Starlink, Medical Ultrasound, 5G and my DIY sonar scanner have one thing in common: Phased arrays. Phased what..? My practical experiments convey the physics behind the manipulation of waves in a playful manner. The result is a real DIY sonar scanner. Check it out!

Give my sponsor Aisler a try: https://aisler.de
My board: https://aisler.net/p/QYYBVKUH

Browser based simulator: https://www.shadertoy.com/view/NdXfDl
Scanner code: https://github.com/bitluni/SonarScann...

Links to parts and tools (affiliate links):
4 Channel Mosfet Switch: https://aliexpress.bitluni.net/4chMosfet
Solenoid: https://aliexpress.bitluni.net/solenoid
Soldering iron: https://aliexpress.bitluni.net/TS80P
Miniware Hot Plate: https://aliexpress.bitluni.net/hotPlate
Flux: https://aliexpress.bitluni.net/flux
Syringe Pusher: https://aliexpress.bitluni.net/pusher
Variable Power Supply: https://aliexpress.bitluni.net/kjsPSU
Arduino Nano clone: https://aliexpress.bitluni.net/nano
ESP32 Mini KIT: https://aliexpress.bitluni.net/ESP32mini
Mini Breadboards: https://aliexpress.bitluni.net/miniBr...

My camera and lens (4k 60fps): https://amazon.bitluni.net/gh5

Github Sponsors: https://github.com/sponsors/bitluni
Patreon:   / bitluni  
Channel membership:    / @bitluni  
Paypal: https://paypal.me/bitluni

Twitter: @bitluni
Discord:   / discord  

0:00 Intro
0:32 Ultrasonic sensor basics
1:52 Phased arrays
2:26 Water wave experiment
3:11 Phase simulation
5:02 Starlink
5:44 Medical ultrasound
6:07 Mechanical phased array experiment
7:55 Ultrasound array design
8:20 Sponsor: Aisler
8:58 Array assembly
9:57 Software
10:38 Visualization CNC experiment
12:29 Sonar build and results

Media sources:
• Hackaday Supercon - HunterScott : Why Phased Arrays are Cool ...    • Hackaday Supercon - HunterScott : Why...  
• Wikipedia - Phased array: https://en.m.wikipedia.org/wiki/Phase...
• Hearing frequencies: https://anatomypubs.onlinelibrary.wil...
• Demi, L. Practical Guide to Ultrasound Beam Forming https://doi.org/10.3390/app8091544
• Starlink auto-adjust - Simon Miller    • Starlink auto-adjust  
• Starlink Teardown: DISHY DESTROYED! Ken Keiter    • Starlink Teardown: DISHY DESTROYED!  
• Antennas - Matthias Groeneveld on Pexels
• Starlink Tracker 1: https://starlink.sx/
• Starlink Tracker 2: https://satellitemap.space/
• Starlink cats - Aaron Taylor   / 1476985855981993984  

#electronics #maker