Category: Physics
Showing 33–48 of 198 results
20X 40X 60X Astronomical Telescope Eyepieces w/ Tripod for Kids Beginner
$48.59PhysicsAdd to cartSpecificationName:Astronomical Telescope Eyepieces For Kids BeginnerModel:851716Material:plasticSize:43x30cmColor:purple, blue, yellow(Random)Feature* Made of high quality plastic,light weight,easy to carry and durable.* With 20X,40X,60X three different magnification eyepiece to meet your diverse needs.* Easy to assemble and use.* Can rotate in multiple directions, visual diversification, more clearly to see the sky or long distance aims.* Stimulate children’s interest in …
20X 40X 60X Astronomical Telescope Eyepieces w/ Tripod for Kids BeginnerRead More
220V 2100W Mini induction Heating Machine Heater Air Water Double Cooling DIY Device Science Model Kit
$953.60PhysicsAdd to cartSpecificationWeight:3KGSize:15*20*13cmVoltage:Power Input 220V, Circuit Board Input 54V-12VPower:2100WFeatures1. 2100W heating power, and designed with temperature protection switch, when the temperature is too high, the circuit will be cut off automatically to achieve the purpose of cooling.2. Integrated construction, simplify assembly steps and easy to use.3. Make full use of water cooling, efficient heat dissipation + air …
23PCS Children’s Maintenance Tools Kit Set Repair Tool Suitcase Kids’ Educational Repair Toys Gift
$44.54PhysicsAdd to cartDescriptionBoys must like to use electric tools to repair things, just like dad, like to use small electric drills, small hammers, to satisfy the experience of fun in the jingle, and to accumulate life experience. Have your own toolbox to promote your child’s imagination and exercise your child’s hand-eye coordination. Every time a child uses …
258 Pcs Electric Drill Puzzle Toys Set Trolley Case Assembling Educational Toys No Electricity
$48.59PhysicsAdd to cartSpecificationsMaterial:PlasticSize:19×12.5x31cm (7.5×4.9×12.2in)Weight:1kgNumber of accessories:258pcsFeatures– Rich and bright colors to help babies identify colors.– The corners are smooth and round, without burrs, and will not hurt your baby’s hands.– The floor openings are evenly located, which is fun and not stuck.– Three-dimensional splicing, with nuts, will not fall off.– Large space, can accommodate screwdrivers, electric drills, …
25cm French Curve Drawing Template KT Soft Plastic Design Drafting Stencil Ruler
$14.16PhysicsAdd to cartSpecificationMaterial:K Plastic (Soft Plastic)Type:French CurveLength:25cmWidth:11cmFeatures– Made from transparent orange, soft plastic. More flexible than traditional green plastic, can be bent and not easy to break. – The rate of transparency allows you to see the drawing below template for easy positioning.– The templates eliminate the time consuming job of drawing curves, make it more efficient …
25cm French Curve Drawing Template KT Soft Plastic Design Drafting Stencil RulerRead More
2Pcs indium Tin Oxide Transparent Conductive Glass Slide 20x20x1.1mm
$18.21PhysicsAdd to cartDescription2Pcs Indium Tin Oxide Transparent Conductive Glass Slide 20x20x1.1mmSpecificationMaterial:GlassColor:TransparentSize:20 x 20 x 1.1mm/0.8inch x 0.8inchSheet resistance:5.4-6.8 ohm/squareTransparency:78.8%SIO2 Film thickness:238A-262AITO Film thickness:2020-2400AEtching performance:340SAlkali resistance:103%Acid resistance:103%Heat resistance:185%Abrasion resistance:105%FeaturesIndium Tin Oxide ( ITO ) glass has the property of low sheet resistance and high transmittance.It is widely used in the production and research of OLED.Package Included2* Transparent Conductive …
2Pcs indium Tin Oxide Transparent Conductive Glass Slide 20x20x1.1mmRead More
3.5/10x Hand Held Folding Magnifying Glass Lens 8LED Light Reading Reparing Magnifier Antiques Appreciation
