ESP32 WIFI Bluetooth Development Board ESP32-S Module W/ Battery Interface IPEX
Features
1.Dual-core processor, main frequency 240MHz, low power consumption and high performance, support peripheral expansion.
2.Wi-Fi Bluetooth dual-mode, strong RF performance, stable and reliable, adapted to the Internet of Things scenarios.
3.USB 2.0 interface, 480Mbps high-speed transmission, stable and efficient power data connection.
4.CH340X chip, 2Mbps baud rate, built-in clock buffer, simplified design to ensure stability.
5. One-key switch reset, short press operation is convenient, adapting to the needs of multi-scene use.
 
Overview
The ESP32 is a high-performance, low-power Wi-Fi and Bluetooth dual-mode system-on-chip with 40nm process for ultra-high RF performance, stability and reliability. Built-in Xtensa LX6 dual-core 32-bit processor with up to 240MHz, 520KB of SRAM and 448KB of ROM, and support for external memory expansion, the ESP32 also integrates a rich set of peripheral interfaces. ESP32 also integrates rich peripheral interfaces. In addition, it supports multiple communication protocols, has strong security encryption function, and can be developed through various programming environments, such as MicroPython, which is widely used in IoT and smart home applications.
 
Function:
MCU : ESP32 is a dual-core MCU with integrated Wi-Fi and Bluetooth, featuring low power consumption, high performance, rich peripheral interfaces and support for multiple communication protocols, which is suitable for IoT, smart home and other application scenarios.
2.0 Battery Interface: 480Mbps transmission rate, supports USB 2.0 standard, provides stable power transmission and data connection for devices.
USB:CH340X: Supports the highest baud rate up to 2Mbps and has a built-in transceiver buffer to ensure data transmission stability. The built-in clock eliminates the need for an external crystal, simplifying circuit design and providing reliable and stable data transmission.
Switch on/off reset key: under power condition, short press once to turn on the power and reset, short press twice to turn off the power.
 
Chip parameters:
The main chip adopts a low-power dual-core 32-bit CPU with a main frequency of up to 240MHz.
Default 520KB SRAM and 448KB ROM
Supports external memory expansion
Ultra-small 802.11b/g/n Wi-Fi+BT/BLE SoC module
Support UART/SP1/12C/12S/PWM/ADC/DAC etc.
Support firmware upgrade (FOTA)
Antenna support on-board antenna or IPEX holder output
PCB board size: 48mm*25mm
 
Module application scenario:
DIY secondary development
IoT node devices
Smart Home
 
Package Includes
1 x Development Board
 
Attention:
1, the module is connected to the PCB on-board antenna by default (i.e. only connect the 0OR resistor at ①);
2、If you need to use IPEX mount external antenna, just connect the 0OR resistor at ② (you need to replace the 0R resistor position by yourself);
3、The 0R resistor can only be placed at ① or ②, corresponding to the use of different antennas, can not be placed at the same time!

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