Search results for "school electronics"

1. Highly sensitive chip, increase the scope of exploration and broaden the frequency of exploration2. Intelligent detection, automatic identification of suspicious signals, built-in memory mode, suspicious signals accumulatively 5 times, the device automatically alarms3. Combine the filter lens to quickly find the candid camera4. LED infrared scanning lamp beads, the light is stronger and the distance is longer5. Battery capacity: 3500mAh6. Features: One machine with multiple probes, strong anti-interference, portable and easy to carry, long battery life, long-distance detection, super high sensitivity7. Charging method: USB charging8. Charging time: 1-2 hours9. Scope of application: car detection, indoor, outdoor, meeting room, hotel10. Working range: 0.1-10m11. Detection frequency band: 1MHz to 6.5GHz12. Continuous working time: 8-10 hours13. Working current: 30mA14. Detection range: 40 square meters15. Product accessories: packing box, detector, infrared detector, USB charging cable, earphone, manual16. Size: 14x6.2x3cm17. Weight: 400gSpecification: Package Weight One Package Weight 0.41kgs / 0.91lb One Package Size 16cm * 8cm * 6cm / 6.3inch * 3.15inch * 2.36inch Qty per Carton 60 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 60 pcs = 10620 pcs40HQ: 412 cartons * 60 pcs = 24720 pcs

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1. The RP2350A microcontroller chip designed with Raspberry Pi2. Unique dual-core, dual-architecture, equipped with dual-core ARM Cortex-M33 processor and dual-core Hazard3 RISC-V processor, with clock operating frequencies both reaching up to 150 MHz, supporting users to switch flexibly between the two architectures3. Built-in 520KB SRAM, on-board 16MB on-chip Flash4. Adopting Type-C interface, no need to worry about the front or back insertion5. Onboard 1.54-inch LCD screen, 240 x 240 resolution, 65K color6. USB1.1 host and slave device support7. Supports low-power sleep and hibernation mode8. Can be recognized as a large-capacity storage device for drag-and-drop program download via USB9. Exposed 4 multi-functional GPIO pins10. 1 I2C, 1 UART, 2 12-bit ADC, and 2 controllable PWM channels13. Precise on-chip clock and timer14. Built-in temperature sensor, capable of real-time monitoring of chip temperature15. 12 programmable I/O (PIO) state machines, used for custom peripheral supportLCD screen parameters1. Display panel: IPS2. Display resolution: 240 x 240 pixels3. Communication interface: 4-Wire SPI4. Touch type: capacitive sensing6. Display size: 1.54 inches7. Display colors: 65K8. Driving IC: ST77899. Touch IC: CST81610. Effective screen size: about 2.772 x 2.772 cmSpecification: Package Weight One Package Weight 0.06kgs / 0.13lb One Package Size 7cm * 7cm * 5cm / 2.76inch * 2.76inch * 1.97inch Qty per Carton 180 Carton Weight 11.00kgs / 24.25lb Carton Size 47cm * 37cm * 30cm / 18.5inch * 14.57inch * 11.81inch Loading Container 20GP: 511 cartons * 180 pcs = 91980 pcs40HQ: 1186 cartons * 180 pcs = 213480 pcs

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1. Intuitive LED display2. Tuning modes: C (Twelve Equals), G (Guitar), B (Bass), V (Violin), UC (C ukulele), UD (D ukulele)3. Size: 5 × 3.7 × 2.7 cm4. Tuning range: A0 (27.5Hz) ~ C8 (4186Hz)5. Lightweight, compact and easy to carry6. Operating instructions: long press the key, short press to switch between various instrument modes; A4 value button (only available in G / B mode), in guitar and bass mode, press b to adjust the semitone (b, bb)Specification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 7cm * 6cm * 3cm / 2.76inch * 2.36inch * 1.18inch Qty per Carton 500 Carton Weight 17.00kgs / 37.48lb Carton Size 52cm * 52cm * 48cm / 20.47inch * 20.47inch * 18.9inch Loading Container 20GP: 205 cartons * 500 pcs = 102500 pcs40HQ: 476 cartons * 500 pcs = 238000 pcs

