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.
The sativa high is thought of as being uplifting and optimistic. It is also said that since sativas contain a very high THC content, they are best for dealing with certain pain symptoms. The indica variety is a short plant that typically does not reach over eight feet in height. Its marijuana leaves are usually dark green and have short, wide fingers. As the plant matures the grower is more quickly able to spot a dash of purple in the deep green leaf.