ESP8266 D1 Mini V2 ESP-12F WiFi Development Board

ESP8266 D1 Mini V2 ESP-12F WiFi Development Board

The ESP8266 D1 Mini V2 is one of the most popular compact WiFi development boards in the maker community. Built around the ESP-12F module with 4MB flash, it offers 11 digital I/O pins, 1 analog input, and Micro USB for programming and power — all in a tiny footprint compatible with the D1 Mini shield ecosystem. Program with Arduino IDE, MicroPython, or NodeMCU Lua.

Key Specifications

• MCU: ESP8266EX (ESP-12F) | Clock: 80MHz (up to 160MHz)
• Flash: 4MB | WiFi: 802.11 b/g/n
• Digital I/O: 11 pins | Analog in: 1 (10-bit, 0–3.2V)
• Interfaces: UART / SPI / I2C / I2S | USB: Micro USB (CH340)
• Operating voltage: 3.3V | Input: 5V via USB | On-board: 3.3V regulator
• IDE: Arduino IDE / MicroPython / NodeMCU Lua
• Compliance: RoHS compliant

Why Choose This?

• ✅ D1 Mini shield ecosystem — stackable with OLED, relay, motor driver and sensor shields
• ✅ 4MB flash — ample space for OTA updates and file system storage
• ✅ Arduino IDE compatible — use familiar Arduino libraries and sketches
• ✅ Compact form factor — ideal for space-constrained IoT installations

Typical Applications

• Home automation and smart home sensor nodes
• WiFi-connected data loggers and monitors
• MQTT IoT clients and HTTP web servers
• Wearable and compact WiFi projects

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