Thursday 17 September
Today's 45 minutes
Two items, in order. Read the lesson first while attention is freshest, then scan the brief. The closing questions are the part that makes it stick.
Step 01 · Lesson
31 minHow Sensors Turn the Physical World Into Data
Every measurement is a translation. This lesson follows a physical quantity from the world, through a transducer and an analog front end, into numbers you can trust — and shows exactly where that trust is won or lost.
Start readingLesson 0117 September 202631 minfoundationDemoStep 02 · Intelligence brief
15 minToday in Sensor Intelligence
Five fictional demo items showing the daily briefing format: what happened, why it matters, technical significance and what to watch. Nothing here is real news.
Start readingIntelligence17 September 202615 minintermediateDemoStep 03 · 2 minutes
Say the answers out loud
- What is the measurand in my system, and what physical effect actually converts it into a signal?
- What is the transfer function of my sensor, and over what range is it linear?
- If my ADC is 12-bit, what is one least-significant bit worth in physical units?