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Overview1. This is a small 1D/2D codes reader, by using the intelligent image recognition algorithm, it will decode the barcode or 2D code on paper or screen, fast and accurately.2. Through the onboard USB and UART interface, it can be directly plugged into a computer, or be easily integrated to kinds of devices due to its small form factor.Features1. Easy to use, requires no knowledges of image recognition2. Decodes various common 1D/2D codes such as Barcode, QR code etc.3. Onboard micro USB and UART serial port, allows to connect with computers or embedded devices4. Configurable via scanning configuration code5. Onboard light source, works in the darkSpecifications1. Operating voltage: 5V2. Operating current: 135mA (scanning), 58mA (standby), 2mA (sleep)3. Operating temperature: 0°C~60°C4. Operating humidity: 5%~95% (Non-condensing)5. Communication interface: UART, USB6. Decodes 1D codes: Codebar, Code 11, Code 39/Code 93, UPC/EAN, Code 128/EAN128, Interleaved 2 of 5, Matrix 2 of 5, MSI Code, Industrial 2 of 5, GS1 Databar(RSS)7. Decodes 2D codes: QR code, Data Matrix, PDF4178. Light source: white9. Scan angels: roll 360°, skew ±65°, pitch ±60°10. Field of view: 28° (horizontal), 21.5° (vertical)11. Dimension: 53.3mm x 21.4mm12. Package contents:- Barcode Scanner Module x1- USB type A plug to micro B plug cable x1- PH2.0 4Pin x1Specification: Package Weight One Package Weight 0.10kgs / 0.21lb One Package Size 8cm * 4cm * 2cm / 3.15inch * 1.57inch * 0.79inch Qty per Carton 1400 Carton Weight 134.40kgs / 296.30lb Carton Size 56cm * 40cm * 40cm / 22.05inch * 15.75inch * 15.75inch Loading Container 20GP: 297 cartons * 1400 pcs = 415800 pcs40HQ: 690 cartons * 1400 pcs = 966000 pcs

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1. Equipped with Android 11.0 intelligent system, supporting over 4,000 applications, capable of installing major mainstream audio and video software, with abundant resources2. Utilizing the Allwinner H713 chip, with 1G of running memory and 8G of storage memory, equipped with intelligent temperature control, running smoothly and stably3. Supports WiFi-6 (2.4G + 5G dual frequency) and BT5.0 Bluetooth, with fast network transmission speed, allowing for smooth streaming of TV shows and movies without lag or stutter4. AI intelligent voice control, enabling voice commands through the remote control, allowing for quick completion of operations such as adjusting volume and fast-forwarding5. Native 1080P resolution, supporting 4K high-definition decoding, RGB high color gamut colors, clear and vivid images with strong color expression6. Automatic focus function, quickly completing focusing, clear imaging, and less prone to focus loss or blur issuesParameters1. Light source: LCD2. Lumen (ANSI): 2503. Physical resolution: 1920 x 1080P4. Focusing difference: standard/normal5. Interfaces: for HDMI/USB/DC6. Lifespan of the light source: 30,000 hours7. Light transmittance: 1.4:18. Auto-tilt system: fully automatic tilt correction9. Focusing mode: automatic electronic focusing10. Zoom function: supported11. Recommended projection distance (meters): 1.25 - 4m12. Recommended projection size: 30 - 200 inches (optimal 120 inches)13. System: Android 1114. Chip: H71315. Configuration parameters: 1G + 8G16. Wireless support: 2.4G/5G dual frequency17. Bluetooth: BT-5.018. Remote control: Bluetooth remote control19. Voice support: Chinese/English/multi-language20. Input voltage: 90 - 260V, 12V 2A21. Power consumption size: 65W22. Standard accessories: power supply, remote control, manual, with color packaging box23. Temperature control: supported24. Host size: about 16.6 x 13.3 x 14.6 cm25. Total weight: about 1140gSpecification: Package Weight One Package Weight 1.15kgs / 2.54lb One Package Size 22cm * 20cm * 17cm / 8.66inch * 7.87inch * 6.69inch Qty per Carton 12 Carton Weight 15.00kgs / 33.07lb Carton Size 61cm * 42cm * 38cm / 24.02inch * 16.54inch * 14.96inch Loading Container 20GP: 273 cartons * 12 pcs = 3276 pcs40HQ: 635 cartons * 12 pcs = 7620 pcs

