Cool Tools is giving away a copy of the book, Getting Started with Arduino* to one person who signs up for the Cool Tools Newsletter between now and Thursday, May 23 at 10pm PT. (Current newsletter subscribers are automatically included in the running.)

From the publisher’s description:

Arduino is the open-source electronics prototyping platform that’s taken the design and hobbyist world by storm. This thorough introduction, updated for Arduino 1.0, gives you lots of ideas for projects and helps you work with them right away. From getting organized to putting the final touches on your prototype, all the information you need is here!

Inside, you’ll learn about:

Interaction design and physical computing
The Arduino hardware and software development environment
Basics of electricity and electronics
Prototyping on a solderless breadboard
Drawing a schematic diagram
Getting started with Arduino is a snap. To use the introductory examples in this guide, all you need an Arduino Uno or earlier model, along with USB A-B cable and an LED. The easy-to-use Arduino development environment is free to download.

Join hundreds of thousands of hobbyists who have discovered this incredible (and educational) platform. Written by the co-founder of the Arduino project, Getting Started with Arduino gets you in on all the fun!

We’ll pick one newsletter subscriber at random to receive the giveaway. We hold giveaways every Friday, so if you aren’t selected this time, try again next week.

(* I am an editor at Make, a magazine that is owned by the company that published Getting Started with Arduino).

Cool Tools is giving away a one-year subscription to TripIt Pro ($49 value) to one person who signs up for the Cool Tools Newsletter between now and Thursday, May 16 at 10pm PT. (Current newsletter subscribers are automatically included in the running.)

Here’s my TripIt review on Cool Tools.

We’ll pick one newsletter subscriber at random to receive the giveaway. We hold giveaways every Friday, so if you aren’t selected this time, try again next week.

Cool Tools is giving away a Pacsafe TravelSafe 100 to one person who writes and submits a Cool Tool review between now and Thursday, May 2 at 10pm PT.

From the manufacturer’s description:

The Travelsafe 100 portable safe folds small and is easy to take with you whenever you need to lock and leave smaller valuables such as a passport, cash, a point-and-shoot camera or an iPod. The Travelsafe 100 is especially handy for securing your valuables in your hotel room, suitcase, vehicle, or even at home. The Travelsafe 100 won the prestigious ILM-award in the category “Best Intelligence” at Summer 2009 International Luggage Show in Offenbach, Germany. The jury appreciated the winning performance of the Pacsafe Travelsafe 100 for innovative anti-theft products.

We’ll pick our favorite review (about any tool you love) and notify the author. We hold giveaways every Friday, so if your review isn’t selected this time, try again. (Search Cool Tools to make sure your review is for a tool we haven’t previously reviewed.)

Please use our Submit a Tool form to send us your review.

– Mark Frauenfelder

Cool Tools is giving away a copy of the book, Housebuilding for Children, to one person who writes and submits a Cool Tool review between now and Thursday, April 4 at 10pm PT.

From the book’s description:

“A favorite of kids and parents since the 1970s, Housebuilding for Children offers step-by-step illustrated instructions for building six different houses with a description of the necessary tools and equipment. Youngsters will learn the joy of buying and using their own tools, setting up their own workshop, and building any one of seven wonderful houses. More than 100 black-and-white photographs and 150 illustrations and diagrams teach children and parents how to set up a workshop, get started using basic carpentry tools, and finally building their very own wood-frame house, factory-built house, glass house, post-and-beam house, junkyard house, tree house, and now an A-frame house.”

We’ll pick our favorite review (about any tool you love) and notify the author. We hold giveaways every Friday, so if your review isn’t selected this time, try again. (Search Cool Tools to make sure your review is for a tool we haven’t previously reviewed.)

Please use our Submit a Tool form to send us your review.

Cool Tools is giving away an Optrix iPhone Adventure Suit (from Photojojo) to one person who writes and submits a Cool Tool review between now and Thursday, March 28 at 10pm PT. The the Optrix iPhone Adventure Suit is a “tough protective case for your iPhone 5 that turns it into a go-anywhere action cam.”

We’ll pick our favorite review (about any tool you love) and notify the author. We hold giveaways every Friday, so if your review isn’t selected this time, try again. (Search Cool Tools to make sure your review is for a tool we haven’t previously reviewed.)

Please use our Submit a Tool form to send us your review.

UPDATE: Congratulations to our giveaway recipient, Aryeh Abramovitz!

Cool Tools is giving away a supply of Sugru to one person who writes and submits a Cool Tool review between now and Thursday, March 21 at 10pm PT. Sugru is a moldable rubber material that air cures and can be used to modify or repair tools, appliances, and other stuff around the house, workshop, or office. Philip Lipton reviewed Sugru for Cool Tools in 2010.

We’ll pick our favorite review (about a tool you love) and notify the author. We hold giveaways every Friday, so if your review isn’t selected this time, try again.

UPDATE: Congrats to Ellen Grove! She is the recipient of the giveaway.

Please use our Submit a Tool form to send us your review.