olemus
seadme elektrienergia allikas

ülevaateid
https://en.wikipedia.org/wiki/Power_supply

https://www.teamwavelength.com/power-supply-basics/

https://www.watelectrical.com/what-is-a-power-supply-and-types-of-power-supply-for-electrical-circuits/

https://www.elprocus.com/classification-power-supply-different-types/

vt ka
- energiapüüdur
- Ethernet-toide
- toide (1)
- ups