Are you thinking of Suicide Batteries?[1]
IIRC, tehy're a major hindrance to people who want to legitimately restore old arcade/pinball machines, rather than just grabbing a cracked rom.
IIRC, tehy're a major hindrance to people who want to legitimately restore old arcade/pinball machines, rather than just grabbing a cracked rom.
Ten layers of tinfoil can capture pirate-bullets.