Pad2Pad Free PCB Routing CAD with Ordering. Supports NET LIST import. Pad2Pad is the remarkable new way to get the custom printed circuit boards you need quickly. Download our free PCB software, design your board, and click to order. It's that easy! Pad2Pad simplifies the whole process of getting circuit boards by up to 80% and open doors to new products and projects. Intelligent design software gives instant exact pricing plus expert feedback.

15 Puzzle - Sam Lloyd's logical game to play online. Play online Sam Lloyd's "15" puzzle. The funny story and mathematical implications of this game. Some funny logical problems with the 15 game. Everybody knows this logical game's purpose: the player has to order the tiles like this: 13 14 15
You can play online Sam Lloyd's "15" puzzle here. Sam Lloyd (1841-1911) launched a problem: can you solve the game, if initially the tiles are arranged l

Tough Jigsaw Puzzle of a circuit board. 70 pieces. Very challenging.

Circuit Weaver is a completely original game in which you move your energy mass around a circuit by rearranging the circuit elements. The energy mass will follow the paths you create for it, activating "Zero Power" chips as you lead the mass to them. A fun, and fast paced puzzle game that offers many puzzle, and even real time aspects that will keep you entertained for days, even weeks!

Karnaugh map minimalizator - for minimalize logical functions for 3-8 variables. This program help you safe logical circuits. This program is special for students. On left you can see a full map of your function. Negation of variable is big capital.

A shareware schematic editor for drawing and publishing electronic circuit diagrams; operating on Windows and Linux. An easy to use interface gives access to the major controls required for the current task in hand. Part attributes are shown for each part as they are selected. Has built in netlister and Bill of Materials generator. Layers allow advanced diagram generation for producing publishable schematics

A simulation of a NYC Transit Authority train traveling by automatic signals with working stop arms. Working circuit drawings show how the signal system relays function while the train passes over track circuits. Good learning tool. Real photos used in the program design.

With DesignWorks Lite you can: Draw, save, edit and print complete, professional circuit diagrams using powerful features like bussing, multi-level Undo/Redo, and automatic gate packaging. Use the library of common 74XX and discrete symbols provided or create your own libraries using the built-in symbol editor. Send compact circuit diagram files to friends or colleagues over the net.

Circuit Weaver 3D is an original puzzle game, taking place in awesome 3D environments, with arcade quality special effects. Help Robi the Robot save his home world in this 3D puzzle game by guiding him to the shield generators. You get to guide Robi the Robot by altering the circuit grid that surrounds him. He'll follow the path you create in the grid, so it is up to you to create paths that do not destroy him.

We are happy to present you the A-class logic game! The main point is simple electric circuit is out of order, and you must assemble it.Make it faster, and you'll get a good Time Bonus. Make it better, and it will increase your Rotation Bonus. Many points are good, and few are not bad, too! Oh, yes, the only condition is: the circuit should not make circles.

This package provides logical circuit simulation, it comes with common logic elements which includes logic gates, flop-flops, binary inputs and binary viewers. User can construct any logic circuit by drag and drop.