Hovercraft, also known as an air-cushion vehicle or ACV, is a craft capable of travelling over land, water, mud or ice and other surfaces. Hovercraft are hybrid vessels operated by a pilot as an aircraft rather than a captain as a marine vessel.
Hovercraft use blowers to produce a large volume of air below the hull that is slightly above atmospheric pressure. The pressure difference between the higher pressure air below the hull and lower pressure ambient air above it produces lift, which causes the hull to float above the running surface. For stability reasons, the air is typically blown through slots or holes around the outside of a disk- or oval-shaped platform, giving most hovercraft a characteristic rounded-rectangle shape. Typically this cushion is contained within a flexible "skirt", which allows the vehicle to travel over small obstructions without damage
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Vulcanus Max 30
Laser Machine DY
Computer Numeric Control (CNC) is the automation of machine tools that are operated by precisely programmed commands encoded on a storage medium (computer command module, usually located on the device) as opposed to controlled manually by hand wheels or levers, or mechanically automated by cams alone. Most NC today is computer (or computerized) numerical control (CNC), in which computers play an integral part of the control.
The goal of the project was to develop a small and cheap PID-regulated positioning controller for both sensored BLDC- and DC-Servomotors that is controlled by step-, direction- and enable- input signals.
It uses a Microchip dsPIC30F4012-30 DSP in 28 pin package to regulate the motor position and, for BLDC motors, the phase-angle of the motor windings by evaluating their hall sensor state. The PID settings are stored in the EEProm of the controller via a serial interface by using either a serial terminal program or a software that is included in the package.
The controller automatically detects the motor type connected to it by evaluating the state of the tree hall-sensor pins when booting. If at least one is found low it switches to BLDC motor mode. If all are high it switches to DC motor mode.
The controller drives 3 MOSFET half bridges using an internal deadtime generator via standard MOSFET bridge drivers. An external error signal is evaluated to shutdown the bridge in case of an overcurrent event.
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TinyG G2 is a high performance USB based CNC 6 Axis controller supporting XYZ linear and ABC rotary axes with 4 motor outputs.
The TinyG G2 project is a many-axis motion control system. It’s designed for small CNC applications and other applications that require highly controllable motion control. TinyG is meant to be a complete embedded solution for small/medium motor control.