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DesignSpark Mechanical Software
Design Toolbox
Ultraviolet Light - 10 Interesting Facts!
**Winners announced** PCB Pro goes free for 10 licenses
3D CAD File: Respirator-free reanimation Venturi's valve
Powering Electric Vehicles: Fuel-Cells and Big Batteries
Catching a Bus: Basic Serial Communication Part 1, the UART
The World of FPGAs and ASICs: Part 1
