Mikrokontroler ESP32-S2 mini S2FN4R2 WiFi 4MB ESP32 USB-C Wemos do Arduino

Product Description

The compact and energy-efficient ESP32-S2 mini FN4R2 microcontroller with built-in Wi-Fi support. This module is the successor to the popular Wemos D1 mini and remains compatible with many of its dedicated expansion modules. With a high clock speed of 240 MHz and 27 digital I/O pins, it is well-suited for advanced embedded systems. Intended for: ESP32, Arduino.

The board offers hardware support for multiple communication interfaces, including I2C, SPI, I2S, PWM, USB OTG, DVP, and support for LCD displays. It is equipped with a modern USB-C connector with native USB support on the microcontroller side, enabling direct programming from a computer. The module is fully compatible with the MicroPython and Arduino IDE environments.

Key Technical Features

• Supply voltage: 3.3V
• Logic levels: 3.3V
• Microcontroller: ESP32-S2FN4R2
• Clock frequency: 240 MHz
• FLASH memory: 4 MB
• PSRAM: 2 MB
• Number of digital inputs/outputs: 27
• Supported interfaces: ADC, DAC, I2C, SPI, UART, USB OTG
• Power and programming connector: USB-C
• Module dimensions: 34 mm x 25 mm x 4 mm
• Weight: 2.4 g

Benefits

• High computing performance thanks to a 240 MHz processor.
• Ample FLASH memory (4 MB) and PSRAM (2 MB) to facilitate the execution of complex programs.
• Direct connection to a computer via a modern USB-C port.
• Wide software compatibility—supports MicroPython, Arduino, CircuitPython, and ESP-IDF.
• Easy migration from Wemos D1 mini boards thanks to compatibility with existing shields.

Example Applications

• Home automation and smart building systems.
• Compact Internet of Things (IoT) devices requiring Wi-Fi connectivity.
• Wireless environmental sensors and weather stations.
• LED lighting and visual system controllers.
• Prototyping electronic devices using MicroPython or the Arduino IDE.
• Communication modules for amateur and professional robotics.

Programming Instructions (DFU Mode)

To put the ESP32-S2 mini module into DFU programming mode, follow these steps:

1. Press and hold button 0 on the board.
2. Briefly press the RST button.
3. Release button 0.
4. The operating system should detect a new USB device.