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New Postsview all

October 15, 2024 at 2:00 pm
Early Home Computers in the work of Lola Dupre…

October 15, 2024 at 12:00 pm
Spruce Up a Costume with MONSTER M4SK Eyes and…

October 15, 2024 at 11:58 am
Sitina 1: an open source 35mm full-frame CCD…

Featured Postsview all

October 12, 2024 at 3:00 pm
New Products 10/9/24 Feat. Adafruit RP2040 Snap-on…

October 10, 2024 at 9:30 am
New nEw NEWS From Adafruit Round-Up: July, August…

October 8, 2024 at 7:30 am
New nEw NEWs Subscribers Get 15% off our Halloween…

October 2, 2024 AT 11:25 am

Mostly True Tales: The Radio Shack TRS-80 Modem I #ShackToberFest

— by Anne Barela

Filed under: EE, retro —
Tags: design, modem, patent, Radio Shack, ShackToberFest, TRS-80 —

October 1, 2024 AT 11:35 am

Hands on with a vintage Radio Shack 160-in-1 electronic project kit #RadioShack #ShackToberFest

— by Anne Barela

Filed under: Analog, Digital, EE, Electronics, kits, science, vintage —
Tags: electronics, kits, Radio Shack, vintage —

September 24, 2024 AT 3:16 pm

NextNav’s callous radio spectrum-grab to privatize 900 MHz

— by Anne Barela

Filed under: EE, GNSS, gps, radio —
Tags: bandwidth, GPS, PNT, spectrum —

September 17, 2024 AT 4:27 pm

Circuit Artist: a digital circuit drawing and simulation game #ArtTuesday

— by Anne Barela

Filed under: art, Circuit Boards, EE, gaming —
Tags: artist, circuits, game —

August 12, 2024 AT 9:56 am

The Great Search: RP2350 SMPS Inductor #TheGreatSearch #DigiKey #Adafruit @DigiKey @Adafruit

— by Anne Barela

Filed under: Adafruit Video, components & parts, design and architecture, EE, The Great Search —
Tags: buck converter, design, digikey, inductor, RP2350, SMPS, The Great Search —

August 7, 2024 AT 11:37 am

The Engineer’s Guide to RF Cable Assembly, Selection and Use

— by Anne Barela

Filed under: Connectors, EE, Engineering —
Tags: connectors, Engineering, radio frequency, signals —

May 14, 2024 AT 12:03 pm

Images and the frequency domain

— by Anne Barela

Filed under: EE, math, photography, photos —
Tags: frequency domain, images, information theory —

May 8, 2024 AT 10:20 am

Is the frequency domain a real place?

— by Anne Barela

Filed under: EE, software —
Tags: fast fourier transform, frequency domain, signals analysis, spectrum analysis, time domain —

May 8, 2024 AT 10:12 am

I2C auto identification

— by Anne Barela

Filed under: EE, Programming, Sensors, software —
Tags: i2c, I2C Addresses —

May 1, 2024 AT 11:10 am

Measuring signal amplitude and frequency

— by Anne Barela

Filed under: Circuit Boards, EE —
Tags: amplitude, Calibration, frequency counting, signal processing —

April 5, 2024 AT 9:30 am

A homemade 6 GHz pulse compression radar

— by Anne Barela

Filed under: EE, fpga, projects, radio —
Tags: EE, FPGA, radar, RF, signal processing —

April 4, 2024 AT 10:13 am

A small line injector to measure PSRR

— by Anne Barela

Filed under: EE, power supply —
Tags: EE, measurement, power supply —

April 2, 2024 AT 10:08 am

Not so fast, Mr. Fourier!

— by Anne Barela

Filed under: audio, EE, radio —
Tags: fast fourier transform, fft, signal processing, signals —

March 26, 2024 AT 10:56 am

Fixing the PCB for the arcade game Speed Buggy/Buggy Boy

— by Anne Barela

Filed under: Digital, EE, Electronics, gaming —
Tags: arcade game, board repair, gaming, repair —

March 26, 2024 AT 9:45 am

Hands on with a vintage Radio Shack 160-in-1 electronic project kit #RadioShack #Electronics @rxseger

— by Anne Barela

Filed under: Analog, Digital, EE, Electronics, kits, science, vintage —
Tags: electronics, kits, Radio Shack, vintage —