Esp8266 D1 Mini. Official

: Hosting simple HTML pages to control relays or lights remotely.

: Includes 5V , 3.3V , and GND pins. The 5V pin can power the board or external components up to 500mA. Special Pins : D0 is used to wake the board from deep sleep. Programming and Setup

The D1 Mini provides high performance for its size, significantly outperforming standard microcontrollers like the Arduino Uno in computational tasks. Specification ESP-8266EX Operating Voltage 3.3V (5V input supported via regulator) Clock Speed 80 MHz / 160 MHz Flash Memory Digital I/O Pins 11 (all support PWM, I2C, and interrupts, except D0) Analog Input 1 (Max 3.2V input) Dimensions 34.2mm x 25.6mm; ~3g Pinout and Connectivity Despite its size, the exposes essential communication interfaces: I2C : Primarily uses D1 (SCL) and D2 (SDA) . Serial : TX and RX pins for UART communication. ESP8266 D1 Mini.

: In Tools > Board > Boards Manager , search for "esp8266" and install the package. : Choose " LOLIN(WEMOS) D1 R2 & mini " from the boards list.

: Driving addressable LED strips (like WS2812B) for custom lighting. : Hosting simple HTML pages to control relays

: Go to File > Preferences and add the ESP8266 Board Manager URL. Install Package

: Using its small size for portable trackers (GPS) or wearable monitors. D1 Mini vs. NodeMCU While both use the ESP8266, they cater to different needs: Size : D1 Mini is much smaller and lighter (3g vs. ~50g). Breadboard Use Special Pins : D0 is used to wake the board from deep sleep

The ESP8266 D1 Mini Go to product viewer dialog for this item.