Reviews Working Principle

Single Cylinder Sterling Engine Model, Motor Steam Heat Education Physics Science Experiment Model Toy Kit Model Steam Power Lab Teaching Tool

  • The Stirling engine model is made of high-quality stainless steel, with strong structure, durability and good thermal conductivity..
  • The working principle of the Stirling engine is to output power through a cycle of cooling, compression, heat absorption, and expansion of the working medium in the cylinder..
  • The Stirling engine operates by cyclically compressing and expanding air or other gases (working fluids) at different temperatures, thereby converting thermal energy into mechanical work..
  • By using the manual operation of the model to do experiments, you can observe the entire operating process of the Stirling engine, understand the working principle of the Stirling engine more intuitively, and use it to learn rich and colorful physics knowledge..
  • As a child's physics and mechanical learning enlightenment toy model, it can encourage children to stimulate more innovative consciousness and abilities..
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Sunnym 12V-24V 5.8GHz 360 Degree Microwave Motion Sensor Body Motion Sensor Induction Switch for LED Light Switch White

  • 1. This product is a sensor for moving objects. It is based on Doppler principle and technology, using antennas and high-performance microchips. It is....
  • 3. The microwave sensor uses the Doppler principle to transmit and receive high-frequency microwave signals (accurately perceive the movement of....
  • 2. The detection range of the sensor is 360°, its working frequency is 5.8GHz, and it is in a stable working state (stable working temperature:....
  • 4. When someone enters the sensing detection range (within a diameter of 16m), the load lamp lights up.
  • when the person passes through the sensing....
  • 5. This product can be set to not light up during the day and light up only when there are people at night.
  • it can also be set to light up at any time....
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Mini-Ductor Venom (MDV-777)

  • 【Working Principle】Through the principle of electromagnetic induction, the easy to magnetize metal bolts/nuts within the working range of the coil are heated, so that the bolts are heated and expanded, so as to quickly take out the bolts. No open flame cause by the heating, to ensure your working environment in safe..
  • 【Reasonable Design】The built-in cooling fan can effectively prevent the heating device from overheating, can protect heat sensitive components and prolong the service life of equipment.
  • The built-in LED lights at the end allowing you to work smoothly in the dark.
  • Granular non-slip handle is ergonomically designed for a more comfortable grip..
  • 【Wide Application】 The magnetic induction heater kit mainly used for heating threaded nuts and rusty screws to loosen them. It can also be used for automobiles, machinery, and various small Heat treatment of metal parts such as gears, pulleys, pulley, bearings, etc..
  • 【With 3 Coils】 With 3 different sizes of coils, a variety of coil models and sizes can be adapted to work requirements in many ways. Make your workflow smoother..
  • 【After-Sales Service】If you are confused about the quality of the product or have any other questions, you can email us and we will be happy to solve the prob....
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Ground Loop Noise Isolator for Car Audio/Home Stereo System with 3.5mm Audio Cable Black

  • COMPACT AND PORTABLE : Being so mini and light-weight (2.01*0.59*0.59 IN, 0.99 OZ), this little gadget does not take much space and can be easily....
  • COMPATIBLE MODELS : Works with any portable device that has 3.5mm audio jacks, for your Car Audio System/Home Stereo, when grounding issues persist.....
  • ELIMINATING BUZZING NOISE : Eliminating the buzzing noise, caused by ground loops which happens when the audio source and the speaker use the same....
  • NOTE: The Ground Loop Isolator connect to the AUX Jack in car to eliminate noise.You will enjoy good quality sound when use it with Ground Loop Noise....
  • WORKING PRINCIPLE : The working principle of this noise isolator is to achieve a clear speech/music by eliminating the current noise in some car....
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Solary Magnetic Induction Heater Kit, 1000W 110V Flameless Induction Heater with 4 Coil for Rusty Screw Removing

