Excalidraw changed that for me. It's a free, browser-based diagramming tool with a hand-drawn, whiteboard-style aesthetic. It doesn't require you to sign up, no software to install, and the minimal ...
There are many” Circuit Design Softwares( Circuit Design Softwares)”:http://easyeda.com including different platforms ,they are based on Windows ,Linux ,or On Mac ...
The lingua franca of electronic design is the schematic. I can pick up a datasheet written in Chinese (a language I do not read or speak) and usually get a half-decent idea of what the part is all ...