$24.29PhysicsAdd to cartSpecificationsMaterial:ABS, Acrylic, MetalColor:WhitePower by:USB Cable or 3 * AAA Batteries (not included)Type:3.5x+10x magnifierSize:220*110*32mm (8.6inchx4.3inchx1.2inch), with 8 LED lightFeatures– Suitable for reading books/magazines/newspapers/maps, reading the fine prints, nature exploration, coins & stamps collection, etc.– Best gifts for seniors, kids and grandparents, foldable to stand up on desk & perfect for long time reading.– Widely used in …
300mm Length Carbon Steel Wing Divider Pencil Marking Compass Circle Maker Adjustable Scriber
$62.76PhysicsAdd to cartSpecification– Material:Carbon Steel– Color:Silver– Length:Approx. 300mm/ 11.81inchFeatures– With a fixing device, so the pencil can be loaded.– Made of carbon steel, high strength and hardness, durable for using.– Small size, portable and easy to use– Professional and technical.– Fit for drawing a circle.– Suitable for craftsman, architect, student, artist, carpenters, etc.Package Included– 1 x Divider …
30cm French Curve Drawing Template KT Soft Plastic Design Drafting Stencil Ruler
$20.24PhysicsAdd to cartSpecificationMaterial:K Plastic (Soft Plastic)Type:French CurveLength:30cmWidth:14cmFeatures– Made from transparent orange, soft plastic. More flexible than traditional green plastic, can be bent and not easy to break. – The rate of transparency allows you to see the drawing below template for easy positioning.– The templates eliminate the time consuming job of drawing curves, make it more efficient …
30cm French Curve Drawing Template KT Soft Plastic Design Drafting Stencil RulerRead More
30X Illuminated Large Magnifier Handheld 12 LED Lighted Magnifying Glass for Seniors Reading Soldering Jewelry Exploring
$36.44PhysicsAdd to cart30X Illuminated Large Magnifier Handheld 12 LED Lighted Magnifying Glass for Seniors Reading Soldering Inspection Coins Jewelry ExploringSpecificationMagnification:30XColor:WhiteMaterials:Acrylic Frame & ABSLarge Lens Diameter:107mm (4.21inch)Light Resource:12 LED LightsBatteries:2 AA Batteries (Not Included)Features1. High Power Magnification:This magnifying compact mirror equipped double glass lenses, provide 30X magnification effect, would help someone with low vision see better.2. LED Magnifying …
316PCS 3D Creative Electric Drill Set Drilling Screw Mosaic Puzzle Toys Christmas Gift
$60.74PhysicsAdd to cart316PCS 3D Creative Electric Drill Set Drilling Screw Mosaic Puzzle Toys Christmas GiftSpecificationsName:DIY Puzzle ToyMaterial:ABSQuantity:316PCSColor:Multi-colorExpand Size:48x30cm/18.72×11.70inchFold size:24×6.5x30cm/9.36×2.54×11.70inch(1cm=10mm=0.39inch)Measurement Details in the attached picture.FeaturesLarge Storage capacity,Hand-held portable design, built-in large-capacity storage, accessories are not afraid to lose, cultivate children’s good habit of organizingSimple disassembly and use of arc design to protect your baby’s healthVarious shapes of building …
316PCS 3D Creative Electric Drill Set Drilling Screw Mosaic Puzzle Toys Christmas GiftRead More
35cm French Curve Drawing Template KT Soft Plastic Design Drafting Stencil Ruler
$14.18PhysicsAdd to cartSpecificationMaterial:K Plastic (Soft Plastic)Type:French CurveLength:35cmWidth:17cmFeatures– Made from transparent orange, soft plastic. More flexible than traditional green plastic, can be bent and not easy to break. – The rate of transparency allows you to see the drawing below template for easy positioning.– The templates eliminate the time consuming job of drawing curves, make it more efficient …
35cm French Curve Drawing Template KT Soft Plastic Design Drafting Stencil RulerRead More
Customers Also Viewed
LM338K 3A Voltage Digital Display High Power Adjustable Linear Module Buck Step Down Regulator
$29.73Power Supply ModuleAdd to cartParameterBoard size:9.6cm x 5.8cmDC input:3-35 voltsAC input:1-25 voltsOutput DC:1.2-30 volts; kit weight:155 gramsMaximum current:3 amps, (LM338K theory can go to 5A, we use domestic LM338K, up to 3A, import disassemble up to 5A)Input and output minimum differential:3 voltsMaximum power consumption:50WAbout LM338K maximum power calculationFor example, input 25V, output 18v load current 2A, then the power …
