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Adafruit Feather 328P ATmega328P Dev Board w/ LiPo

₹1,166.00 (Inclusive of all taxes)
Out of Stock

The Adafruit Feather 328P is a compact development board featuring the classic ATmega328P microcontroller, running at 3.3V and 8MHz. Designed for portable projects, it includes a built-in LiPo battery charger and USB-to-Serial converter for easy programming and debugging, ensuring compatibility with standard Arduino code.

Features

  • Features ATmega328P microcontroller at 8MHz with 3.3V logic.
  • Integrated LiPo battery charging via USB for portable applications.
  • Onboard CP2104 USB-to-Serial converter for direct programming and debugging.
  • Offers 19 GPIO pins, including hardware I2C and SPI support.
  • Compact Feather form factor ideal for lightweight, power-efficient designs.

Out of stock

Description

The Adafruit Feather 328P brings the reliability of the ATmega328P microcontroller to Adafruit’s lightweight Feather form factor, operating at 3.3V and 8 MHz. This setup is familiar to users of Arduino Pro Mini and similar boards, providing 32KB of flash memory and 2KB of RAM, ideal for classic Arduino-compatible applications. An onboard SiLabs CP2104 USB-to-Serial converter simplifies programming and debugging through a single micro USB connection.

Designed with portability in mind, the Feather 328P integrates a connector for 3.7V Lithium polymer batteries and a built-in battery charging circuit. It can run directly from the micro USB power or seamlessly switch to battery power for untethered operation, with USB automatically handling recharging when connected. An analog pin is dedicated to monitoring battery voltage, allowing for intelligent power management.

Beyond its core functionality, the Feather 328P offers a small prototyping area for direct attachment of components, potentially eliminating the need for a breadboard in simple projects. It provides a generous 19 GPIO pins, including hardware I2C and SPI support, 6 PWM pins, and 8 analog inputs, making it versatile for a wide range of embedded sensing and control applications.

Key Features

  • Lightweight Feather form factor (4.8 grams).
  • ATmega328P microcontroller @ 8MHz with 3.3V logic/power.
  • 3.3V regulator with 500mA peak current output.
  • Integrated CP2104 USB-to-Serial converter for USB bootloader and serial port debugging.
  • 19 general-purpose I/O pins plus 2 analog-in-only pins.
  • Hardware I2C and hardware SPI communication support.
  • 6 PWM pins for motor control or dimming applications.
  • 8 analog input channels (two are shared with I2C).
  • Built-in 100mA LiPo charger with charging status indicator LED.
  • Onboard Pin #13 red LED for general purpose blinking.
  • Two dedicated LEDs for serial data RX & TX activity.
  • Power/enable pin and integrated reset button.
  • Four mounting holes for secure integration into projects.

Technical Specifications

MicrocontrollerATmega328P
Processor Clock Speed8MHz
Logic/Operating Voltage3.3V
Flash Memory32KB
RAM2KB
Regulator Peak Current500mA
USB-to-Serial ConverterSiLabs CP2104
Battery Charger100mA LiPo
Length51mm
Width23mm
Weight4.8g

Frequently Asked Questions

What microcontroller powers the Adafruit Feather 328P?

The board is based on the ATmega328P microcontroller, running at 8MHz with 3.3V logic. This chip offers 32KB of flash memory and 2KB of RAM, making it highly compatible with existing Arduino libraries and codebases for various embedded applications.

How is power managed on the Feather 328P for portable projects?

It features a built-in 100mA LiPo battery charger and a connector for 3.7V Lithium polymer batteries. The board can operate solely on USB power or seamlessly switch to battery power, with USB automatically recharging the battery when available.

What are the primary communication interfaces available on this board?

The Feather 328P includes hardware support for I2C and SPI communication protocols, crucial for interfacing with a wide range of sensors and peripherals. While hardware UART is not available, SoftwareSerial can be used for serial communication with other devices.

Which development environments are compatible with the Feather 328P?

Since it uses the ATmega328P, the board is fully compatible with the Arduino IDE. Users can leverage existing Arduino sketches, libraries, and the vast community support. The onboard CP2104 USB-to-Serial converter simplifies programming without external programmers.

Package Includes

  • 1 x Adafruit Feather 328P ATmega328P 3.3V 8MHz Arduino Compatible Development Board with LiPo Battery Charging

Additional Information

Weight 0.0048 kg
Dimensions 5.1 × 2.3 cm