D1 Mini WiFi Development Board
The D1 Mini WiFi Development Board is a mini powerhouse for wireless embedded applications. Based on the ESP8266 WiFi chip, this microcontroller offers full WiFi connectivity, rich I/O support, and compatibility with the Arduino IDE, making it one of the most beginner-friendly yet powerful options for IoT, smart home, and wireless sensor applications.
Despite its small size, the D1 Mini features 11 digital I/O pins, 1 analog input, PWM, I2C, and SPI interfaces. It supports OTA (Over-The-Air) firmware updates and integrates seamlessly with Arduino, ESPHome, Tasmota, MicroPython, and more. Powered through a standard Micro-USB connector, it is energy-efficient and ideal for battery-powered applications.
🔧 Key Features & Technical Specifications:
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Microcontroller: ESP8266EX
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Operating Voltage: 3.3V (logic level)
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Power Input: 5V via Micro-USB
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WiFi Support: 802.11 b/g/n (Built-in antenna)
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Flash Memory: 4MB
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Digital I/O Pins: 11 (all GPIO available)
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Analog Input: 1 (10-bit ADC)
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Communication: UART, SPI, I2C, PWM
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Programming: Arduino IDE, NodeMCU, Lua, MicroPython
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Dimensions: 34.2mm x 25.6mm
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Weight: Lightweight & portable
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OTA Support: Yes (Over-the-Air updates)
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USB to Serial Converter: CH340 chip
⚙️ Applications:
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IoT devices with cloud data transmission
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Smart home automation
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WiFi-enabled sensor monitoring
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Wireless relay controls
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DIY electronics and student learning kits
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Portable IoT prototypes and data loggers
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ESP8266-based smart gadgets
🔗 Related Products on ElectroWay:
Explore compatible ESP8266 modules and IoT accessories only at ElectroWay, your trusted electronics source in Johar Town, Lahore.
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We proudly serve hobbyists, students, and innovators across Pakistan with high-quality electronics and expert advice.
🎥 External Learning Link:
Watch a setup tutorial for D1 Mini WiFi Board:
https://www.youtube.com/watch?v=ObU6i2G2kzE
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