Have you ever wanted to measure the speed of air coming out of your vents at home? Well then we have the perfect project for you.
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Thanks! That is definitely a great question. We used a wind speed sensor that was connected to a program called LabView to calculate the "actual cfm". Not everyone has access to this program, so another way to find the "actual cfm" would be to use an anemometer from a store and measure the wind speeds of a fan that has different speed settings. The anemometer would most likely be in meters per second so your "actual cfm" would change to "actual m/s". I added a section called "Calibrate it Yourself" to help explain this better. If you have more questions feel free to let me know!
You are right, my original description was very vague. Please check the new information added, mostly in "The Build" section, and let me know what you think! If you have more questions, fire away!
Great question! I should have been more clear. The vanes attach to the anemometer that creates the voltage signal. The signal is then amplified for the voltage sensor and sent to the arduino. Let me know if you have more questions!
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