Show HN: Capacitor Alarm Clock 1 month ago
You could, but from my measurements the capacitor tends to pull ~1A before it bursts, so you'd be running up against the 3A limit of USB. At voltages below 12V, they don't seem to go off reliably.
HN user
You could, but from my measurements the capacitor tends to pull ~1A before it bursts, so you'd be running up against the 3A limit of USB. At voltages below 12V, they don't seem to go off reliably.
I wish I could've made it there :/