When working on projects common building blocks are used constantly. Finding simple and reliable information around these circuits can be hard and deriving them each time is a pain. To get around this I recently bought the domain fortheloveofcircuits.co.uk and i'm now trying to make a simple log of common circuits perfect for a quick lookup when designing and for a barebones explanation of how the circuits work.
The website is open source with the code being found on GitHub. If you would like to help offer circuit ideas, create circuit diagrams, derive transfer functions or descriptions please do. Feel free to create a pull request for any additions, issues for any ideas or contact me to chat about any of it.