Reader Input
Thoughts, tips, and musings from readers like you.Page 05
Robots are a quintessential maker passion. Whether you are diving into a kit or building a bot from scratch, anyone can make a robot nowadays. Volume 55 shows you how to build an adorable, 3D-printed balancing bot, how to assemble a Strandbeest-style walker with Lego, and how to find the right robot kit for your needs with our handy overview of what is on the market today. Plus, learn programming by playing with robots, and get started with a shared operating system designed specifically for robotic projects.
More than 24 projects, including:
ON THE COVER: Two dancing Chip-E bots stretch before their big show
Thoughts, tips, and musings from readers like you.Page 05
Tracing our love for our electronic friends through the years.Page 06
Backyard builds from around the globe.Page 08
Chart the transoceanic journey of a solar-powered, autonomous boat.Page 14
Electronics manufacturer Eric Pan discusses the future of factories.Page 18
There’s never been a better time to start building your own robot.Page 20
On a kit quest? Let our guide lead the way.Page 22
Erica Tiberia designed her sample-returning NASA Centennial Challenge robot from the cheapest materials available.Page 28
How DJ Sures built up the EZ-Robot empire in just five years.Page 29
Get started with Robot Operating System and make your machines move calmly.Page 30
Learn to code with a variety of clever new robot sidekicks that won’t break the bank.Page 33
Construct a tiny, smooth-rolling, two-wheeled bot — and drive it by FPV camera.Page 34
Build an Arduino-powered, 3D-printed, bipedal, moon-walking bot.Page 40
This high-stepping walker bot defeats obstacles, and you can build it with Lego.Page 42
Spin up your favorite-color Lego pieces to sequence sound samples in endless combos.Page 44
This basic technique will propel you toward custom tool coverings, apparel, and more.Page 48
Discover the ins and outs of this essential electronics tool.Page 51
Wave a wand to magically cast spells on Ollivander’s lamp — using gesture recognition on a Raspberry Pi.Page 54
Build the PIX-E, the world’s funnest dedicated GIF camera!Page 60
Make a dazzling light-up purse that pairs with your phone to display text, animations, or tweets in real-time.Page 64
Build a cheap, effective DIY air conditioner based on engineer Willis Carrier’s 1902 evaporative-cooling original.Page 70
Give your stuffie a beating heart with a flashing LED and embroidery thread.Page 72
Fashion a stylish carrying sheath from a great old tie.Page 75
Build a random yes-no circuit you can secretly control with a hidden switch.Page 76
Modernize the retro sound with a 20W stereo amplifier and pulsing, color-changing lights.Page 80
Make creative bouquets by dyeing multi-colored blossoms.Page 84
Yank the string on this simple puppet and watch his arms and legs jump up.Page 85
Fun projects to spark your ideas for this year’s science fair.Page 86
Cordless angle grinder, pocket screwdriver set, Kano Raspberry Pi computer, and more.Page 88
With the right upgrades, this affordable kit can hold its own against pricier machines. Page 92
A collection of dazzling robotic contraptions.Page 96