There were a number of hardware issues with Arduino at cryogenic temperatures: capacitors loose most of their capacitance, brown-out detection was tripping, 3.3V linear regulator for LCD backlight supply was failing.
There were a number of hardware issues with Arduino at cryogenic temperatures: capacitors loose most of their capacitance, brown-out detection was tripping, 3.3V linear regulator for LCD backlight supply was failing.
