Video
 – Internet music players
 – Audio headsets
 – Wi-Fi + Bluetooth audio streaming devices
 – Video Steaming from camera
Wi-Fi + Bluetooth enabled
 – Over The Top (OTT) devices
 – Smart devices  
 – Wi-Fi enabled 
 – Loggers toys  
 – Proximity sensing toys 
 – Speech recognition devices  
Home automation
 – Smart plugs
 – Smart lightings
Industrial automation
 – Industrial wireless control
  – Mesh network
Security ID tags
Sensor network
 – Wi-Fi location-aware devices
 – Wearable electronics
 – Baby monitors
Health care
 – Proximity movement monitoring
 – Trigger devices
 – Temperature sensing loggers

Development Support
Firmware and SDK for fast on-chip Programming
Open source tool chains based on GCC

More details

Package included:

1 x WiFi + Bluetooth ESP32 Module