What is a metre: from Fizzics.org
The international base unit of length, accepted as the world wide standard, but where did it come from, who decided and how exactly is it defined.
From playlist Units of measurement
Electronic measurement equipment and multimeters - Part 2:Clamp meter
A list of my multimeters can be purchased here: http://astore.amazon.com/m0711-20?_encoding=UTF8&node=5 In this video series I show different measurement equipment (multimeters, etc) and why / how I use them. In later videos I'll explore different features and highlight pro's and con's
From playlist Electronic Measurement Equipment
Multimeter Review / DMM Review / buyers guide / tutorial
A list of my multimeters can be purchased here: http://astore.amazon.com/m0711-20?_encoding=UTF8&node=5 In this video I do a review of several digital multimeters. I compare features and functionality. I explain safety features, number of digits, display count, accuracy and resolution. Th
From playlist Multimeter reviews, buyers guide and comparisons.
What is the definition of scientific notation
👉 Learn about scientific notations. Scientific notation is a convenient way of writing very large or very small numbers. A number written in scientific notation is of the form a * 10^n where a is the first non-zero number between 1 and 10, (1 included) and n is the number of digits up to t
From playlist Scientific Notation | Learn About
Electronic measurement equipment and multimeters - Part 1
In this video series I show different measurement equipment (multimeters, etc) and why / how I use them. In later videos I'll explore different features and highlight pro's and con's. A list of my multimeters can be purchased here: http://astore.amazon.com/m0711-20?_encoding=UTF8&node=
From playlist Electronic Measurement Equipment
EEVblog #115 - Extech 380193 LCR Meter Review
Dave reviews the $199 Extech 380193 Handheld LCR meter. If you like it you can buy it here: http://www.amazon.com/gp/product/B00023RTYU?ie=UTF8&tag=ee04-20 And for those curious, here are schematics: http://home.comcast.net/~joegwinn/
From playlist LCR Meter Reviews
EEVblog #26 - Multimeter Tutorial - Counts, Accuracy, Resolution & Calibration
A tutorial about digital multimeter measurement display counts, accuracy, and calibration.
From playlist Calibration & Standards
Vernier caliper / diameter and length of daily used objects.
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From playlist Fine Measurements
HITB SecConf 2009 Malaysia: Hardware is the New Software 5/6
Clip 5/6 Speaker: Joe Grand aka Kingpin (President, Grand Idea Studio) Society thrives on an ever increasing use of technology. Electronics are embedded into nearly everything we touch. Hardware products are being relied on for security-related applications and are inherently trusted,
From playlist Hack In The Box Malaysia 2009
#198 Laser Speed Gun Project with Range Finder and ESP32 (Distance Meter)
Laser range sensors can measure long distances with high precision. Today we try to build not only such a range sensor. We want to use it also as laser speed gun. Will it better than our radar sensor? In video #181 we tried to measure speed using a cheap radar sensor. This project is stil
From playlist ESP32
EEVblog #137 - BK Precision 879B Handheld LCR Meter Review
Dave reviews the new design BK Precision 879B handheld LCR meter. How does it differ from the legacy Escort design?
From playlist LCR Meter Reviews
MegaFavNumbers - A number with 19729 digits
This video is about my MegaFavNumber. It has 19729 digits, and it is a power of two. [This link is now broken, and I can't find it anywhere else. :( ] See all the digits here: https://sites.google.com/site/largenumbers/home/appendix/a/numbers/265536 The OEIS sequence I mentioned: https:/
From playlist MegaFavNumbers
DEFCON 18: Wardriving the Smart Grid: Practical Approaches to Attacking Utility Packet Radios 2/4
Speakers: Shawn Moyer, Nathan Keltner If you haven't just emerged from a coma, you probably have some idea of the multifaceted attack surface that the inevitable modernization of power transmission and distribution is rapidly introducing What you may *not* be thinking about just yet,
From playlist DEFCON 18-2
EEVblog #1057 - µCurrent Murphy
Dave investigates a problem with a recent batch of uCurrents, something that WASN'T supposed to happen! A rare look at a real world combination of design, manufacturing, production testing, and procurement problems. Follow-up fix: https://www.youtube.com/watch?v=l2LBkXxN81Y Forum: http:/
From playlist Repairs
Wolfram Language: Developing with Devices
The Wolfram Language provides a streamlined framework for connecting to external devices. This session shows off the possibilities with a recreational AR.Drone quadricopter, the Raspberry Pi, and Arduino Uno. For more training resources, please visit: http://www.wolfram.com/Training/
From playlist Geek Out with Wolfram Virtual Workshop 2014
SOURCE Boston 2009: Wireless Sensor Networking As An Asset And A Liability
Speaker: Travis Goodspeed Wireless Sensor Networking (WSN) technology, as typified by Zigbee and ISA100, makes use of ultra-low power microcontrollers and LPAN radios to form self-sufficient networks. A battery-powered network can survive for a year with today's technology, with lifetimes
From playlist Latest uploads
Building an IoT Humidity Sensor
Let's build a MySensors Humidity Sensor to test out the Serial Gateway and Vera integration. We'll create a MySensors Humidity (and temperature) sensor device for under US$10 and get it installed on a VeraLite home automation controller in this video. This sensor communicates with the
From playlist IoT
DEFCON 20: Looking Into The Eye Of The Meter
Speaker: CUTAWAY INGUARDIANS, INC. When you look at a Smart Meter, it practically winks at you. Their Optical Port calls to you. It calls to criminals as well. But how do criminals interact with it? We will show you how they look into the eye of the meter. More specifically, this presenta
From playlist DEFCON 20
EEVblog #912 - BM235 Multimeter Reverse Engineering
What is the main chipset used in the EEVblog BM235 Multimeter? Dave finds out. http://www.ic-fortune.com/ http://www.cyrustek.com.tw/ http://www.hycontek.com/ http://www.hycontek.com/attachments/DMM/DS-HY12P65_EN.pdf Forum: http://www.eevblog.com/forum/blog/eevblog-912-bm235-multimeter-re
From playlist Reverse Engineering
When resolution really does count! - Brymen TBM867 / BM867 Multimeter
A list of my multimeters can be purchased here: http://astore.amazon.com/m0711-20?_encoding=UTF8&node=5 This is a quick demonstration on how a high resolution / high count multimeter can be useful. TBM867 / BM867 Multimeter 50 000 / 500 000 count digital multimeter Solar powered cloc
From playlist Multimeter testing / issues