Ok, so it was 24 hours and 35 minutes. Sorry.

# Updates

I added the newest version of the temperature sensors lecture.

For HW #9, don’t worry about the heartbeat sampling rate. That question need to be reworked- using Nyquist Theorem, the correct answer would be found by:

Assume 200 beats per minute is the fastest heart rate you’d find and convert that to a frequency

200 beats/min * min/60s = 3.33 Hz.

Apply Nyquist Theorem:

3.33 Hz * 2 = 6.67 Hz is the minimum sampling frequency, not 400 Hz.

One junior design group this semester is learning that real heart beat measurements are more complicated, but 6.67 Hz is the minimum sampling rate per Nyquist Theorem.

# Updates

I have added the homework assignments for the rest of the semester. I have also added Program #5 and several upcoming sets of lecture slides.

# HW #6 and Lecture #6 Posted

These are both posted and verified to be working. This week will have you looking at the frequency spectrum and thinking about signals in it, rather than only in the time domain.

I will have Week #7 material posted soon.

# A Few Updates

I added HW #5 and Lecture #5. I will add more lessons and homework sets over the next week.

# Welcome to ES405L

Welcome to the ES405L website. I have posted Homeworks 1-4, Lectures 1-4 and the Syllabus. I’ll post more over the next few days.