3 ms·
Like how my calculator runs off of the the tiny solar panel that is built in and is powered by ambient light in the room.
by olyjohn 2y ago
Like how my calculator runs off of the the tiny solar panel that is built in and is powered by ambient light in the room.
- gedy 2y agoI think some folks might be thinking of the older light-emitting 7 segment displays which used more power.
- bobmcnamara 2y agoAh my bad, I was thinking of the early zero power seven segment numeric tape printers. The numitrons used a ton of power. Or was that VFDs?