Arduino Pro Mini 328 – 5V/16MHz Board COM55

Description

The Arduino Pro Mini is a microcontroller board based on the ATmega328P.

It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analog inputs, an on-board resonator, a reset button, and holes for mounting pin headers. A six pin header can be connected to an FTDI cable or Sparkfun breakout board to provide USB power and communication to the board.

The Arduino Pro Mini is intended for semi-permanent installation in objects or exhibitions. The board comes without pre-mounted headers, allowing the use of various types of connectors or direct soldering of wires. The pin layout is compatible with the Arduino Mini.

There are two version of the Pro Mini. One runs at 3.3V and 8 MHz, the other at 5V and 16 MHz.

Specifications

MicrocontrollerATmega328P *Board Power Supply3.35 -12 V (3.3V model) or 5 – 12 V (5V model)Circuit Operating Voltage3.3V or 5V (depending on model)Digital I/O Pins14PWM Pins6UART1SPI1I2C1Analog Input Pins6External Interrupts2DC Current per I/O Pin40 mAFlash Memory32KB of which 2 KB used by bootloader *SRAM2 KB *EEPROM1 KB *Clock Speed8 MHz (3.3V versions) or 16 MHz (5V versions)

Getting Started

Connections

FTDI: Pro Mini
GND: BLK
CTS: GND
VCC: VCC
TX: RX
RX: TX
DTR: GRN

Use your Arduino Pro Mini on the Arduino Desktop IDE

If you want to program your Arduino Pro Mini while offline you need to install the Arduino Desktop IDE.

Required Components

FTDI Adapter Converter FT232RL
Arduino Pro Mini
Jumper wires

The Pro Min board comes without built-in USB circuitry, so an off-board USB-to-TTL serial converter must be used to upload sketches. If using the FTDI cable on Windows, you’ll need to make one configuration change to enable the auto-reset. With the board connected, open the Device Manager (in Control Panels > System > Hardware), and find the USB Serial Port under Ports. Right-click and select properties, then go to Port Settings > Advanced and check Set RTS on Close under Miscellaneous Options.

Open your first sketch

Open the LED blink example sketch: File > Examples >01.Basics > Blink.

Select your board type (Arduino Pro or Pro Mini) and port

Upload and Run your first Sketch

To upload the sketch to the Arduino Pro Mini, you need to press the upload button in the Arduino environment.

Click the Upload button in the upper left to load and run the sketch on your board:

Wait a few seconds – you should see the RX and TX LEDs on the board flashing. If the upload is successful, the message “Done uploading.” will appear in the status bar.

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