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1. Screen: 2.0-inch HD IPS screen2. CMOS size: 1/4 inch3. Photo resolution: 16M, 12M, 10M, 8M, 5M, 3M, 2MHD4. Image format: JPG5. Light source: 8 LED lights (4 white lights and 4 purple lights)6. Focus mode: manual focus7. Digital zoom: not supported8. PC operating system: Windows XP, Win7, Win8, Win10, Mac OSX10.5 or higher9. Lens structure: 4P+IR10. Aperture: F4.511. Lens angle of view: 20 degrees12. Interface and signal transmission method: TYPE-C/USB2.013. Power consumption: 260MA, 1.3W14. Battery capacity: 500MAН, 3.7V15. Working time: 1.5H16. Charging time: 1H17. Supports 12 languages: English, Portuguese, Simplified Chinese, Japanese, French German, Korean, Italian, Dutch, Russian, Spanish, Arabic18. One-touch switch between white light/UV light. Simply tap on the magnifying glass to easily switch between the illumination clarity of white light and the display power of UV light. This convenient feature allows users to easily adapt to various lighting conditions, whether it is checking the authenticity of banknotes, photography, or other tasks that require different lighting spectra19. Type-C interface, which can be connected to a PC to shoot videos and photos. Whether you are shooting photos, videos, or real-time measurements, the Type-C interface ensures fast and reliable data transmission, enabling efficient workflows and easy multimedia integration20. Small size, light weight, suitable for handheld, weighing only 110 grams, ergonomic design, making it easy to manipulate and control, ensuring comfortable operation21. With wide versatility, it is ideal for a variety of tasks, suitable for close-up desktop work such as reading newspapers, documents, maps, coins, stamps, electronic parts, jewelry, photos, knitwear, plants, printed materials, or reading coupons, prescription drugs, small print on medicine bottles22. 500mAh built-in rechargeable battery, no need to frequently replace batteriesSpecification: Package Weight One Package Weight 0.15kgs / 0.34lb One Package Size 17cm * 9cm * 3cm / 6.69inch * 3.54inch * 1.18inch Qty per Carton 120 Carton Weight 18.00kgs / 39.68lb Carton Size 53cm * 28cm * 39cm / 20.87inch * 11.02inch * 15.35inch Loading Container 20GP: 460 cartons * 120 pcs = 55200 pcs40HQ: 1069 cartons * 120 pcs = 128280 pcs

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OverviewDetects clockwise/anti-clockwise rotations: degrees and lapsSpecifications1. Pulses per lap: 152. Power: 3.0V ~ 5.3V3. Dimension: 32.1mm * 15.4mm4. Mounting holes size: 2.0mmApplicationsPositioning in Industrial ControlsHow to UseIn the case of working with a MCU:1. VCC -- 3.0V ~ 5.3V2. GND -- Power supply ground3. SW -- MCU.IO (encoder button status)4. SIB -- MCU.IO (output status)5. SIA -- MCU.IO (output status)Specification: Package Weight One Package Weight 0.02kgs / 0.04lb One Package Size 5cm * 2cm * 1cm / 1.97inch * 0.79inch * 0.39inch Qty per Carton 9600 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 40cm * 40cm / 23.62inch * 15.75inch * 15.75inch Loading Container 20GP: 277 cartons * 9600 pcs = 2659200 pcs40HQ: 644 cartons * 9600 pcs = 6182400 pcs

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1. Equipped with Voltage Regulator to ensure stability 2. Compact size design for portability, with the free hook, you may just hang it on your bagpack when outdoors 3. Solar Panel Peak Power: 21W 4. Output: DC:18V 1A, USB: 5V 2.1A 5. Compact Size: 300x 160 x 20mm 6. Opened Size: 640 x 300 x 10mmSpecification: Package Weight One Package Weight 0.88kgs / 1.94lb One Package Size 33cm * 18cm * 3cm / 12.99inch * 7.09inch * 1.18inch Qty per Carton 20 Carton Weight 16.60kgs / 36.60lb Carton Size 38cm * 35cm * 32cm / 14.96inch * 13.78inch * 12.6inch Loading Container 20GP: 626 cartons * 20 pcs = 12520 pcs40HQ: 1454 cartons * 20 pcs = 29080 pcs

