RS DesignSpark
DesignSparkPCBisafreeelectronicdesignautomationsoftwarepackageforprintedcircuitboards.Althoughthereisnochargeforthesoftware, ...,Modernandintuitive,DesignSparkPCBiseasytolearnandeasytouse.Freefrompracticaldesignlimitationsonboardarea,layersandpin...。參考影片的文章的如下: