The Arduino Pro Mini is a great microcontroller board based on the ATmega328.┬áThe board comes without built-in USB circuitry, so an off-board USB-to-TTL serial convertor must be used to upload sketches. This can be a FTDI TTL-232R USB – TTL Level Serial Converter Cable for the 5V Arduino Mini Pro), or a FTDI TTL-232R-3V3 USB – TTL Level Serial Converter Cable.

In this post we will see how to upload sketches to the Arduino Pro Mini using an Arduino Uno.

Step 1:

Remove the ATmega328 microcontroller from the Arduino Uno Board.

IMG_20150531_115855

Step 2:

We’re going to use the following pins to connect to the Arduino Uno.

IMG_20150531_115712

Pro Mini -> Arduino

DTR to Reset

TXD to TX

RXD to RX

VCC to 5V

GND to GND

IMG_20150531_115612

Step 3:

Make the following changes in the Arduino IDE

Screen Shot 2015-05-31 at 11.42.25 am

Screen Shot 2015-05-31 at 11.42.40 am

Screen Shot 2015-05-31 at 11.42.50 am

 

Step 4:

Compile and upload your sketches

Screen Shot 2015-05-31 at 11.53.05 am


2 Comments

https://robomart.com/arduino-uno · July 22, 2015 at 11:56 am

Hello Guys Nice your blog post. Its really good thanks for sharing this type of information..

amirhossein · March 17, 2016 at 10:29 pm

Hi
I can’t upload my sketch
help me plz!
E :
avrdude: ser_open(): can’t set com-state for “\.COM7”

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