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Fix Compass Calibration Issues on Android [How-To]


The Right Way to Calibrate Your Compass on Android Full Tutorial: http://gadgethacks.com/how-to/fix-compass-calibration-issues-android-0169285/ Subscribe to Gadget Hacks: http://goo.gl/XagVI…

ISF Calibration: Obsessing Over My TV’s Picture Quality


Jason Dustal (Level II Certified) ISFJasonD65@gmail.com Serving most of Florida Tampa, FL United States 813-833-0942 ISF Certified in 2008 ISF Level II Certified in 2010 ISF Instructor Certified…



The Q500 comes factory calibrated and ready to fly out of the box. But if you do need to re-calirate your aircraft this video tutorial will show you how. For more information visit https://www.yun…

What is a Transducer ?




Transducers play an vital position within the discipline of instrumentation and management engineering. Any vitality in a course of must be transformed from one type into one other kind to make the communication from one rectification sector to a different.

Transducer is a tool which converts one type of vitality into one other kind i.e,. the given non-electrical power is transformed into an electrical vitality.

First let’s focus on about two primary forms of transducers which we use on a regular basis in our industrial life. They’re

Varieties of transducers:

There are two kinds of transducers, they’re:

  1. Energetic transducers
  2. Passive transducers

Energetic transducers:

Lively transducer is a tool which converts the given non-electrical power into electrical vitality by itself. Thermocouple, Photovoltaic cell and extra are the very best examples of the transducers

Passive transducers:

Passive transducer is a tool which converts the given non-electrical power into electrical vitality by exterior pressure. Resistance pressure gauge, Differential Transformer are the examples for the Passive transducers.

Distinction Between Lively & Passive Transducer

The classification of transducers are made out of the next foundation:

Classification of transducers:

1. Based mostly on the bodily phenomenon,

  • Main transducer
  • Secondary transducer

2. Primarily based on the facility kind Classification,

  • Energetic transducer
  • Passive transducer

three. Based mostly on the kind of output the classification of transducers are made,

  • Analog transducer
  • Digital transducer

four. Primarily based on the electrical phenomenon is a greatest Classification of Trasnducer,

  • Resistive transducer
  • Capacitive transducer
  • Inductive transducer
  • Photoelectric transducer
  • Photovoltaic transducer

5. Primarily based on the non-electrical phenomenon Classification of transducer,

  • Linear displacement
  • Rotary displacement

6. Based mostly on the transduction phenomenon,

  • Transducer
  • Inverse transducer.

Issue to be thought of whereas choosing transducer:

• It ought to have excessive enter impedance and low output impedance, to keep away from loading impact.
• It ought to have good decision over is whole chosen vary.
• It have to be extremely delicate to desired sign and insensitive to undesirable sign.
• Ideally small in measurement.
• It ought to have the ability to work n corrosive atmosphere.
• It ought to be capable to face up to stress, shocks, vibrations and so forth..
• It should have excessive diploma of accuracy and repeatability.
• Chosen transducer should be free from errors.

Necessities of a very good transducers

• Smaller in dimension and weight.
• Excessive sensitivity.
• Capacity to face up to environmental situations.
• Low value.

How to Use an SPL Meter to Calibrate Speaker Levels


Level matching your speakers isn’t a topic that gets talked about much these days. With auto-calibration systems like Audyssey MultEQ, Yamaha’s YPAO, Anthem’s ARC, etc., it’s generally…

Calibrating pH Probes


How to calibrate those inexpensive (less than $20) digital pH probes for hydroponics or aquariums.

What is LVDT ?


Linear Variable Displacement Transducer (LVDT):

A really primary transducer which is all the time helpful within the subject of instrumentation, I’ve studied about this in my school days. Now let me clarify concerning the LVDT with its Precept of Operation and I’ll clarify how it’s constructed for its well-known operation and you’ll perceive the working of LVDT.

Precept of LVDT:

LVDT works beneath the precept of mutual induction, and the displacement which is a non-electrical vitality is transformed into an electrical vitality. And the best way how the power is getting transformed is described in working of LVDT in an in depth method.

Development of LVDT:

Linear Variable Displacement Transducer (LVDT)

LVDT consists of a cylindrical former the place it’s surrounded by one main winding within the centre of the previous and the 2 secondary windings on the sides. The variety of turns in each the secondary windings are equal, however they’re reverse to one another, i.e., if the left secondary windings is within the clockwise course, the precise secondary windings will likely be within the anti-clockwise path, therefore the online output voltages would be the distinction in voltages between the 2 secondary coil. The 2 secondary coil is represented as S1 and S2. Esteem iron core is positioned within the centre of the cylindrical former which might transfer in backward and forward movement as proven within the determine. The AC excitation voltage is 5 to 12V and the working frequency is given by 50 to 400 HZ.

Working of LVDT

Let’s research the working of LVDT by splitting the circumstances into three based mostly on the iron core place contained in the insulated former.

Case 1:

On making use of an exterior drive which is the displacement, if the core reminds within the null place itself with out offering any motion then the voltage induced in each the secondary windings are equal which leads to internet output is the same as zero

i.e., Esec1-Esec2=zero

Case 2:

When an exterior pressure is appilied and if the metal iron core tends to maneuver within the left hand aspect route then the emf voltage induced within the secondary coil is larger when in comparison with the emf induced within the secondary coil 2. Subsequently the online output can be Esec1-Esec2

Case three:

When an exterior pressure is utilized and if the metal iron core strikes in the precise hand aspect path then the emf induced within the secondary coil 2 is bigger when in comparison with the emf voltage induced within the secondary coil 1. subsequently the web output voltage shall be Esec2-Esec1

Benefits of LVDT:

  • Infinite decision is current in LVDT
  • Excessive output
  • LVDT offers Excessive sensitivity
  • Superb linearity
  • Ruggedness
  • LVDT Supplies Much less friction
  • Low hysteresis
  • LVDT provides Low energy consumption.

Disadvantages of LVDT:

  • Very excessive displacement is required for producing excessive voltages.
  • Shielding is required since it’s delicate to magnetic area.
  • The efficiency of the transducer will get affected by vibrations
  • Its is enormously affected by temperature modifications.

Functions of LVDT:

  • LVDT is used to measure displacement starting from fraction millimeter to centimeter.
  • Performing as a secondary transducer, LVDT can be utilized as a tool to measure power, weight and stress, and so on..

Seed Drill Calibration


Getting the correct amount of seed planted with a grain drill requires calibrating the drill before planting begins. Jim Johnson, Noble Foundation soils and crops consultant, demonstrates step-by-s…

Manual calibration on a Kossel Delta style 3D Printer with Marlin firmware AKA Bed leveling


My Startup: https://www.indiegogo.com/projects/the-paq-carry-on-travel-bag-backpack#/ Support this channel: https://www.patreon.com/designprototypetest Printer Purchase link: http://bit.ly/2qVGDd…

How to Perform ESC Calibration with Cleanflight or BetaFlight


Huge thanks to Multirotormania.com for sponsoring this how to guide. If you have any questions feel free to leave them below or contact me at Facebook.com/woodysbuilds. If you like this giude…