Arduino Pro Mini 3.3V 8MHz ATmega328P

  • Operating Voltage:3 V
  • Clock Speed: 8 MHz (crystal oscillator)
  • Input Voltage (recommended):35 V – 12 V (via RAW pin)
  • Input Voltage (limit):35 V – 12 V max
  • Logic Level:3 V
  • DC Current per I/O Pin: 20 mA (max)
  • DC Current for 3.3 V Pin: 50 mA (max)
Description
  • Powered by ATmega328P:
    Operates at an 8 MHz clock speed, providing reliable performance for low-power applications.
  • 3.3V Operating Voltage:
    Ideal for projects requiring lower voltage operation, enabling reduced power consumption compared to standard 5V Arduino boards.
  • Ample Memory Resources:
    Equipped with 32 KB Flash memory for program storage (with 2 KB used by the bootloader), 2 KB SRAM for runtime variables, and 1 KB EEPROM for non-volatile data storage.
  • Compact Form Factor:
    Measuring approximately 18 mm × 33 mm, the board’s small size makes it perfect for compact designs, wearable electronics, IoT devices, and other space-constrained applications.
  • Arduino IDE Compatibility:
    Fully compatible with the Arduino Integrated Development Environment (IDE), allowing effortless programming and access to a vast collection of Arduino libraries for rapid prototyping and development.
  • Flexible Power Options:
    Can be powered via an external 3.3V regulated supply or through the RAW pin (accepting 3.35V–12V input). This flexibility makes it suitable for a wide range of embedded and battery-based systems.
  • Versatile I/O Interface:
    Provides 14 digital input/output pins (including 6 PWM outputs) and 8 analog input pins (with 10-bit ADC resolution), enabling easy connection to sensors, actuators, and other external components.
  • Multiple Communication Protocols:
    Supports UART, SPI, and I²C (TWI) communication interfaces, facilitating integration with serial devices, displays, and communication modules.
  • Onboard Status Indicators:
    Includes LED indicators for Power (PWR), Transmit (TX), and Receive (RX) signals, helping with monitoring, debugging, and development.
  • Simple Programming Interface:
    Utilizes a standard USB-to-Serial adapter (such as FTDI, CH340, or CP2102) for uploading code via the UART interface (RX/TX pins), ensuring a straightforward and reliable programming process.

PACKAGE INCLUDES:

  • 1 x Arduino Pro Mini 328 – 3.3V/8 MHz
Additional information
Weight20 g
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Applications
  • Battery-Powered Projects
  • Wireless Sensor Nodes
  • Wearable Electronics
  • Remote Monitoring Systems
  • Data Logging
  • Automation and Control
  • Educational Projects
  • Prototyping
  • Low Power IoT Devices
  • Embedded Systems
TECHNICAL SPECIFICATIONS
Microcontroller ATmega328P
Clock Speed 8 MHz
Input Voltage (VDC) 3.3V up to 12V
Ana log I/O Pins 8
Max Output Current (mA) 150mA
Digital I/O Pins 14
Shipping Weight 2 gms
Datasheet

promini 3.3v 8mhz