Microphones: An abundance of options for capturing tones
After discussing speaker construction, Brian Dipert now tackles the other end of the audio reproduction chain: the microphone(s) employed for initial sound capture.
A technology forecast for 2023
Our intrepid engineer prognosticates the year to come, to be followed shortly thereafter by a look back at the past year.
Automated stair lighting project
Creating lighting for an 11-step staircase with a lower level that turns on and off automatically.
Earbud implementation options: Taking a test drive(r)
Dynamic drivers, transducers reminiscent of those in speakers, are the traditional (and remain the highest volume) approach to implementing earbuds and other headphones, but upstart alternatives are also making (audio) waves.
How to enhance card-cage/chassis cooling capabilities
By improving the basic card-edge wedgelock, the thermal resistance from card to cage is reduced and heat has an easier time escaping a PC board.
Touchscreens defeat CTS
Predictions of a CTS epidemic due to excessive QWERTY keyboard use did not materialize due to widespread adoption of touchscreen devices.
2022 holiday shopping guide for engineers
Another year means another list full of techie gift ideas for others (if they’ve been nice) or yourself.
Successful hardware projects start with…
Running a design project with a design data sheet does not guarantee success, but it does tend to keep people focused on the important tasks.
Building a personal workstation: Picking up the pieces
This engineer's gamble on an "open box" AMD high-end desktop PC microprocessor didn't pan out for his planned high-end desktop (HEDT) build.
MRI story: Are our celebrity priorities misplaced?
We give considerable attention to Hollywood-type celebrities, but what about giving some to those who really create our technology developments?