Alexandria Library

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Here are some ressources related to Radar, Frequency, Antenna. Hoping you will find learning material, alternative tools or just some interesting stuff.

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Articles

Heathkit
See discussion (81 comments, 241 points) - Archive
What Is MmWave Radar?: Everything You Need to Know About FMCW (2022)
See discussion (37 comments, 85 points) - Archive
Using HDMI radio interference for high-speed data transfer
See discussion (25 comments, 307 points) - Archive
VHS-Decode – Software defined VHS decoder
See discussion (80 comments, 211 points) - Archive
MagSpoof: Wireless Magstrip Spoofer
See discussion (101 comments, 212 points) - Archive
Build a passive radar with software-defined radio
See discussion (53 comments, 221 points) - Archive
DIY Digital Room Correction with Linux
See discussion (24 comments, 91 points) - Archive
Show HN: HiFiScan, a Python app to optimize your loudspeakers
See discussion (103 comments, 260 points) - Archive
A 74xx-Defined Radio (2021)
See discussion (30 comments, 181 points) - Archive
Reversing a 2.4GHz Remote Control
See discussion (28 comments, 159 points) - Archive
NanoVNA: Low-cost handheld 4GHz vector network analyzer
See discussion (67 comments, 114 points) - Archive
Radar fall detection and breath rate under $40
See discussion (57 comments, 126 points) - Archive
mmWave radar, you won't see it coming
See discussion (183 comments, 258 points) - Archive
Open IP over VHF/UHF Part 5
See discussion (23 comments, 123 points) - Archive
Reprogramming a Sennheiser Microphone
See discussion (20 comments, 123 points) - Archive
Decoding radio pH capsules with rtl_433
See discussion (8 comments, 81 points) - Archive
Rain Backscatter on 10 GHz
See discussion (33 comments, 88 points) - Archive
Understanding Indirect Time-of-Flight Depth Sensing
See discussion (39 comments, 87 points) - Archive
Surround Sound in Headphones
See discussion (106 comments, 82 points) - Archive
Tin Can Phone Modem
See discussion (14 comments, 139 points) - Archive
Detecting a 2.4 GHz transmission for under 1 EUR
See discussion (29 comments, 111 points) - Archive
An Implementation of Tempest in GNU Radio
See discussion (35 comments, 93 points) - Archive
Finding Radio Frequency Side Channels
See discussion (17 comments, 88 points) - Archive
Improving Audio Quality in Duo with WaveNetEQ
See discussion (35 comments, 93 points) - Archive
Low-cost 60GHZ phased array antenna
See discussion (75 comments, 208 points) - Archive
A 60 GHz phased array for $10
See discussion (101 comments, 252 points) - Archive
Homemade GPS Receiver (2011)
See discussion (11 comments, 153 points) - Archive
Electromagnetic interference mapping
See discussion (25 comments, 142 points) - Archive
Capture and Decode FM Radio
See discussion (20 comments, 117 points) - Archive
A Real-Time Wideband Neural Vocoder at 1.6 Kb/S Using LPCNet
See discussion (73 comments, 203 points) - Archive
TI Claims Breakthrough in BAW On-Die-Oscillators
See discussion (48 comments, 101 points) - Archive
Homemade GPS Receiver (2013)
See discussion (33 comments, 184 points) - Archive
XXY Oscilloscope
See discussion (42 comments, 263 points) - Archive
Zigfrid – A Passive RFID Fuzzer
See discussion (29 comments, 128 points) - Archive
Simple Wi-Fi Yagi (2014)
See discussion (67 comments, 211 points) - Archive
Build a Phased-Array Radar in Your Garage That Sees Through Walls (2015)
See discussion (19 comments, 208 points) - Archive
Play along with NSA: The RAFTER unintentional radio emissions how-to
See discussion (26 comments, 97 points) - Archive
Reverse Engineering Quadcopter Protocols
See discussion (6 comments, 95 points) - Archive
Beamforming in PulseAudio
See discussion (32 comments, 121 points) - Archive
The absolute horror of WiFi light switches
See discussion (86 comments, 89 points) - Archive
MagSpoof – wireless credit card/magstripe spoofer
See discussion (108 comments, 541 points) - Archive
Homemade synthetic aperture radar
See discussion (29 comments, 129 points) - Archive
Reverse engineering an ancient wireless security keypad using RTL-SDR
See discussion (21 comments, 189 points) - Archive
Homemade GPS Receiver
See discussion (55 comments, 106 points) - Archive
Wireless lossless digital audio
See discussion (22 comments, 94 points) - Archive
How Surround Sound for Headphones Works
See discussion (31 comments, 97 points) - Archive
6 GHz frequency modulated radar
See discussion (84 comments, 261 points) - Archive
A briefcase-size radio weapon could wreak havoc in our networked world
See discussion (14 comments, 87 points) - Archive
Eavesdropping on a wireless keyboard (2013)
See discussion (16 comments, 96 points) - Archive
Smartphone can use its microphone to extract RSA decryption key from laptop
See discussion (40 comments, 156 points) - Archive
A pink $16 pocket spectrum analyzer
See discussion (24 comments, 115 points) - Archive
Signal reflections in electronic circuits
See discussion (75 comments, 185 points) - Archive
High Precision Mapping from Scratch
See discussion (45 comments, 140 points) - Archive
Power over fiber
See discussion (259 comments, 378 points) - Archive
TinySA – small spectrum analyzer and signal generator
See discussion (64 comments, 192 points) - Archive
Harmonics Explorer
See discussion (52 comments, 298 points) - Archive
100kHz to 6GHz 2 port USB based VNA
See discussion (29 comments, 112 points) - Archive
Opus 1.5 released: Opus gets a machine learning upgrade
See discussion (138 comments, 387 points) - Archive
Reverse engineering a car key fob signal
See discussion (83 comments, 428 points) - Archive
Homemade 6 GHz pulse compression radar
See discussion (116 comments, 438 points) - Archive
Arduino FDX-B (animal ID chip) reader built from discrete components
See discussion (12 comments, 95 points) - Archive
Reverse engineering a restaurant pager system
See discussion (31 comments, 192 points) - Archive
How automotive radar measures the velocity of objects
See discussion (57 comments, 95 points) - Archive
Inside a $1 radar motion sensor
See discussion (103 comments, 612 points) - Archive
Taking a Radio Camping
See discussion (50 comments, 139 points) - Archive
Deep-Tempest: Using Deep Learning to Eavesdrop on HDMI
See discussion (15 comments, 86 points) - Archive
Programming a CH32v003 with light
See discussion (13 comments, 148 points) - Archive