Оч интересный сайт про компьютерное и не только железо:
PDF Datasheets www.0pdf.com:
https://www.datasheet-pdf.com/
Hard Disks/SSDs/Flash Repair and Recovery:
https://www.hardmaster.info/articles/
https://habr.com/ru/users/hddmasters/posts/
https://hddmasters.by/articles/articles.html
FCC devices teardown library:
https://fccid.io/PD5-WAP150/Internal-Photos/Internal-Photos-2760550
List Of WD CMR And SMR Hard Drives (HDD):
https://nascompares.com/answer/list-of-wd-cmr-and-smr-hard-drives-hdd/
Online catalog of LCD panels for notebooks etc.:
3dnews.ru great SSD life test:
https://3dnews.ru/938764/resursnie-ispitaniya-ssd-obnovlyaemiy-material
Lots of manuals for almost any household appliances, almost any manufacturer:
https://www.manualslib.com
https://manuall.co.uk/
https://manualmachine.com/
WikiChip:
https://en.wikichip.org/wiki/WikiChip
SSD Specs Database:
https://www.techpowerup.com/ssd-specs/
SSD info and tuning utilities:
Why SSDs Die a Sudden Death (and How to Deal with It):
https://blog.elcomsoft.com/2019/01/why-ssds-die-a-sudden-death-and-how-to-deal-with-it/
SOHO routers and other devices default logins/paswords:
https://www.192-168-1-1-ip.co/