* Follow first 'pdfUrl' link to get real datasheet URL
* Fix @param
* Fix @param
* Remove User-Agent header
It's not needed - LCSC was just having some server troubles over the weekend
* Added comment explaining the json_decode in getRealDatasheetUrl
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Co-authored-by: Jan Böhmer <mail@jan-boehmer.de>
* Fix RegEx to include negative values
* Update RegEx to handle Ω without prefix
* Update RegEx to include %
* Handle plus/minus values as range
* Fix copy&paste error
* Change minimum value to negative
* Escape decimal point and add slash to valid unit characters to be able to pick up for example "ppm/°C"
* Skip empty values
