Robotic Water Cannon

Robotic Water Cannon

1. Control Panel

   • Tethered vs wireless option
   • PWM (Pulse Width Modulation)
   • H-bridge control
   • micro:bit microcontroller
   • Kitronik motor driver board
   • Buzzer
     • Audible warning system
   • DPDT

2. Drive train Mechanism (variable speed)

   • CVT transmission
   • high and low gear systems
     • increase diameter of spur gear for more torque
       • decrease module of gear
   • Transistors
   • spur gears
   • Belt and Pulley
   • Kitronik board
     • Pulse Width Modulation (PWM)
   • increase diameter of spur gear for slower roations
   • TT Geared motor (drive and rotation)
   • Gear Ratio caluclation
   • Friction considerations

3. Water nozzle unit

   • Prevention of overtravel
   • Downward and upward movements
   • Linear Actuation System
   • lead screw principle
   • micro-bit
   • Nozzle design
   • Axis movement

4. Design and Manufacturing

   • window to view components
   • 3d printing using Solidworks
     • 400mm max length
     • PLA
       • Light and abundant in engineering room
   • 9v power limit
   • unique designs and no modified toys
   • Centre of Gravity
   • Wire mounting and routing