Search results for "school electronics"

1. Rated voltage: 250V~ 2. Rated current: 10A/16A 3. Light weight, easy to carry and daily use. 4. Made of durable PC, making the product more sturdy and flame retardant. 5. Scope of application: suitable for all kinds of mobile phones, tablet computers, digital cameras, notebook computers, home desktop computers, and other digital products. 6. There is a dust cap in the jack to effectively protect the internal circuit and prolong the service life.Specification: Package Weight One Package Weight 0.05kgs / 0.11lb One Package Size 8cm * 6cm * 4cm / 3.15inch * 2.36inch * 1.57inch Qty per Carton 200 Carton Weight 8.80kgs / 19.40lb Carton Size 40cm * 30cm * 32cm / 15.75inch * 11.81inch * 12.6inch Loading Container 20GP: 694 cartons * 200 pcs = 138800 pcs40HQ: 1612 cartons * 200 pcs = 322400 pcs

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1. The ESP32-S3-RGB-Matrix is a high-performance, highly integrated LED matrix panel driver board. It is suitable for HUB75 interface RGB matrix panels and related embedded applications. Based on the ESP32-S3 microcontroller, it integrates large-capacity Flash storage, RTC chip, IMU, TF card slot, low-power audio codec chip, dual microphones, and so on. It also provides reserved interfaces such as USB, UART, I2C, and GPIO, offering strong scalability and enabling users to quickly develop and integrate it into practical applications.3. Supports 2.4 GHz Wi-Fi and Bluetooth 5 (BLE) dual-mode communication4. Includes 512KB SRAM and 384KB ROM; integrates 32MB Flash and 16MB PSRAM to meet storage requirements across various scenarios5. Compatible with the full range of Waveshare Matrix-RGB panel sizes; capable of smoothly running graphical interface programs like LVGL6. Onboard ES7210 echo cancellation chip for enhanced voice processing performance7. Onboard ES8311 low-power audio codec chip, supporting high-quality audio input and output8. Equipped with a dual-microphone array supporting noise reduction and echo cancellation algorithms; suitable for applications such as voice recognition and wake-up9. Onboard speaker interface for audio output; allows for direct connection to a speaker10. Integrates the QMI8658 6-axis IMU (3-axis accelerometer + 3-axis gyroscope) for attitude detection11. Integrates the SHTC3 temperature and humidity sensor for precise environmental monitoring12. Onboard Micro SD card slot for storing images, audio, and various data files, facilitating easy data read/write operations13. Onboard PCF85063 RTC chip and reserved SH1.0 battery interface; supports timekeeping during power outages14. Reserved GPIO expansion interface for peripheral expansion and custom functionality, catering to diverse development needs15. Dual power supply interface design; supports stable operation of up to six 64×64 Matrix-RGB panels and allows for cascading expansion to meet large-format display requirements16. Onboard USB Type-C interface for power supply, programming, and debugging17. Onboard RST and BOOT buttons; the BOOT button supports custom functions, enhancing development flexibilitySpecifications:1. Power supply voltage: 5V2. Maximum current capacity: 10A3. Supported resolutions: 64 × 64 | 64 × 32 | 80 × 40 | 96 × 484. Interface type: HUB755. Maximum resolution (cascaded): 6 × 64 × 646. Operating temperature range: -40 ~ +85 degrees Celsius7. Product dimensions: 50 × 42 mmSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 8cm * 8cm * 5cm / 3.15inch * 3.15inch * 1.97inch Qty per Carton 120 Carton Weight 13.10kgs / 28.88lb Carton Size 34cm * 42cm * 32cm / 13.39inch * 16.54inch * 12.6inch Loading Container 20GP: 583 cartons * 120 pcs = 69960 pcs40HQ: 1354 cartons * 120 pcs = 162480 pcs

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⚡ Charge 4 Batteries at Once — Smarter, Faster, SaferStop guessing what your batteries are doing. This NITECORE 4-slot charger gives you a clear LCD view of charging status while independently managing each battery slot. 4 independent slots: Charge up to four compatible batteries without one slot affecting another. Clear LCD display: See real-time battery and charging information at a glance. 18W fast charging: Supports up to 1500mA charging current in fast-charge mode. Battery testing functions: Supports capacity testing, internal resistance testing, storage functions and real-time current monitoring. Wide compatibility: Supports compatible IMR, Li-ion, LiFePO4 and Ni-MH/Ni-Cd batteries, including popular 18650, 21700, 26650, AA, AAA, C and D sizes. Multiple charging voltages: Supports 4.35V, 4.2V, 3.7V and 1.48V output modes. Why You'll Love ItWhether you're powering torches, electronics or rechargeable devices, the independent 4-slot design makes everyday battery charging more convenient and easier to monitor.Key Specifications Input: DC 5V/2A or 9V/2A Rated power: 18W Charging current: up to 1500mA Charging time: approximately 2 hours Size: 159 × 107 × 41mm Package includes: Charger only. Batteries and other accessories are not included.

