How a restaurant revolutionised its ordering system using a Raspberry Pi 40 YOUR PROJECTS Contents raspberrypi.org/magpi raspberrypi.org/magpi 4 May 2017 5 May 2017 GOOGLE AIY PROJECT KIT Contents Issue 57 May 2017 raspberrypi.org/magpi COVER FEATURE 14 6 > NEWS 06 > TECHNICAL FAQ 62 > BOOK REVIEWS 80 > FINAL WORD 96 REGULARS > PIRATE RADIO KIT 74 > JUSTBOOM SMART REMOTE 76 > PAPIRUS ZERO 77 > IDE GROUP TEST 78 REVIEWS COMMUNITY > THIS MONTH IN PI 82 Now with four pages of community greatness! > COMMUNITY SPOTLIGHT 86 We talk to the Raspberry Pi Guy > RASPBERRY SHAKE INTERVIEW 88 Finding a brand new market through seismology > EVENTS 90 What Jams and Code Clubs can you go to this month? > LETTERS 92 We answer your letters on Raspberry Pi and the mag IN THE NEWS Get yourself ready to make your dream project THE BIG FEATURE 64 > PI 101 – MINECRAFT BASICS 44 Minecraft on the Raspberry Pi made easy > BUILD A LASER TRIPWIRE 46 Create an intruder alarm system using GPIO Zero > HACK A DASH BUTTON 48 Use an Amazon Dash button with a Raspberry Pi > ADD AN OFF SWITCH TO PI 50 Use a physical switch to shut down a Pi > MAKE A DIY DIGITAL THEATRE 52 Put on a show with remote-controlled cutouts > MULTIPROCESSING IN PYTHON 56 Parallel programming with Python > INTRO TO C PART 11 58 Learn more about types and variables > CREATE A PARKING GAME 60 Use Scratch to make a fun game More code is about to go into space ASTRO PI WINNERS 8 MAKERS’ TOOLKIT PI ORDER 10 PI WARS Robots gather to find the very best balloon popper Who made the judges laugh the most? PIONEERS 13 MONSTER BORG A mini thermal camera made with a Pi Zero and a 3D-printed case POLA-PI ZERO 36 In a world of Android and iOS powered watches, here’s something more old-school WINDOWS 98 WATCH 38 TUTORIALS A sturdy piano made with arcade buttons for people who love to hammer out a tune TOUGH PI-ANO 42 The PiBorg team is back with a new robot COMPUTER HARDWARE $300 + WIN 94