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.
Popular indica strains include: Tahoe OG, Banana Kush, and Granddaddy Purple. Hybrids. Hybrids are strains of cannabis that are grown as a mix of sativa and indica. Hybrid strains are most popular, because they produce therapeutic effects associated with both the sativa and indica strains. This is ideal for patients who want to remedy different types of symptoms.