3 ms·

> wall warts are all SMPS now TIL about switched-mode power supplies... https://en.wikipedia.org/wiki/Switched-mode_power_supply https://en.wikipedia.org/wiki/

by pcl 2y ago

> wall warts are all SMPS now TIL about switched-mode power supplies... https://en.wikipedia.org/wiki/Switched-mode_power_supply https://en.wikipedia.org/wiki/Switched-mode_power_supply