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New Postsview all

April 20, 2025 at 4:30 pm
Adafruit Weekly Editorial Round-Up: Match3 Game on…

April 20, 2025 at 2:00 pm
Extreme Landscapes of Science Fiction…

April 20, 2025 at 12:00 pm
The Dover Sun House #Solar

Featured Postsview all

April 19, 2025 at 1:30 pm
#NewProducts 4/16/25 Feat. #Adafruit USB Type C CC…

April 10, 2025 at 2:23 pm
TARIFF TALK! WITH LADYADA – April 10, 2025…

April 9, 2025 at 4:54 pm
New nEw NEWS From Adafruit Round-Up: January,…

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 —

March 5, 2024 AT 10:24 am

Implementing a sigmoid function with analog circuitry #EE

— by Anne Barela

Filed under: EE —
Tags: circuits, EE, signals —

March 5, 2024 AT 10:10 am

Impedance: why do LCR meters exist? #EE

— by Anne Barela

Filed under: EE, test equipment —
Tags: EE, LCR, meter, test equipment —

March 4, 2024 AT 2:53 pm

Sampling: What Nyquist Didn’t Say, and What to Do About It

— by Anne Barela

Filed under: EE —
Tags: Claud Shannon, EE, sampling, Shannon-Nyquist, signal processing, signals —

February 27, 2024 AT 9:40 am

DACs and ADCs, or there and back again

— by Anne Barela

Filed under: Analog, Digital, EE, Electronics —
Tags: ADC, DAC, EE —

February 12, 2024 AT 11:03 am

Eliminating serial RX/TX swap woes #SMD #PCB @BrainCodec

— by Anne Barela

Filed under: EE, Hacks, PCB —
Tags: circuit board, circuit board layout, EE, PCB, serial —

December 28, 2023 AT 9:37 am

Nicole’s Atari 2600jr feels the heat – replacing the voltage regulator

— by Anne Barela

Filed under: EE, power supply —
Tags: EE, power supply, voltage regulator —

December 15, 2023 AT 9:44 am

A modern frequency reference for an ELV FC-500 frequency counter #EE

— by Anne Barela

Filed under: EE, test equipment, Upcycling —
Tags: EE, frequency counter, frequency measurement, upcycle —

November 28, 2023 AT 9:37 am

Transverse electromagnetic cell (TEM) cell construction #EE

— by Anne Barela

Filed under: EE, test equipment —
Tags: EE, EMC, EMF, TEM —

July 26, 2023 AT 9:43 am

Making Kirigami Antennas #Art #EE #RF

— by Anne Barela

Filed under: art, EE, radio —
Tags: antennas, art, design, EE, radio, RF —

April 19, 2023 AT 9:30 am

Draw electronic schematics with ASCII characters

— by Anne Barela

Filed under: Analog, EE, Electronics —
Tags: circuit design, circuit diagram, EE —

January 6, 2023 AT 10:33 am

Potentiometers – Modifying the taper #Engineering #Restoration

— by Anne Barela

Filed under: components & parts, EE —
Tags: antiques, EE, potentiometers —

June 17, 2022 AT 9:30 am

Purdue starts comprehensive US semiconductor degree programs

— by Anne Barela

Filed under: education, EE, manufacturing, materials, Semiconductors —
Tags: chip manufacture, education, EE, fabrication, semiconductors —

January 28, 2021 AT 10:05 am

nRF24L01+: manually calibrating the antenna @ncrmnt

— by Anne Barela

Filed under: EE, radio, test equipment —
Tags: Calibration, EE, measurement, nRF24L01, testing —