GitHub is a web-based Git or version control repository and Internet hosting service. It offers all of thedistributed version control and source code management ( S C M ) functionality of Git as well as adding its own features.
CSDN (The "Chinese Software Developer Network" or "China Software Developer Network"),provides Web forums, blog hosting, IT news, and other services. CSDN has about 10 million registered users and is the largest developer community in China.
• connect to bluetooth.
• real-time display temperature and humidity.
• push, stop, pull
• change threshold value
• Automatically sense the weather and shrinks.
• Real-time collection of temperature and humidity.
• Strong and beautiful.
• strong and sturdy.
• Do not fade not rust.
• Strong bearing capacity.