Hi! I’m completely new to this whole code thing. I really need to find code to measure Lift in a wind tunnel to see which airfoils would be the most efficient. I have the Aurdino Mega 2650 board, HiLetgo 2pcs PCA9685, ShangHJ 10KG Load Cell, and WWZMDiB SG90 Micro Servo Motor. I have absolutely no clue what i am doing, and if i do end up having to write my own code, i don’t even know where to begin to write it. If anyone has any advice or happens to have pre written code, i would gladly take it. Thank you all!

[image] brxxden: i don’t even know where to begin to write it Then you need to learn to crawl before you join the marines. [image] Share tips you have come across General Electronics Arduino links of interest. How to use this forum: Example sketches: https://docs.arduino.cc/built-in-examples/ Getting started: https://www.arduino.cc/en/Guide https://docs.arduino.cc/learn/ Basics of C++ on an Arduino Arduino Programming Course Programming course Listing of downloadable 'Arduino PDFs' : Either Google >>>- - - - > arduino filetype: pdf Or click the link immediately below: 100s of PDFs for Arduino [Arduino MASTERCLASS | What can Arduino do? PART …

[image] LarryD: Then you need to learn to crawl before you join the marines. Well where do i learn to crawl? I just need to find a place where i can learn the basics for this. Then i’ll learn to write the code. but as you said, i need to learn to crawl. so i am trying to find a way i can do that

[image] brxxden: Well where do i learn to crawl? You were given a link in post #2

If I were to tackle a project like this I would first start with the wind tunnel. I am confident the required measurements are doable with an Arduino. I am not confident a suitable wind tunnel can be made on a hobby scale. Things like length to insure laminar flow. Diameter to be large enough the lift is not effected by the disturbed air flow near the walls etc.

Hi, @brxxden Welcome to the forum. https://forum.arduino.cc/t/how-to-get-the-best-out-of-this-forum Is this a school/college/university project? Thanks.. Tom... :grinning: :+1: :coffee: :australia:

[image] brxxden: ShangHJ 10KG Load Cell Is your weight in the 10KG ballpark? And you want enough lift to get to (or near) zero? I'd be concerned that a load cell won't have enough sensitivity for a light load. Usually, everybody has different hardware and unlike a computer the hardware is not standardized. (You can't just plug-in a display or printer and expect it to work.) So someone else's code probably won't work. (And it's usually harder to modify someone else's code than to start from scratch.)

[image] brxxden: Hi! I’m completely new to this whole code thing. I really need to find code to measure Lift in a wind tunnel to see which airfoils would be the most efficient. What are you going to use to connect your airfoil to a sensor? Anything that disturbs the airflow around the airfoil will make your tests invalid.

Interesting project - I don’t recall seeing any wind tunnel discussions here though so you’re unlikely to find any prior art to work from. I’ll guess too that code will be the least of your worries - a viable physical solution would be where I’d start before trying to instrument anything. Unless this is a high school project perhaps where the results don’t much matter.

[image] brxxden: Well where do i learn to crawl? The Arduino Blink Without Delay project is where some people start.

[image] Paul_KD7HB: What are you going to use Page 13 of BUILD AND TEST AIRFOILS 1af67c42-dede-4614-9332-13a40465453d.pdf 7.63 MB

Wind Tunnel Code

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