ESP32S CH9102X microcontroller, Wi-Fi, Bluetooth, 30× GPIO, 3× UART, 3× SPI, 2× I2C

Product description ESP32S CH9102X WiFi Bluetooth microcontroller is an advanced electronic module designed for building IoT systems, well suited for Arduino and for ESP32. The board features 30 GPIO pins, offering broad flexibility in circuit design. Among the available pins are 3 UART ports, 3 SPI ports, and 2 I2C ports. The board integrates a CH9102X USB-UART converter, enabling convenient microcontroller programming with Arduino IDE. A key feature of the module is WiFi wireless programming support. This removes the need to physically connect the device to a computer, which is especially useful in embedded and hard-to-reach projects. Additional support for MicroPython is another advantage. Key technical features

* Built-in wireless WiFi and Bluetooth BLE 4.2

* High-performance ESP32 Dual Core Xtensa 32-bit LX6 processor clocked at up to 240 MHz

* Integrated CH9102X USB-UART converter for easy programming

* Rich set of communication interfaces: UART, SPI, I2C

* Wireless programming support over WiFi

Example applications

* Home automation and smart building systems

* Wireless environmental sensors and weather stations

* Internet of Things projects with WiFi and Bluetooth communication

* Hobby robotics and remote control systems

* Web servers and simple network applications embedded in devices

Benefits

* High performance thanks to the dual-core Xtensa 32-bit processor

* Easy programming in popular environments such as Arduino IDE or MicroPython

* Ability to update firmware remotely over WiFi

* Broad compatibility with existing libraries and projects for ESP32 and for Arduino

* Compact dimensions that simplify integration in small enclosures

Specifications

* Module based on: ESP32 Dual Core Xtensa 32-bit LX6

* Converter: USB-UART CH9102X

* Supply voltage: 5V

* CPU: 80 - 240 MHz

* Max I/O port voltage: 3.3V

* FLASH memory: 4 MB

* SRAM memory: 520 kB

* WiFi: 802.11 b/g/n HT40

* WiFi security: WEP, WPA/WPA2, PSK/Enterprise, AES / SHA2 / Elliptical Curve Cryptography / RSA-4096

* Bluetooth: BLE v 4.2

* 30 GPIO pins including: 3x UART, 3x SPI, 2x I2C

* ADC: 12-channel

* DAC: 2-channel

* Outputs: PWM

* Interface: SD card

* Dimensions: 51.5 mm x 28.3 mm x 15 mm