  • 【Working Principle】Through the principle of electromagnetic induction, the easy to magnetize metal bolts/nuts within the working range of the coil are heated, so that the bolts are heated and expanded, so as to quickly take out the bolts. No open flame cause by the heating, to ensure your working environment in safe..
  • 【Reasonable Design】The built-in cooling fan can effectively prevent the heating device from overheating, can protect heat sensitive components and prolong the service life of equipment.
  • The built-in LED lights at the end allowing you to work smoothly in the dark.
  • Granular non-slip handle is ergonomically designed for a more comfortable grip..
  • 【With 4 Coils】 With 4 different sizes of coils, a variety of coil models and sizes can be adapted to work requirements in many ways. Make your workflow smoother..
  • 【Wide Application】 The magnetic induction heater kit mainly used for heating threaded nuts and rusty screws to loosen them. It can also be used for automobiles, machinery, and various small Heat treatment of metal parts such as gears, pulleys, pulley, bearings, etc..
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Ground Loop Noise Isolator for Car Audio/Home Stereo System with 3.5mm Audio Cable

  • ELIMINATING BUZZING NOISE : Eliminating the buzzing noise, caused by ground loops which happens when the audio source and the speaker use the same power source in some car speakers / home stereo systems when using the Bluetooth receiver..
  • COMPATIBLE MODELS : Works with any portable device that has 3.5mm audio jacks, for your Car Audio System/Home Stereo, when grounding issues persist. Also used with a Bluetooth Receiver/Bluetooth Hands-free Car Kit in your Car Audio System/Home Stereo..
  • NOTE: The Ground Loop Isolator connect to the AUX Jack in car to eliminate noise.You will enjoy good quality sound when use it with Ground Loop Noise isolator..
  • WORKING PRINCIPLE : The working principle of this noise isolator is to achieve a clear speech/music by eliminating the current noise in some car speakers / home stereo systems..
  • COMPACT AND PORTABLE : Being so mini and light-weight (2.01*0.59*0.59 IN, 0.99 OZ), this little gadget does not take much space and can be easily taken away..
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DC 3-24V 10mA Active Piezo, Transducers Piezo Transducers Buzzer Electronic Buzzer Continuous Sound with Lead Wire, 23x12mm, 85 to 95 Decibels

  • Buzzer Sounder Alarm-Convenient Control-Buzzer is an electronic sounder with integration structure. It be controlled conveniently..
  • Buzzer Alert Buzzer-Constitution-Piezoelectric buzzer is mainly made up by multivibrator, piezoelectric buzzer chip, impedance matching unit, resonator and shell..
  • Sound Buzzer 24vdc-Working Principle-Multivibrator is composed of transistors or integrated circuits. When switched on, multivibrator vibrates and outputs audio signal..
  • buzzer" Piezo Transducers Electronic Buzzer Alarm Electromagnetic Active Buzzer Continous Beep Continuously Alarm Tone Mini Active Piezo Buzzers Piezo Transducers-Working Principle-Impedance matcher drives piezoelectric buzzer sound. Connected to rated power and the buzzer will sound continuously..
  • Electronic Buzzer Alarm-Widely Application-This Buzzer is used DC power, it is widely used on computers, printers, photocopiers, alarm, electronic toys, automotive electronic equipment, telephone, timer and other electronic products..
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GBSTORE Blue 13\ Sucking Vacuum Desoldering Pump Solder Sucker Remover Hand Tool

  • Circuit maintenance, integrated circuit disassembly, desoldering necessary tool..
  • Quality material,high heat-resisting suction nozzle..
  • Working principle:Working like Needle Tubing..
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ACEIRMC 10pcs TCRT5000 Infrared Reflective Sensor IR Photoelectric Switch Barrier Line Obstacle Avoidance Module Tracing Sensor Tracing Module for Arduino Smart Car Robot

