DIY Automatic Temperature Control System

DIY Automatic Temperature Control System

From October to December 2017, the university electronic competition section of 21icbbs launched the “Preliminary Competition for Electrical Contest” activity, attracting numerous participants. As the event is coming to an end, I will gradually showcase some of the outstanding works through our WeChat public account. If you’re interested, you can check out the specific activities … Read more

Multiplexing: Lighting Up Cupid’s Arrow

Multiplexing: Lighting Up Cupid's Arrow

Using LEDs to create a Cupid’s arrow pattern with different dot matrix variations seems like a good idea.The romance of electronic engineers does not depend on how perfect the finished product is, but rather on the difficulties in the implementation process. Cupid’s arrow The small board below integrates 40 LEDs to form the Cupid’s arrow … Read more