Welcome to Question of the Day! These posts help you get comfortable integrating different technologies with Pinoccio, and easily find what you need in our documentation.
As it was originally designed to support environmental sensor networks, we've always worked to make Pinoccio support a wide range of conditions. As far as the Scout board itself is concerned, all electronic components are rated for at least -20°C to +70°C operating temperature (-4º to 158º F).
The 16MHz crystal is the most sensitive component on the board, due to ppm drift based on temperature changes. It's rated at no more than 25ppm at those extremes--but if you're willing to put up with more ppm drift, you should be able to exceed the temperatures up to industrial (-40°C to +85°C.)
The microcontroller is stable from about -40º to 80º Celsius.
The power switch is rated at an operating temperature of –10°C to +60°C. If you wish to bypass this switch with something more robust, there are two 0.1" holes underneath the switch that you can solder to, to bypass this switch.
Lastly, LiPo battery chemistry will suffer capacity issues much more at lower temperatures, with up to 50% capacity lost at 0°C. Once you hit this kind of temperatures, you may want to consider alternative power methods, such as supercapacitors or external power. The battery jack also has two 0.1" holes underneath to bypass the battery with an alternate power source.
If you need to sense conditions in an environment that exceeds these limits, we recommend attaching an external sensor, such as the DHT22—and keeping the Scout itself outside this area. (This is also a great idea because thick freezer walls cut into your signal!)
This article is now part of our Pinoccio Hardware docs.
Chilly Scout image by Sally!