This project is definitely not small potatoes — three barrels loaded with spuds and charged with propane! Two PIC microcontrollers handle the User Interface, Azimuth and Elevation Aiming and Fire Control functions. Aiming is controlled with a joystick. The Fire Control subsystem verifies a projectile is loaded in the selected barrel before injecting the controlled charge of fuel and that the barrel is armed before firing. It doesn't verify the operator's age, sobriety or aim — that's your responsibility. The chips will fall where they may. Watch the video!
A recent survey conducted by CadSoft found that engineers involved in PCB design are increasingly targeting a variety of applications, with some of the most popular including control systems, open hardware, and robotics.
This Gadget Freak review looks at a variety of gadgets, including a remote-controlled helicopter that folds into its own controller, a 3D panoramic camera, and a personal 3D printer that sells at the (relatively) low cost of $1,300.