The Wemos D1 Mini V4 is a compact ESP8266-based WiFi development board featuring a USB Type-C port, CH340C USB-to-UART interface, and 4MB (32Mbit) flash memory. With 11 digital I/O pins, 1 analog input, and support for Arduino and MicroPython, it is an excellent choice for IoT, automation, sensor and smart-home projects.
Combines a powerful ESP8266 Wi-Fi microcontroller with a crisp 0.96-inch monochrome white OLED display (SSD1306) in a clean, all-in-one integrated board. Perfect for compact IoT sensors, live data dashboards, and smart home monitoring nodes.
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