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3Dman

@three-d

99 followers 43 following 90 posts Reputation 41.54

3Dman
@three-d Feb 24, 2018, 6:45 PM UTC

Pyrometer - Non Contact Temperature Measurement

Introduction Hello, and welcome back. In a prior post I described heat energy versus temperature, and how to measure temperature by contact methods. While a contact sensor is impacted by all forms of…

96 upvotes 7 replies $1.75
3Dman
@three-d Feb 11, 2018, 8:38 AM UTC

Temperature Measurement - Thermisters, RTD, & Thermocouples

Introduction Hello, welcome back to my BLOG. This post includes common methods to sense temperature along with some history of the units we use to give the measurement meaning. The scope is on contac…

5 upvotes 0 replies $0.67
3Dman
@three-d Feb 5, 2018, 8:13 AM UTC

Heat Energy - Transfer and Temperature

Overview The scope of this post is to provide a fundamental understanding of what heat is and how it is transferred. The post describes heat as energy, and defines temperature as a measure of heat en…

59 upvotes 4 replies $3.85
3Dman
@three-d Jan 23, 2018, 1:07 AM UTC

Xc - Capacitors in AC Series RC Circuit

Introduction I published this video to help students awhile back. It is geared for people that have been introduced to electricity and have a foundation in Ohm's law. It is also best if you understan…

3 upvotes 0 replies $0.03
3Dman
@three-d Jan 22, 2018, 1:48 AM UTC

The Value of Crypto – Utility vs Speculation

The Value of Crypto – Utility vs Speculation I have supported the utility of Bitcoin for many years. For me the use case is more about the utility as currency. It is hard to believe how fast the time…

3 upvotes 2 replies $0.00
3Dman
@three-d Jan 20, 2018, 3:31 AM UTC

Using RFID with an Arduino

Introduction This is a video I made demonstrating the use of a RFID module with an Arduino development board. The demonstration shows how to detect a specific tag and control a RGB LED. In my example…

4 upvotes 0 replies $0.00
3Dman
@three-d Jan 18, 2018, 1:34 AM UTC

The Upcomming Ice Age and Amature Radio

Ice Age - Or Worldwide HF DX? Back in 2012-2014 most people did not know that we were in a solar maximum. If they did it was something they read about without impacting daily life. The solar maximum…

3 upvotes 1 replies $0.00
3Dman
@three-d Jan 14, 2018, 2:00 AM UTC

Flyback Diode - Inductive Kickback and Supression

Flyback Diodes I posted this on YT awhile back. There are some students talking in the background, but once I get going the audios is better. This videos shows the schematic and demonstrates the oper…

3 upvotes 3 replies $0.01
3Dman
@three-d Jan 11, 2018, 3:10 AM UTC

#introduceyourself - Hello World

My name is Joe and I am new to Steemit. I have over 20 years experience with electronics engineering and computers. While I enjoy my work, I do a lot of hobby based projects with open source platform…

3 upvotes 2 replies $0.00