In this video Paul Carlson from Mr Carlson’s Lab tests three different types of capacitor to demonstrate their properties. You need to be careful in audio applications because capacitors can behave like microphones.
Category Archives: Design
Picking low noise resistors
Hans Rosenberg runs us through what we should know about resistor noise and how to avoid it. The bottom line is to avoid carbon composition, thick film, carbon film, and metal oxide film; and prefer thin film, metal film, wirewound (watch inductance), and bulk metal foil (expensive but best).
Today I added wirewound to my spell check.
Speech Synthesis with the SP0256-AL2
This build uses a W65C265S microcontroller and an old SP0256-AL2 speech synthesizer integrated circuit to add voice output to a circuit.
Fume extractor
Here’s a fun build:
Framework laptop
Here’s a good run down of what’s in a Framework laptop:
Navel gazing about programming with AI
Via Lobsters today: I Started Programming When I Was 7. I’m 50 Now, and the Thing I Loved Has Changed.
How NASA Reinvented The Wheel
Start all of your commands with a comma
This looks like a really good idea! Start all of your commands with a comma.
Semantic Compression
Casey Muratori explains his approach to not-so-object-oriented design (he calls it procedurally-oriented) and refactoring (he calls it compression): Semantic Compression.
Today I added procedurally-oriented to my spell check.
A Display Powered by Air
This is fun. He made a mechanical AND gate so he could use a multiplexer!