Rubber bands sentry gun

Full-auto sentry gun, shoots rubber bands.

Youtube: http://youtu.be/YoOh4k-KuBM https://www.youtube.com/watch?v=nvMih-ZmREQ&feature=youtu.be

For the software, follow the guide: http://projectsentrygun.rudolphlabs.com

Instructions

!!! for the barrel, set the scale dimensions on X 35.12mm and Y34.97mm

material: mechanical parts: -3 M5 50mm screws -2 M4 30mm screws -1 M4 40mm screw -12 M3 16mm imbus -3 M3 10mm -15 M3 nuts -3 M5 nuts -6 M4 nuts -3 M6 nuts -10 servo screws -1 M6 80mm threaded bar -1 skateboard ball bearing -1 30 cm piece of string -2 135 mm x 8mm ⌀ metal pipe -1 35 mm x 8mm ⌀ metal pipe electronic parts: -1 180° micro servo https://amzn.to/2UysWkj http://s.click.aliexpress.com/e/bFG6Nwso -1 180° servo https://amzn.to/2Ea2G9U http://s.click.aliexpress.com/e/bVqfAXpe -1 360° servo https://amzn.to/2UytA1d http://s.click.aliexpress.com/e/bQmvLrBw -1 arduino UNO, 2009 or Mega https://amzn.to/2QpCDmq http://s.click.aliexpress.com/e/Qc3oVvA

optional (for manual cotrol): -1 joystick https://amzn.to/2EeJOH5 http://s.click.aliexpress.com/e/c11a4Yzw -1 button https://amzn.to/2EnOgUz http://s.click.aliexpress.com/e/cfdERPk4