Make: 65 — LittleBits Goes a Long Way

In this issue of Make:, go from zero to maker and beyond with expert tips for taking your robotics, cosplay, and crafting interests to the next level. Then in our cover story, littleBits creator Ayah Bdeir talks about the origins of the iconic snap-and-play electronic blocks, plus teaming up with Star Wars and Marvel, and where the company is headed next. And learn how Oakland, California’s, Black Girls Code is bringing expertise — and a diverse voice — to technology’s future.

Plus, 16 projects including:

  • Hack cheap distance sensors to make tiny objects float in mid-air
  • Add a digital eyeball to a creepy charm you can wear for Halloween — or all year
  • Roast coffee beans automatically with spinner, stirrer, and heat gun rig
  • Assemble a cute robot arm to draw the current time in luminescent numerals
  • And more!

On the Cover: LittleBits founder and CEO Ayah Bdeir jams on a customized Synth Kit, one of many different snap-together electronics kits offered by the company.

Table of Contents

Columns

Welcome

Why your local mall should have a makerspace. Page 04

Reader Input

Notes from readers like you. Page 05

Made on Earth

Backyard builds from around the globe.Page 06

Features

littleBits Goes Big

Ayah Bdeir’s desire for accessible electronics helped bring her blocks into the mainstream.Page 12

Newton’s 3D Printer

How two teachers are using physical models to make calculus more accessible. Page 18

Special Section: Maker School

Maker School

In the classroom or in the workshop, there’s value to learning by doing.Page 20

Crash Course

Experts chime in on building your maker skills and boosting your career opportunities.Page 22

Programmed for Success

Black Girls Code is bringing expertise — and a diverse voice — to technology’s future.Page 34

Head of the Class

Irvington High School’s Maker Space equips students for their next steps in life.Page 36

The Bright Stuff

Five tips to help gifted kids excel in the classroom.Page 38

Projects

Dog Bowl Coffee Roaster

Achieve a perfectly even roast automatically with a built-in spinner, stirrer, and heat gun.Page 40

Eye of Newt

Add a digital eyeball to a creepy charm you can wear for Halloween — or all year. Page 46

Easy Ultrasonic Levitation

Hack cheap distance sensors to make tiny objects float in mid-air.Page 50

Hot Mods

Cut, shape, and customize Hot Wheels cars to suit your style — and win prizes!Page 54

1+2+3 Follow Me Eyes

Make these simple eyes that seem to follow you wherever you stand.Page 57

Racing Robots

Inspired by board game RoboRally, navigate a zany obstacle course with actual bots.Page 58

Write on Time

Assemble a cute robot arm to draw the current time in luminescent numerals.Page 60

Flashy Fashion

Light up the room with these lightweight LED earrings.Page 66

1+2+3 Inner Tube Earrings

Upcycle bike tubes into elegant adornments.Page 67

Electronics Fun & Fundamentals: Audible Aqua

Use an op-amp to build a water purity tester you can hear.Page 68

Documenting DNA

Capture your bio-experiments with a Raspberry Pi gel imager.Page 70

Skill Builder

Know Your Fire Extinguisher

Different extinguishers target different kinds of fires. Make sure you know the right one to use.Page 74

Toolbox

Toolbox

Gear up with reviews of the latest tools and kits for makers.Page 76

Show & Tell

Show & Tell

Check out our favorites from the latest Mission to Make: contest!Page 80