A new Windows 8.1 namespace offers app support for USB devices: Windows.Devices.Usb. You can use it to write a Windows Store app that talks to a custom USB device. Custom in this context means a peripheral device for which Microsoft does not provide an in-box class driver.
Marijuana Effects: Sativa. Sativa strains are more of a stimulant, and are effective in appetite stimulation, relieving depression, migraines, chronic pain and nausea. Common strains include: Haze, Trainwreck, K2, Kali Mist White Russian and Kiwi Green.
Sativa marijuana plants. The taller counterpart to the Indica variety is the Sativa variety. This marijuana plant matures more slowly, has increased accessory pigments over Indica, and they have a bit less chlorophyll. This lack of chlorophyll creates a plant that grows more slowly, matures more slowly and requires additional light.