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.
Arduino Technical Specifications
🛰️ 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
Arduino Pin Mappings
Below you can find the Arduino pinout. This development board provides digital IO pins, out of which can be used as external interrupt pins and as analog input pins .
| Pin | Analog | Touch | PWM | Other |
|---|---|---|---|---|
| 1 | LED_BUILTIN | |||
| PIN_WIRE_SDA | SDA | |||
| PIN_WIRE_SCL | SCL |
Analog Analog input pins
Touch Touch pins
PWM Pulse-Width Modulation
RX / TX Receive/Transmit
LED_BUILTIN Built-in LED
Function Other functions
Default Tools for Arduino
| Uploader tool | esptool |
| Flash mode | qio |
| Maximum data size | 80 Kb (81920 B) |
The Arduino development board by default uses esptool uploader tool, network uploader tool for Over-the-air (OTA) uploads and bootloader tool. The bootloader starts at address "". Flash mode and boot mode for Arduino development board by default is qio and respectively.