5Pcs Yushun LS-5S 24V 5W AC to DC Switching Power Supply Module Monitoring Power Supply with White Shell
$32.16Power Supply ModuleAdd to cartFeatures1. Wide input voltage range2. With overload, short circuit and over temperature protection functions3. Small size, high efficiency4. Full load aging test5. Ultra-low output rippleSpecificationBrand:EshionModel:LS-5SVoltage:24V200mA LS-5S24Modulation method:pulse width modulation (PWM) typeTransistor connection mode:single-endedInput voltage:86-264VInput voltage range:100~264V ACOutput /Rated power:5WOutput voltage:24VWork efficiency:75%~76%Output ripple noiseVoltage adjustment rate:÷1%Load regulation rate:÷1%Product Certification:CEOutput current:0.2AFrequency range:47~63HZWorking temperature:-20→~+50→Dimensions:58mm*30mm*22mmWeight:25g(1pcs)Package included5 x Power Supply …
SIM7020C NB-IoT Expansion Board Full Netcom Module Support for Arduino LWM2M/COAP/MQTT/TCP/UDP/HTTP/HTTPS
$52.47Expansion Board & ShieldAdd to cartFeatureOnboard Raspberry Pi interface, can be directly inserted into any version of Raspberry PiSupport LWM2M/COAP/MQTT/TCP/UDP/HTTP/HTTPS and other protocol communicationsSupport domestic OneNET/telecom cloud/aira cloud platformOnboard USB interface, can be used for power supply or software debuggingLead out UART control interface, can be used to connect Arduino/STM32 and other main control boardsOnboard level conversion circuit, the default …
10pcs 3.3V 5V 8 Bit Blue Common Anode LED indicator Display Module DIY Kit
$21.59Display ScreenAdd to cartDescriptionIt can be inserted directly into Breadboard,Ideal for linking up to your Arduiuo UNO Mini Nano Mega2560 DUE Breadboard etc,or others MCU ( AVR STM32 ARM7 ARM9 ARM10 ARM11 PIC C8051 STC MSP430 FPGA/CPLD etc.) SpecificationsColor:BlueWorking Voltage:DC 3-24VPolarity:Common anodeInterface:2.54MM with PIN/2.54MM no PINSize:22.86 x 14.13 x 2.11 mmWeight:1.3gApplicationMCU/ARM/FPGA/Atmega328pPLC MotorElectronic diy kitESP8266/nodemcuNANO/UNO/MEGA2560/BreadboardRaspberry pi 4/robotPackage Incldued10 x …
10pcs 3.3V 5V 8 Bit Blue Common Anode LED indicator Display Module DIY KitRead More
infrared Light Board 42*IR LED Board for CCTV Camera Night Vision 850nm DC12V
$6.55LED BoardAdd to cartDescription– Infrared IR LED boards for CCTV cameras night vision.– Power supply exceeds DC13V may greatly reduce the LEDs operating life.SpecificationsBoard Diameter:60 mminner Diameter:32mmPower Supply:DC12V / 220mA Operation Temperature:-10→ to +50→LED Lamps / Bulbs Size:5mmIR Lights WaveLength:850nmPackage Included1 x 42*IR LED Board for CCTV Camera
10pcs XY-SP5W 5128 Mini Class D Digital Amplifier Board 5W Mono Audio Power Amplifier
$15.27Amplifier BoardAdd to cartFeatures∵ Operating current:>1A∵ Power Output:3~5W∵ Drive Speaker:4~8∵ SNR:85dB@ VDD=5V,Vorms=1V∵ Class D Audio Amplifier∵ Low Distortion, Low Noise FloorNotes1.2.5V to 5.5V operation from a single supply ,and damaged upper 5.5V.2.A 5V/1A DC adapter is recommended to supply the module.3.The circuit will be damaged if the power polarity is oppsite.4.4 3W Speaker is recommended5.With mute fuction, Mute …
10pcs XY-SP5W 5128 Mini Class D Digital Amplifier Board 5W Mono Audio Power AmplifierRead More
10Pcs 2 Key Press Film Switch Module Single Chip Microcomputer Extended Keyboard Electronic Switch Module
$16.11Other Module BoardAdd to cartSpecificationsProduct thickness:1.00mm (+0.02mm)Panel material:PCBack adhesive tape:white glueButton strength:280gTemperature:-15 ° C / +65 ° CCircuit material:0.125mm PET transparentButton package type:button planeButton package height:0.3mmKey life:>100,000 timesLoop resistanceConnector:2.54mm square hole with protective coverSize:40*20mmPackage Included10 x 2 Key Press Film Switch