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Features1. Quality chassis with track: Adopting 37-520 full-metal DC geared motor, High torque, low noise 2. 180 degree wide angle rotation, flexible controlling robotic arm 3. Quality serial bus full-metal digital servo: High torque, high precision, preventing, it from being stuck and pamaged 4. Auto collision avoidance: Collecting data via camera by taking enough images of different conditions, using the data to train the neutral network, combined With AI algorithm, achieving auto collision avoidance on sorts of environments. 5. Motion detection: Capturing moving objects on the video by motion detection 6. Color recognition and tracking: Recognizing and locking specified color by camera, and then using pan & tilt to track the specified color automatically 7. 3D coordinate system controlled robotic arm, calculated via Inverse Kinematics algorithm: Input coordinate of the target, calculating the moving angles of the 4-DOF servos by inverse kinematics algorithm, and then controlling the servos via serial bus, moving the robotic arm to reach target position 8. JupyterLab programming: JupyterLab is a web-based interactive development environment, supports multi data formats including code, document, image/video, UI control interface, etc., provides rich visualized output, allows easily creating dashboard and UI, supports flexible configuration and arrangement for modular interface. 9. 8MP 160 degree FOV camera: IMX219 sensor, 3280 x2464 resolutionPackage List1. Aluminum alloy kit x1 2. JETANK expansion board x1 3. Wireless-AC8265 with antenna x1 4. IMX219-160 Camera x1 5. Acrylic camera spacer x1 6. Camera FFC x1 7. 0.91inch OLED x1 8. 12.6V 2A power supply + additional EU head x1 9. Robotic arm gripper x1 10. Thrust bearing x1 11. Flange bearing x2 12. Coupler x2 13. Gearmotor x2 14. 5264 servo wire x1 15. Track kit (including bolt, nut, and screwdriver) x2 16. 2 x 5 Pin wire x1 17. Spanner x1 18. L-form hex socket spanner 2PCS x1 19. SCS15-AP servo x4 20. Screwdriver 2PCS x1 21. SCS15-S servo x1 22. Card reader x1 23. Mini cross wrench sleeve x2 24. Cooling fan x1 25. PH2.0 4PIN dual connector cable x1 26. Screws pack x1Specification: Package Weight One Package Weight 2.00kgs / 4.42lb One Package Size 32cm * 22cm * 16cm / 12.6inch * 8.66inch * 6.3inch Qty per Carton 8 Carton Weight 17.00kgs / 37.48lb Carton Size 65cm * 45cm * 33cm / 25.59inch * 17.72inch * 12.99inch Loading Container 20GP: 276 cartons * 8 pcs = 2208 pcs40HQ: 641 cartons * 8 pcs = 5128 pcs

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1. Material: ABS+electronic components 2. Wind speed: 3 gears 3. Power: 3-7V 4. Charging input: DC5V/1A 5. Rotate 360 degrees at will and can be used at multiple angles 6. Desktop/clip two-in-one multi-function, USB charging 7. Powerful wind motorSpecification: Package Weight One Package Weight 0.40kgs / 0.89lb One Package Size 16cm * 13cm * 12cm / 6.3inch * 5.12inch * 4.72inch Qty per Carton 45 Carton Weight 19.00kgs / 41.89lb Carton Size 62cm * 50cm * 41cm / 24.41inch * 19.69inch * 16.14inch Loading Container 20GP: 209 cartons * 45 pcs = 9405 pcs40HQ: 487 cartons * 45 pcs = 21915 pcs

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1. Brand new and high quality. 2. Input: AC 100-240V 50/60Hz 3. Output: DC 12V 3A 4. Connector outside diameter: 5.5mm 5. Connector inside diameter: 2.1mm 6. Cable Length: about 1.2mSpecification: General Types Adapter Connector 5.5 x 2.1mm Input Voltage AC 100-240V 50/60Hz Output Voltage DC 12V Output Current 3A Plug Available EU Plug, US Plug, UK Plug, AU Plug Cable length about 1.2m Weight 220g Package Include Package Contents 1 x Adapter 1 x AU Plug 1 x EU Plug Power Socket 1 x UK Plug Power Socket 1 x US Plug Power Socket Package Weight One Package Weight 0.23kgs / 0.51lb One Package Size 14cm * 9.5cm * 5.3cm / 5.51inch * 3.74inch * 2.09inch Qty per Carton 40 Carton Weight 11.20kgs / 24.69lb Carton Size 40cm * 29cm * 30cm / 15.75inch * 11.42inch * 11.81inch Loading Container 20GP: 766 cartons * 40 pcs = 30640 pcs40HQ: 1778 cartons * 40 pcs = 71120 pcs

