The Cactus boards could run for months on a CR2032 coin cell battery, making them suitable for wireless sensors long before "IoT" was a buzzword.
The screen returned a single line: Stomach full. Archive healthy. Awaiting instructions. netmite
, which provided a virtual keypad to mimic old physical phone buttons. Super User Why it was Important Preserving Nostalgia The Cactus boards could run for months on