Building robots with lo-tech materials -- TypeBot -- Getting Started with nodeboats -- PiDuino5 mobile robot platform -- Controlling a hexapod with Johnny-five -- Building voice-controlled nodebots -- An indoor sundial -- Spooky lights CheerfulJ5 -- Interactive RGB LED display with beagleBone black -- Physical security, javaScript, and you -- Artificial intelligence: Batbot -- Delta robots and kinematics -- Meow shoes.