Arduino uno Application Note


©16March2017CO2Meter,Inc.AllRightsReserved 3

CreatinganArduinoProject
ThisArduinoprojectusestheSoftware.SerialdriverwhichisbuiltintotheArduinosoftware.This
statement
SoftwareSerial T66_Serial(12,13)
Setsupavirtualserialportusingpin12forRxandpin13forTxonbothUNOandMEGAboards.

Demofiledownloadinstructions
1.ClickonthefollowinglinkorcopythisURLtodownloadtheexamplecode:
http://co2meters.com/Documentation/AppNotes/AN157-T6613-Arduino-uart.zip
2.Savetheexamplecodetoyourharddrive.Insidethe.zipfile,navigatetotheAN157‐Arduno‐T6613‐
uart.inofileintheexamplefolder.Extractitfromthe.zipfile.
3.Double‐clicktheK30_basic.inofiletoopenitintheArduinoGUI.Itwillstartandaskthefollowing:

4.ClickonOK.ObservetheArduinoprojectcodeisdisplayed.

5.ClickonSketch>>Verify/Compile.Theprojectshouldcompilewithouterrors.

6.VerifythatyourArduinoboardisrecognizedcorrectly:
a.ClickonTools.SetBoardtoArduinoUnoorMEGA.
b.ConfirmthatProcessormatchesyourArduino:UNO,MEGAorMEGA2560.

7.ClickonUpload.Whendoneuploading,yourprojectisnowrunningintheArduinoboard.

8.Toviewprogramoperation,clickonTools>>SerialMonitor.

9.Observethefollowing:

Arduino uno Specifications

General

Form factor	Arduino
Certification	RoHS, FC, CE
Processor model	-
Processor frequency	- MHz
Microcontroller model	ATmega328
Microcontroller frequency	16 MHz
DC input voltage	7-12 V
Operating voltage	5 V
DC current per I/O pin	40 mA
Flash memory	0.032 MB
Maximum internal memory	- GB
SRAM (Static Random Access Memory)	2 KB
EEPROM (Electrically Erasable Programmable Read-Only Memory)	1 KB
Wi-Fi	No
Number of analog I/O pins	6
Number of digital I/O pins	14

Weight and Dimensions

Board dimensions	53.4 x 68.6 mm