/challenges-projects/design-challenges/save-the-bees-design-challenge/b/blog/posts/sugar-shaking---s-a-passive-method-to-detect-and-remove-external-parasitesDetecting external parasites such as Varroa mites is very important To save The bees. In this Project, In this project, I have to build a smart hive, in the hive entry I created a bee counter system using IR LED and Photodiode. once the b...en-USTelligent Community 12