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1. Measurement Range: 0.1 to 200,000 lux; 0.01~20,000Fc 2. Resolution: 0.1Lux / 0.01Fc 3. Accuracy:Float up or down 4% 4. Measurement speed: 2 times / second 5. Power: 9V battery (not including)* 1PCS 6. Data Hold function 7. High resolution and response quicklySpecification: Package Weight One Package Weight 0.14kgs / 0.31lb One Package Size 15.5cm * 8.4cm * 5.5cm / 6.1inch * 3.31inch * 2.17inch Qty per Carton 40 Carton Weight 8.20kgs / 18.08lb Carton Size 36cm * 34cm * 30cm / 14.17inch * 13.39inch * 11.81inch Loading Container 20GP: 726 cartons * 40 pcs = 29040 pcs40HQ: 1685 cartons * 40 pcs = 67400 pcs

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Capacitive Fingerprint Reader, onboard processor STM32F105, commercial fingerprinting algorithm, semiconductor sensorOverview1. The Capacitive Fingerprint Reader is a standard fingerprinting module designed for secondary development, allows fast and stable fingerprint verification.2. Based on a high-speed digital processor STM32F105R8, combined with high-security commercial fingerprinting algorithm, and advanced semiconductor sensor, the Capacitive Fingerprint Reader becomes a simple but smart integration module, provides functionalities like fingerprint enrolling, image processing, feature finding, template generating and storing, fingerprint matching and searching, etc.Features1. Easy to use by some simple commands, you dont have to know any fingerprint technology, or the module inter structure/calculation2. Commercial fingerprinting algorithm, stable performance, fast verification3. Sensitive detection, just touch the collecting window lightly, without pressing4. Allows to freely input/output fingerprint images, fingerprint feature file and other fingerprinting actions5. Dual communication, UART or USB6. Processor will enter sleep and wake up when detecting, achieves low power consumption7. Comes with rich related resources (software on PC, development SDK, tools, and examples for Raspberry/Arduino/STM32)Package Contents1. Capacitive Fingerprint Reader x12. PH2.0 wire 20cm 6Pin x1Specification: Package Weight One Package Weight 0.03kgs / 0.06lb One Package Size 6cm * 4cm * 2cm / 2.36inch * 1.57inch * 0.79inch Qty per Carton 2000 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 40cm * 40cm / 23.62inch * 15.75inch * 15.75inch Loading Container 20GP: 277 cartons * 2000 pcs = 554000 pcs40HQ: 644 cartons * 2000 pcs = 1288000 pcs

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Optical element 1. Projection size: 20-70 inches. 2. Projection distance: 1M ~3M. 3. Bulb: 10W LED bulb. 4. Lamp life: over 20000 hours. Optical parameters 1. Technology type: monolithic LCD Technology. 2. Physical resolution: 320*240. 3. Maximum resolution compatibility: 1920*1080 HD 1080P. 4. Brightness: 30 lumens. Accessories: remote control & product manuals & instructions & power adapters. Product size: 105*103*105mm weight: 0.5Kg.Specification: Package Weight One Package Weight 1.10kgs / 2.43lb One Package Size 21cm * 14cm * 14cm / 8.27inch * 5.51inch * 5.51inch Qty per Carton 20 Carton Weight 21.50kgs / 47.40lb Carton Size 50cm * 44cm * 42cm / 19.69inch * 17.32inch * 16.54inch Loading Container 20GP: 288 cartons * 20 pcs = 5760 pcs40HQ: 669 cartons * 20 pcs = 13380 pcs

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1. Dual sensitive microphone, professional noise reduction, clear vocals 2. Independent recording button, quick control 3. Equipped with encryption function, set password to automatically encrypt recording 4. Support U disk function 5. Supports 8GB/16GB/32GB TF card expansion (not included) 6. Supports Windows XP/Vista/7/8 7. Display screen: 1.2-inch OLED 8. Battery: 3.7V/200mAh lithium battery 9. Working hours: about 20 hours 10. Recording format: MP3, WAV 11. Recording bit rate: 128K bps 12. Transmission interface: USB 2.0 13. Frequency response: 20Hz-20KHz 14. Audio output power: not less than 5mW 15. Product size: 72x20x8mmSpecification: Package Weight One Package Weight 0.13kgs / 0.30lb One Package Size 11cm * 8cm * 5cm / 4.33inch * 3.15inch * 1.97inch Qty per Carton 100 Carton Weight 13.00kgs / 28.66lb Carton Size 44cm * 40cm * 25cm / 17.32inch * 15.75inch * 9.84inch Loading Container 20GP: 606 cartons * 100 pcs = 60600 pcs40HQ: 1406 cartons * 100 pcs = 140600 pcs

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