  • Accurate and Reliable: detection, stable, good consistency.
  • Quick response: response time is less than 10 seconds when the scene changes..
  • Easy integration: UART output (or IO output can be customized), fan built-in.
  • The SDS011 using principle of scattering,can get the particle concentration between 0.3 to 10um in the air.It with digital output and built-in fan is stable and reliable..
  • Working principle:Using scattering principle:Light scattering can be induced when particles go through the detecting area.
  • The scattered light is transformed into electrical signals and these signals will be amplified and processed PM sensor SDS011 High precision laser pm2.5 air quality detection sensor module Super dust dust sensors, digital output Note : It supports 5V power supply voltage, output signal TTL Is 5V, higher than this voltage, the product will burn out.
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BMVVQUE Kinetic Art Perpetual Motion Machine，Newest Model No Sound Rolling Ball Perpetual Marble Machine, Science Physics Gadget ，Decompression Cycle Ornament，Office Home Ornament (Black-1)

  • High quality-The wooden marble machine desktop gadget toy is made of high-quality wood material, and the wire is made of stainless steel, which is durable and beautiful in appearance. Reliable, sturdy accessories for table sports decoration. Use kinetic energy to keep the ball in an infinite loop..
  • Working Principle-The working principle, using the principles of dynamics and gravity to make the metal balls constantly toss and fall..
  • Desktop Decor – Jumping little metal balls are works of art on your desk, cute, simple and modern design, easy to attract people’s attention..
  • Explore Imagination-Surprise your friends with this ingenious product and let them use their brains to explore their imaginations.Decorate your office space with this marble machine to show some personality and express your love of science and physics. Also it is available for meditation and fun watching!.
  • Wide Application-Suitable for psychology, relieve work fatigue and stress. It could be a great desk toy for an adult office.Perfect for birthday, holiday, Christmas, father’s day gift..
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BinaryABC Magic Spinning Pen ZG-5028 V.7.0 20CM Extra Long Body,1Pcs Random Color

  • ★ Three in one function: (1) Ball type: suitable for health care and facial beauty (2) Node type: suitable for part of body pain (3) Ball type:....
  • ★ Working principle: The probe part of the acupuncture pen is based on the principle of single-phase electricity, which must rely on the body's own....
  • ★ Instructions: This product has 9 adjustable intensity control functions. When the power supply of the control is 0, it will flash red for a few....
  • ★ Specifications: Integrating modern high-quality massage pens is beneficial to health. The operation is simple, easy to carry, safe and effective,....
  • ★ Warranty: If the product cannot be used directly or there is a problem within 1 month, please contact us directly to help you solve the problem....
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kweiny Diesel Common Rail 18mm Fuel Injector Cap Block Off Tool

  • Main Usage: Identification of faulty diesel fuel injectors and diagnosis of engine cylinder knocking sounds.
  • Compatibility: Fit with 2006-2011 6.6L Chevy/GMC Duramax (LBZ & LMM) and for Dodge/Cummins 2007-2017 6.7L, Renault engine system, and other vehicles with a 18mm fuel line nut.
  • Working principle: Block the fuel supply to the detected cylinder, and sealed diesel common rail pipe. Make the detected cylinder temporarily stop working.
  • Specification: M18x1.5mm internal thread nut.
  • Material: Carbon tool steel, surface antirust..
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kweiny Diesel Common Rail 14mm Fuel Injector Cap Block Off Tool

  • Main Usage: Identification of faulty diesel fuel injectors and diagnosis of engine cylinder knocking sounds.
  • Compatibility: Fit with 2001-2005 6.6L Chevy/GMC Duramax and for Dodge/Cummins 2003-2007 5.9L, for Bosch diesel common rail system, and other vehicles with a 14mm fuel line nut.
  • Working principle: Block the fuel supply to the detected cylinder, and sealed diesel common rail pipe. Make the detected cylinder temporarily stop working.
  • Specification: M14x1.5mm internal thread nut.
  • Material: Carbon tool steel, surface antirust..
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