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Display Type:lcd Type:Hanging Scale Accuracy:10g Power Supply:2 x AAA (Not Included) Model Number:Pocket Hook Scale Material::Plastic and Stainless Steel Capacity:40kg (suitable for large parcel weighing) Fishing Rod Category:Other Rod Rod Length:<1.8m Instructions: 1. Hang the scale vertically. Press the ON/TARE button. 2. You can use it when the screen reads 0.0 or 0.00. Switch between ON and TARE to lock the weighing data. 3. When the weight of the stuff remains stable, the weight data will be locked automatically.4. Convenient for family, shop, kitchen, fishing, luggage, outdoors use or as gifts.Product Features: 1. Precise & definite display, stable performance.2. Ultra-compact design, portable, impact resistance and cost-effective.3. Multifunctional - net weighing, zero tracking, automatic power-off, unit conversion. 4. This item is an excellent scale for house weighing, shopping and outdoor activities.Specification: Package Weight One Package Weight 0.09kgs / 0.21lb One Package Size 10cm * 8cm * 5cm / 3.94inch * 3.15inch * 1.97inch Qty per Carton 160 Carton Weight 15.00kgs / 33.07lb Carton Size 54cm * 43cm * 27cm / 21.26inch * 16.93inch * 10.63inch Loading Container 20GP: 425 cartons * 160 pcs = 68000 pcs40HQ: 987 cartons * 160 pcs = 157920 pcs

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1. Safety level: CAT II 600V2. Measurement function: AC voltage, DC voltage, resistance, others3. Features: automatic range, on-off buzzer test, data retention, automatic shutdown4. DC voltage range: 0.8-600V5. AC voltage range: 0.8-600V6. Resistance: 600K ohm7. Maximum display: 2000 counts8. Size: 11.8x6.0x2.9cm9. Battery type: 2 x AAA batteries (not included)10. Net weight: about 73gSpecification: General Certificate CE, EMC Package Weight One Package Weight 0.21kgs / 0.46lb One Package Size 14.2cm * 9.2cm * 4cm / 5.59inch * 3.62inch * 1.57inch Qty per Carton 100 Carton Weight 19.40kgs / 42.77lb Carton Size 48cm * 30cm * 42cm / 18.9inch * 11.81inch * 16.54inch Loading Container 20GP: 440 cartons * 100 pcs = 44000 pcs40HQ: 1023 cartons * 100 pcs = 102300 pcs

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RP2040-LCD-0.96 is a low-cost, high-performance Pico-like MCU board with flexible digital interfaces. It incorporates Raspberry Pi RP2040 microcontroller chip, as same as on Raspberry Pi Pico. For software development, either Raspberry Pi C/C++ SDK, or the MicroPython is available, which makes it easy for you to get started, and integrate it into end products quickly. In additional, there are also onboard 0.96inch IPS display, Lithium battery recharge/discharge header, and high efficiency DC-DC buck-boost chip. Key features include: 1. RP2040 microcontroller chip designed by Raspberry Pi in the United Kingdom 2. Dual-core Arm Cortex M0+ processor, flexible clock running up to 133 MHz 3. 264KB of SRAM, and 2MB of on-board Flash memory 4. USB-C connector, keeps it up to date, easier to use 5. 0.96 inch 160x80 pixels 65K colorful IPS LCD display 6. Lithium battery recharge/discharge header, suitable for mobile devices 7. Onboard DC-DC chip TPS63000, high efficiency DC-DC buck-boost chip, 1.8A current switch 8. Castellated module allows soldering direct to carrier boards (there should be dedicated cut-out for embedding the bottom components) 9. USB 1.1 with device and host support 10. Low-power sleep and dormant modes 11. Drag-and-drop programming using mass storage over USB 13. 26 x multi-function GPIO pins 14. 2 x SPI, 2 x I2C, 2 x UART, 3 x 12-bit ADC, 16 x controllable PWM channels 15. Accurate clock and timer on-chip 16. Temperature sensor 17. Accelerated floating-point libraries on-chip 18. 8 x Programmable I/O (PIO) state machines for custom peripheral supportSpecification: Package Weight One Package Weight 0.03kgs / 0.06lb One Package Size 15cm * 12cm * 2cm / 5.91inch * 4.72inch * 0.79inch Qty per Carton 500 Carton Weight 11.00kgs / 24.25lb Carton Size 52cm * 40cm * 39cm / 20.47inch * 15.75inch * 15.35inch Loading Container 20GP: 328 cartons * 500 pcs = 164000 pcs40HQ: 763 cartons * 500 pcs = 381500 pcs

