Arduino uno User Manual

Make sure that the baud rate you’ve set in your call to Serial.begin matches the
baud rate in the serial monitor.
Exercises
• Add new commands to the sample program. The command 3 could make
the LED blink for a while.
• Try to make the commands more readable; that is, instead of 1, use the
command “on”, and instead of 2, use “off”.
If you have problems solving these exercises, read Chapter 4, Building a Morse
Code Generator Library, on page 61.
Chapter 2. Creating Bigger Projects with the Arduino • 36
report erratum • discuss
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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