Using a Low-Pass Filter to Clean Up Noisy Signals

Using a Low-Pass Filter to Clean Up Noisy Signals

Often, you’ll need to acquire signals at very high sample rates. Higher sample rates allow you to capture voltage transients, or events that occur in a very short period of time. And since all channels in WinDaq are sampled at the same rate, you might get the results you’re looking for on some channels, and Read MoreSource: DATAQ…

Chiller Line Reaches 3.5Kw and beyond!

Chillers in liquid cooling loops condition the coolant before it returns to the cold plate and the heat source. The ATS-CHILL V series are re-circulating, vapor compression chillers that offer precise coolant temperature control using a PID controller. ATS iM … Continue reading →Source: Advanced Thermal Solutions…

12 Outstanding Digital Media Campaigns from 2020

Reviewing the year’s best digital marketing campaigns from established brands can generate ideas for your own efforts. Here is a list of outstanding digital marketing campaigns from 2020. The campaigns are mostly tied to Covid-19, working remotely, the presidential election,…

The YouTube Memory Hole

Yesterday The American Spectator published my article on censorship of unauthorized thought by YouTube. YouTube is a subsidiary of Google, one of the cyber companies that control what content we can access on line. Readers of this blog may recall My Excellent D.C. Adventure (posted on November 9, 2019) about my wife and I attending […]
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FREE 46 Hour HVAC Video Course

A FREE Online Course from NPTEL:  Lectures by Prof.M.Ramgopal,  Department of Mechanical Engineering, IIT Kharagpur, India

Note: The links at NPTEL have changed as have those at YouTube for this and many other courses. They are all apparently still available on YouTube. So, the YouTube links have been added where possible.
If you need to find the links, use the YouTube search engine to put in the course title or lecturer. (It’s a pretty painless way to go since Google owns YouTube)
On YouTube:

Lectures in this course: 46
Lecture 1 – History of Refrigeration

YouTube – 166,125 views

Thermoelectric Thermometry – Lecture 11

The Third Lecture in the 11 Lecture Sub-series on Temperature Measurement. Also online at and NPTEL at: Lecturers for these videos are Prof. Shunmugam M. S., Department of Mechanical Engineering , IIT Madras.(email: and.Prof. S.P. Venkateshan, Department…