Documenting an electronics project is also an important task if it will be used by someone else other than the hardware designer(s). Right now I need to draw a diagram for a breakout board in order to show what functions are available on each pin. Something like the following diagram (of mbed):
Can someone recommends me a program that allows me to easily draw such diagrams?
Answer
Fritzing is pretty nice for this, there are a bunch of libraries built in and available for download that have a lot of the more popular platforms made, and you can define your own parts using an svg editor like Inkscape. It's particularly nice for having defined pin areas for your lines to connect to so things don't break if you drag it around.
draw.io is good for doing quick block diagrams and simplified wiring and is browser based with nice cloud integration. But I haven't tried to use images of PCBs for pinouts with it so it might not be the right thing for that.
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