Arduino uno User Manual

For the soldering tutorial, you need the following things:
• A 25W–30W soldering iron with a tip (preferably 1/16-inch) and a soldering
stand.
• Standard 60/40 solder (rosin-core) spool for electronics work. It should
have a 0.031-inch diameter.
• A sponge.
You can find these things in every electronics store, and many have soldering
kits for beginners that contain some useful additional tools. Take a look at
Adafruit (product ID 136) or Maker Shed (search for Soldering Starter Kit).
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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