画原理图的轻量化工具

参考： 几款免费而强大的PCB设计软件

1. AxGlyph下载地址

AxGlyph is a powerful interactive vector graph maker for multiple purposes.

It can draw flow chart, mind map, circuit diagram, chemical experiments, coordinate graph, 3D objects and even animations.

1. drawio在线地址

vscode下，有插件可以用。

1. fritzing下载地址

Fritzing is an open-source hardware initiative that makes electronics accessible as a creative material for anyone.

1. EdrawSoft下载地址