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
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Ebyte E810-DTU(CAN-ETH) Smart Protocol Conversion GPRS Modem Modbus to TCP/IP CAN Bus Ethernet interface Modbus RTU Gateway
$96.54Smart ModuleAdd to cartSpecificationItemsDescriptionInterfaceEthernet:RJ45, 10/100MbpsCAN:1*5*3.81, ScrewingNetwork protocolIP,TCP/UDP, ARP, ICMP, IPV4Simple transparent transmissionTCP Server,TCP Client,UDP Server,UDP Client,Cloud transparent transmissionData Packing MechanismByte packing and time packingTCP Server connectionSupporting up to 6 TCP connectionsIP accessStatic IP,DHCPDNSSupportCAN Transmit baud rateA total of 15 baud rates from 6Kbps-1000KbpsCAN filtering modeUp to 8 filtration modesCAN data layoutProtocol formatParameter configurationWeb page configurationWorking current82mA@12VVoltage8V~28VDC,Over 28V may …
TP4056 Micro USB 5V 1A Lithium Battery Charging Protection Board TE585 Lipo Charger Module
$4.36Battery Protection ModuleAdd to cartSpecificationProduct name:Lithium Battery Charging BoardInput voltage:5VMaximum charging current:1000 mACharge cut-off voltage:4.2 V + / – 1%Battery overcharge protection voltage:2.5 VBattery over-current protection current:3 AInput interface:micro USBSize:27mm x 17mmHow to Use1. Input port with micro 5pin USB female, can directly use mobile charger for input to the lithium battery,and still retain the input voltage wiring solder …
TP4056 Micro USB 5V 1A Lithium Battery Charging Protection Board TE585 Lipo Charger ModuleRead More
10pcs 10-50W 15Wx2 Audio Power Amplifier DC 6 -18V TDA7297 Module Double Channel
$77.83Amplifier BoardAdd to cartFeatures– Working Voltage:6-18V DC– The onboard TDA7297 audio power amplifier chip, double channel 15WX15W– Speaker for European 4-8 10-50W use– Main pin has led chip, convenient external control device, the onboard– 5.08 (mm) distance between two p terminal 2 road, around a track connection output respectively– The onboard dial potentiometer, output size can adjust the …
10pcs 10-50W 15Wx2 Audio Power Amplifier DC 6 -18V TDA7297 Module Double ChannelRead More
LILYGO TTGO ESP32-Micro32 ESP-32-PICO WIFI Wireless bluetooth Control Module
$20.57Smart ModuleAdd to cartFeatureSeries:ESP32Model:ESP32-+MicroType:Regulator ICPower:1WApplication areas:household appliances, smart home, wearable devices, Internet of Things IoTDescriptionsESP32 vcc range:2.2V-3 6VVBAT:direct to battery (and charger)VUSB:direct to USB(5V)VCC:Output of regulator 3.3V/600mAUp to 250mA during RF transmissionsWirelessWifi:802.11 b/g/n/e/iWPA/WPA2/WPA2-Enterprise/SPSbluetooth:bluetooth 42BLESize:1.9×1.3cm/0.75×0.51inchNotePlease allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the …
LILYGO TTGO ESP32-Micro32 ESP-32-PICO WIFI Wireless bluetooth Control ModuleRead More
50Pcs 915MHz SW915-TH12 Copper Spring Antenna for Wireless Communication Module
$28.90Module ComponentsAdd to cartFeaturesSW915-TH12 copper spring antenna is a special antenna for 915MHz wireless communication system design. The antenna has good standing wave ratio, compact shape, ingenious structure, convenient installation, stable performance and good anti-vibration and aging ability.SpecificationFrequency range:915 MHz (+/-5)Standing wave ratioInput impedance:50Maximum power:5WGain:2.15 dBiWeight:1gHeight:12.5+/-1 mm (9T)Antenna color:copperInterface Form:Direct WeldingPackage included50 x Antenna
5Pcs 360 Degree Rotary Encoder Module Encoding Module
$11.83Other Module BoardAdd to cartFunctional characteristics and technical parameters 1)Nominal voltage:DC 5V 2)Wire A, B:0.5mA (Max 5mA; Min 0.5mA) 3)Common wire:1mA (Max 10mA; Min 0.5mA) 4)Temperature range:-30→ to+80→ 5)Output signal A , B phase position output square wave, when clockwise rotation, A phase position pull ahead B phase position 90 °, when anti-clockwise, B phase position pull ahead A …
5Pcs 360 Degree Rotary Encoder Module Encoding ModuleRead More
RD21F Delay Relay Module Power for Delay off Fan Module AC 100V-220V Time 0.2S-300min Adjustable Delay
$13.11Relay ModuleAdd to cartSpecificationsVoltage:100V-220V ACPower consumptionOutput:The output voltage is the same as the input voltage, and the maximum power supply capacity is 10A.Size:88* 36 * 22mmScrew hole:center distance 83mm * 31mm, aperture 3.2mmTime range:(4 files, selected by switch)First gear:range 0.2 seconds-30 seconds, accuracy:0.1 secondsSecond gear:range 0.2 seconds – 300 seconds (5 minutes), accuracy:0.3 secondsThird gear:range 0.2 seconds-30 minutes, …