/challenges-projects/design-challenges/in-the-air-design-challenge/b/blog/posts/in-the-air-design-challenge---pollen-allergen-sensing-post-2Previous posts: In the Air Design Challenge - Pollen & Allergen Sensing In the Air Design Challenge - Pollen & Allergen Sensing – Post 1 (Pollen Sensor) IntroductionSince I had problem with customs and still waiting for my kits (Christian ...en-USTelligent Community 12