3 ms·
Given those microcontrollers are 0.05 USD at worst, meh, though I acknowledge it sounds a bit crazy if you don’t recognize how cheap micros can be nowadays. Lap
by mananaysiempre 3y ago
Given those microcontrollers are 0.05 USD at worst, meh, though I acknowledge it sounds a bit crazy if you don’t recognize how cheap micros can be nowadays. Laptop chargers have used similar schemes (perhaps with bare serial EEPROMs instead of MCUs) since forever, FWIW.
- hiatus 3y agoThe absurdity to me is not the cost, but the complexity. Our (or at least my own) intuition of an extension cord is as a dumb cord just relaying signals, but they are more complex than that, now.