The Arduino Leonardo board, using the ATmega32u4 microcontroller, provides built-in USB communication so that it can act as a mouse or keyboard to a connected computer, in addition to a virtual (CDC) serial or COM port.

The Cressi Leonardo Dive Computer is an extremely durable and reliable scuba computer that is easy to use without sacrificing features. It offers all the features of a high priced scuba computer at an affordable price. There are plenty of wrist dive computers on the market, but the Cressi Leonardo s...

"Description: These headers are made to work with the Arduino Uno R3, Leonardo and new Arduino boards going forward. They are the perfect height for clearing the USB-B connector and great for stacking multiple shields. This kit includes 4 headers (1 8-pin, 1 10-pin and 2 6-pin), enough to connect a...

What are they for? Stacking. You put the headers on top of your Arduino and then you can add shields like our Protoshield or our Motor Shield or our Proto-Screwshield (pictured above) to get your Arduino doing all the cool things you want it to. Our set includes 1x 10-pin header, 2x 8-pin headers...

We have upgraded the shield kit to make the bestest, easiest way to drive DC and Stepper motors. This shield will make quick work of your next robotics project! We kept the ability to drive up to 4 DC motors or 2 stepper motors, but added many improvements: Lots of other little improvements such as...

#1 NEW YORK TIMES, WALL STREET JOURNAL, AND BOSTON GLOBE BESTSELLER • NAMED ONE OF THE TEN BEST BOOKS OF THE YEAR BY THE NEW YORK TIMES BOOK REVIEW • ONE OF PRESIDENT BARACK OBAMA’S FAVORITE BOOKS OF THE YEAR • BILL GATES’S HOLIDAY READING LIST • FINALIST FOR THE NATIONAL BOOK CRITICS CIRCLE’S AWARD...

Quentin Tarantino’s Once Upon a Time... in Hollywood visits 1969 Los Angeles, where everything is changing, as TV star Rick Dalton (Leonardo DiCaprio) and his longtime stunt double Cliff Booth (Brad Pitt) make their way around an industry they hardly recognize anymore. The ninth film from the writer...

With over 70 years of experience in the School and Office Supply markets, Charles Leonard Inc. is not just one of those online “Pop-Up” shops that are here today and gone tomorrow! With Charles Leonard products, rest assured that our products provide the quality and value you expect. With this all i...

The Big Bang Theory: The Complete Eleventh Season (BD)Leonard and Sheldon are brilliant physicists – geniuses in the laboratory but socially challenged everywhere else. Insert beautiful, street-smart neighbor Penny, who endeavors to teach them a thing or two about the “real” world. Despite their on-...

It took four years for The Lumineers to follow up their platinum-plus, multi-Grammy-nominated, self-titled debut – which spent 46 weeks on the Billboard 200 and peaked at #2 -- but Cleopatra is well worth the wait. After exploding onto the scene with their monster single, “Ho Hey” (which spent a sta...

The all-new Third Generation iLok holds over 1500 licenses in a strong metal case that works with all iLok-enabled software and features a sleek new design. This new edition is half the size, twice as fast, and holds three times the amount of licenses as the 2nd Generation of iLok. It is also fully...

(Guitar Educational). Teach Yourself to Play Guitar has been created specifically for the student with no music-reading background. With lesson examples presented in today's most popular tab format, which also incorporates simple beat notation for accurate rhythm execution, Teach Yourself to Play Gu...