Arduino is a development board based on the ESP8266 microcontroller using XTENSA LX106 architecture.
This board features a maximum CPU frequency of 160 MHz and 4 MB flash memory.
About Arduino
Arduino-compatible environment for ESP8266 - enables easy Wi-Fi project development in Arduino IDE.
Technical Specifications
Complete technical specification details for Arduino
Connectivity
WiFi 802.11 b/g/n (2.4 GHz)
Bluetooth -
BLE -
Microcontroller
Model esp8266
Clock Speed 160 MHz
Flash Size 4 MB
Architecture Xtensa LX106
Arduino Pinout Diagram
Complete pin reference for Arduino
Pin Mappings
Complete pinout and GPIO mapping for Arduino
Digital I/O Pins
Interrupt Pins
Analog Inputs
| Pin | Analog | Touch | PWM | Other |
|---|---|---|---|---|
| 1 | LED_BUILTIN | |||
| PIN_WIRE_SDA | SDA | |||
| PIN_WIRE_SCL | SCL |
Legend
A0 Analog input
T0 Touch sensor
PWM PWM capable
RX/TX Serial pins
LED Built-in LED
# Pin number
Default Tools & Configuration
Build and upload settings for Arduino
| Setting | Value |
|---|---|
| Uploader tool | esptool |
| Flash mode | qio |
| Maximum data size | 80 KB (81920 bytes) |
Configuration Summary
The Arduino uses esptool for uploads , and bootloader at .
Flash mode: qio | Boot mode:
