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A SONAR with our COMPUTER, or Raspberry pi, for 20 euros? Today we are going to learn the OPERATION of the TIDES, the DEPTH PROBES of our boats, we will see which is the most economical that works and above all, how to BUILD one very easily with our computer and a small plate from AliExpress and some components, spending nothing more than 20 euros, and which is also connected to our computer, tablet, mobile, plotter, etc.
All seasoned with a bit of science, humor and imagination.
Everything here at: The Low Cost Sailor
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www.thelowcostsailor.com/buil...
If you have problems with the links below, you also have them in the post on our website.
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Thanks:
To @SailorYorch for lending himself to make a cameo, this and many other times!
To @navionics for their Navionics website
To Wikipedia for some of his images
To webcamsantander.es for his timelapse of the bay
To LaTabernaDelPuerto.com for all his knowledge and some images
To the SAYME.io team for teaching me so many things about ultrasound in my work
Mentions:
The Titanic trailer • "Titanic" tráiler oficial
The video of Mont Saint-Michel • Video
The Hunt for Red October • Periscopio (escena) La...
The video of how to install an indoor transducer • How To Install An In-H...
History of bathymetry • Seabed Frontier: A Bri...
Things you can buy from our episode:
✅ The cheapest depth sounder
🔶 On AliExpress €35:
🔵 s.click.aliexpress.com/e/_DlZ...
🔶 On Amazon €60:
🔵amzn.to/3Rw2WnC
✅ Mini oscilloscopes, very useful for all these experiments
🔶 On AliExpress €31:
🔵 s.click.aliexpress.com/e/_DDa...
🔶 On Amazon €40:
🔵 amzn.to/3Y52i2H
To make your own probe you will need:
✅ Review some of our episodes
🔶 Install OpenPlotter on a Raspberry Pi
🔵 • EP11 - Plotter low cos...
🔶 Install OpenPlotter on an old computer
🔵 • EP48 - Nueva vida para...
🔶 First steps with NodeRED
🔵 • EP51 - Mi barco me hab...
✅ The following material from AliExpress
🔶USB TTL cable
🔵 s.click.aliexpress.com/e/_Dli...
🔶 Ultrasonic circuit, it may be a bit more modern than mine.
🔵 s.click.aliexpress.com/e/_DlI...
🔶 Resistance of 120Kohms
🔵 s.click.aliexpress.com/e/_DCI...
🔶 Sonar transducer 1108-1
🔵 s.click.aliexpress.com/e/_DEn...
🔶 Some connectors, or simply splicing the cables...
✅ Or the same on Amazon
🔶USB TTL cable
🔵 • EP51 - Mi barco me hab...
🔶 Ultrasonic circuit, exactly the one that appears in the video.
🔵 amzn.to/3RuyUAu
🔶 Resistance of 120Kohms
🔵amzn.to/3RpOf5m
🔶 Sonar transducer
🔵 In amazon I have not found only the transducer
🔶 Some connectors, or simply splicing the cables...
Our website with more information and tricks for sailors:
⚓ www.thelowcostsailor.com
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Chapters:
00:00 Introduction
00:42 Cover
01:05 Description
02:44 Motivation
04:20 How the tides work
07:36 Measuring depth
10:47 The cheapest probe
12:56 Install the probe inside the hull without holes (in-hull)
14:20 Build our connected sonar
18:12 Testing homemade depth sounder
18:45 Conclusions
21:22 Other