Arduino Development Board Pinout and Technical Specifications
Code name: ESP8266_ARDUINO
Arduino development board is based on esp8266 microcontroller and uses Tensilica Xtensa LX106 architecture. This development board has a maximum CPU frequency of 160 MHz and a maximum data upload size of 81.92 Kb.
Features
- digital IO pins
- external interrupt pins
- analog input pins
Connectivity
- WiFi: 802.11 b/g/n (2.4 GHz)
- Bluetooth: No
- BLE: NO
Technical specs
| Clock Speed | 160 MHz |
| Upload Maximum Data size | 81920 |
| Microcontroller | esp8266 |
| Architecture | Tensilica Xtensa LX106 |
Arduino Pins Mapping Arduino IDE
Below you can find the Arduino pinout. This development board provides digital IO pins, out of which can be used as an 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
Function - Function pins
RX / TX - Receive (RX) / Transmit (TX)
LED_BUILTIN - Built-in LED
PWM - Pulse-Width Modulation
Default Tools
| Bootloader tool | |
| Uploader tool | esptool |
| Network uploader tool | |
| Bootloader address | |
| Flash mode | qio |
| Boot mode | |
| PSRAM type | |
| Maximum data size | 80 Kb (81920 B) |
The Arduino development board by default uses esptool uploader tool and bootloader tool. Flash mode for Arduino development board by default is qio. When using Arduino IDE, the maximum data size for variables is 80 Kb (81920 B).