Water cannon with app
The secret gadget.
The oldest and still most popular demo project of our customers is the water cannon from 2012: An adjustable water nozzle that can be controlled via joystick in the center console of an old VW Passat (1990).
The water cannon. The secret gadget. - Engineer Glaser
🕹️ The äldest and still most popular demo project of our customers is the water cannon from 2012: An adjustable water nozzle that can be controlled via joystick in the center console of an old VW Passat (built in 1990) .
🎬 More pictures and videos of the project:
https://ingenieur-glaser.de/projekt/wasserwerfer/
❓ What technical dreams do you have? Write them in the comments! I look forward to your inspirations!
#Arduino #Microcontroller #Automation #ElectricalEngineering #VwPassat #PrototypeDevelopment #HardwareDevelopment #Cplusplus #Robotics
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The cannon.
The water nozzle is hidden behind the VW emblem. By activating the joystick, the emblem pops out quickly and is ready for use.
The joystick.
The direction of the water jet can be controlled with a joystick in the car's center console or via an iPhone app. When controlling via smartphone, the cannon aligns according to the tilt of the accelerometer.
The engine compartment.
The spacious engine compartment houses the technology. Here, electronics, pump, and water tank find their place.
The high-pressure pump.
The high-pressure pump draws from a 10-liter canister and pushes the water through the nozzle at 6 bar. The range of the water jet is 12 meters.
The mechanics.
Servo motors from model building supplies serve as actuators for the X and Y axes.
The electronics.
The electronics consist of a WLAN router, an Arduino board with Ethernet shield, and the ATMEL AVR ATMEGA 8 microcontroller.
The software.
C++ was used for hardware-near programming and a JSON scripting language for the app. Data exchange between iPhone and electronics occurs via UDP data packets in OSC format.
The manufacturing.
All mechanical components were manufactured using a CNC milling machine.
The design.
Compared to a conventional VW emblem, the repurposed one shines in a bright red. The water jet glows at night in a bright blue LED light, reminiscent of a lightsaber.
Closing words.
The water cannon combines classic mechanical engineering with modern information technology and shows with a wink how useful engineering can be.
