: Driving addressable LED strips (like WS2812B) for custom lighting.
(originally by ) is a compact, Wi-Fi-enabled microcontroller based on the ESP8266EX chip. It is widely favored for Internet of Things (IoT) projects due to its tiny footprint, affordability (often under $5), and extensive ecosystem of stackable "shields". Technical Specifications ESP8266 D1 Mini.
The ESP8266 D1 Mini Go to product viewer dialog for this item. : Driving addressable LED strips (like WS2812B) for
: Go to File > Preferences and add the ESP8266 Board Manager URL. Install Package Technical Specifications The ESP8266 D1 Mini Go to
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.
: 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
: Monitoring temperature, humidity (e.g., DHT22), or air quality and sending data to platforms like Home Assistant .