Esp8266 D1 Mini. Apr 2026

: NodeMCU fits standard breadboards more easily, whereas the D1 Mini is better for custom PCBs or 3D-printed enclosures. : The Go to product viewer dialog for this item.

is compatible with multiple environments, including the Arduino IDE , MicroPython , and . Steps for Arduino IDE setup: ESP8266 D1 Mini.

: 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 : NodeMCU fits standard breadboards more easily, whereas

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. Steps for Arduino IDE setup: : Using its