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1. High-definition noise reduction, bringing you high-fidelity and clearer recording sound quality and playback2. Lightweight design, easy to carry, high concealment3. Automatically save when power off4. Large capacity U disk function5. OTG direct connection, you can play and manage recording files on your mobile phone6. Recording method: one-key recording7. Charging time: about 1 hour8. Playing time: about 15 hours9. Recording time: about 20 hours10. USB: Micro USB11. Battery: Built-in 110mAh capacity polymer lithium battery12. Product size: 34*34*7.9mm13. Product weight: about 11gSpecification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 11cm * 5cm * 5cm / 4.33inch * 1.97inch * 1.97inch Qty per Carton 200 Carton Weight 11.00kgs / 24.25lb Carton Size 57cm * 27cm * 42cm / 22.44inch * 10.63inch * 16.54inch Loading Container 20GP: 412 cartons * 200 pcs = 82400 pcs40HQ: 957 cartons * 200 pcs = 191400 pcs

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1. 5 LED lighting, brightness 16,000-18,000MCD/PCS, 0.06W/PCS 2. AM / FM shortwave radio, can not increase SW Shortwave 3. 3 kinds of power charging: solar, hand self-generating, 5.0V output 4. Phone charging function (for mobile phones, digital products, charging digital products off when the best) 5. Emergency siren 6. Lithium batteries: 3.6V/500mAh 7. LCD display 8. Radio Frequency: FM 76-108MHz, AM 520-1710KHz 9. US NOAA Weather Forecast: CH1, 162.400-CH7, 162.550Specification: General Model RD369 Material ABS, PS Output Voltage 5V Output Current 300mAh Battery Type Lithium battery Battery Voltage 3.6V Battery Capacity 500mAh Radio Frequency FM: 76-108MHz, AM: 520-1710KHz Solar Panel 40-45mAh, 5.5V, 0.22W Size 14*8*3.5cm Package Weight One Package Weight 0.30kgs / 0.65lb One Package Size 19cm * 10cm * 8cm / 7.48inch * 3.94inch * 3.15inch Qty per Carton 50 Carton Weight 15.00kgs / 33.07lb Carton Size 50cm * 33cm * 37cm / 19.69inch * 12.99inch * 14.57inch Loading Container 20GP: 436 cartons * 50 pcs = 21800 pcs40HQ: 1014 cartons * 50 pcs = 50700 pcs

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1. DC voltage: 9.999V/99.99V/999.9V2. AC voltage: 9.999V/99.99V/750.0V3. DC current, AC current: 99.99A/600.0A4. Frequency: 9.999MHz/999.9KHz/99.99KHz/999.99Hz/99.99Hz/9.999Hz5. Equipped with a 2.0-inch TFT high-definition full-color LCD display for clear and easy data viewing.6. Supports DC and AC current measurement, with a clamp opening width of up to 25mm, suitable for both thick and thin wires.7. Supports simultaneous voltage and current measurement, and automatically calculates power.8. Equipped with a curve recording mode, data changes and fluctuations are clearly displayed. Supports viewing 8 sets of stored data and up to 30 sets of historical data, ensuring accurate and complete measurements.9. High-precision hard plastic chip, comprehensively improving measurement accuracy.10. 10,000-digit counter, high-precision measurement; the higher the number of digits displayed, the higher the accuracy.11. Intelligent anti-burn-out protection across all ranges; incorrect range settings prevent burn-out, enhancing safety.12. Non-contact NCV sensing voltage, safe electrical measurement; supports LIVE live/neutral wire identification for convenient voltage testing.13. Built-in 1500mAh high-capacity rechargeable lithium battery with automatic sleep mode for long battery life.14. Universal Type-C charging port with a durable dustproof silicone protective cover.15. Built-in illumination function, allowing for measurements even in the dark.16. Jaw size: 25mm17. Dimensions: 19.5x7.4x2.9cm18. Weight: 191gSpecification: Package Weight One Package Weight 0.35kgs / 0.77lb One Package Size 27cm * 12cm * 7cm / 10.63inch * 4.72inch * 2.76inch Qty per Carton 80 Carton Weight 29.00kgs / 63.93lb Carton Size 61cm * 47cm * 45cm / 24.02inch * 18.5inch * 17.72inch Loading Container 20GP: 206 cartons * 80 pcs = 16480 pcs40HQ: 479 cartons * 80 pcs = 38320 pcs

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