ESP32 S2 Mini D1 Mini Board Based ESP8266 CH340 ESP32-S2FN4R2 4MB FLASH 2MB PSRAM MicroPython For Arduino Development Board

Description

ESP32 S2 Mini D1 Mini Board – The Ultimate Dual‑Chip Development Platform

Key Features

• Dual‑core ESP32‑S2FN4R2 with 4 MB flash and 2 MB PSRAM for powerful, low‑latency performance
• Integrated ESP8266 module for legacy Wi‑Fi compatibility and flexible firmware options
• USB‑to‑serial CH340 chip for effortless programming and debugging via a standard USB port
• MicroPython and Arduino IDE support – choose the framework that fits your project
• Compact D1‑Mini form factor: 32 mm × 25 mm, perfect for IoT prototypes, wearables, and embedded systems
• Rich pin‑out: 34 GPIOs, 12‑bit ADC, I2C, SPI, UART, PWM, and more – all ready for sensors, actuators, and displays
• Built‑in 5V regulator and USB power input – power your board from a USB cable or external supply
• Robust design: PCB‑level components, heat‑sinked power pins, and a stable 3.3 V regulator

Why Choose This Board?

Whether you’re a hobbyist building a smart home hub or a professional developing commercial IoT solutions, this ESP32 S2 Mini D1 Mini Board delivers the flexibility and performance you need. The combination of a high‑speed ESP32 core with the familiar ESP8266 module gives you the best of both worlds: modern features and backward compatibility. The CH340 USB interface ensures quick firmware uploads, while support for both MicroPython and Arduino IDE lets you start coding in minutes.

Ideal Applications

• Home automation controllers and sensors
• Wearable devices and fitness trackers
• Robotics and drone control systems
• Industrial monitoring and edge computing
• Educational projects and rapid prototyping

Specifications

• Processor: ESP32‑S2FN4R2 (dual‑core, 240 MHz)
• Flash: 4 MB (SPI Flash)
• PSRAM: 2 MB (LPDDR)
• Wi‑Fi: 802.11 b/g/n, dual‑band 2.4 GHz
• Bluetooth: None (focus on Wi‑Fi performance)
• USB: 2.0 Full‑Speed (CH340)
• Power: 5 V input, 3.3 V regulator, 500 mA current limit
• Dimensions: 32 mm × 25 mm × 3.5 mm
• Weight: 15 g

Upgrade your IoT projects with the ESP32 S2 Mini D1 Mini Board – the compact, versatile, and powerful solution that brings both cutting‑edge ESP32 performance and the beloved ESP8266 ecosystem into one seamless package.