Devkit Specifications
Feather HUZZAH ESP8266
Adafruit Industries
At the heart of Feather HUZZAH is an ESP8266 WiFi microcontroller clocked at 80 MHz and at 3.3V logic, which contains a Tensilica chip core as well as a full Wi-Fi stack. You can progam the MCU with the Arduino IDE. The board contains a USB Serial chip that can upload code at a 921600 baud rate. It also has auto-reset.
| Item | Specification |
|---|---|
| Chip | Espressif Systems ESP8266 Wi-Fi Microcontroller |
| Compute | Tensilica Xtensa Diamond Standard L106 32-bit RISC microprocessor core at 80 MHz |
| Memory | • 32 KiB instruction RAM (ESP8266) • 32 KiB instruction cache RAM (ESP8266) • 80 KiB user-data RAM (ESP8266) • 16 KiB ETS system-data RAM (ESP8266) • External QSPI flash: up to 16 MiB is supported (512 KiB to 4 MiB typically included on ESP8266) |
| I/O and Peripherals | • GPIO (x9) • I2C • SPI • Analog Input (x1) • USB • LED |
| Wireless | IEEE 802.11 b/g/n Wi-Fi |
| Software | • Arduino Software IDE • NodeMCU Lua Interpreter |