Working with Wire – Sparkfun https://learn.sparkfun.com/tutorials/working-with-wire/all
For a detailed examples of good and bad crimped pin, check out the following from JST!
Connector Tutorial Digikey https://www.digikey.com.au/en/articles/connector-tutorial
Digikey Product Index Connectors, Interconnects https://www.digikey.com.au/en/resources/connectors/index
Components 101 is a website with extensive resources and design guides on components https://components101.com/
Page updated 17 August 2020