Search results for "school electronics"

1. It provides a rich set of human-machine interface (HMI) interfaces, including MIPI-CSI (integrated image signal processor ISP), MIPI-DSI, SPI, I2S, I2C, LED PWM, MCPWM, RMT, ADC, UART, and TWAI, and also supports USB OTG 2.0 HS. It integrates an RJ45 Ethernet interface with PoE functionality.2. Equipped with peripherals such as USB 2.0, MIPI-CSI/MIPI-DSI, and H.264 encoding, it meets the needs of low-cost, high-performance, and low-power multimedia development.3. The ESP32-P4 integrates a digital signature peripheral and a dedicated key management unit to ensure data and operation security.4. The ESP32-P4-WIFI6-POE-ETH is designed for high-performance and high-security applications, meeting the needs of embedded systems in human-machine interaction, edge computing, and I/O expansion.5. Powerful image and voice processing capabilities, with image and voice processing interfaces including JPEG codec, pixel processing accelerator (PPA), image signal processor (ISP), and H264 video encoder.6. The board provides common peripheral interfaces such as MIPI-CSI, MIPI-DSI, USB 2.0 OTG, Ethernet, SDIO 3.0 SD card slot, microphone, speaker terminals, and RTC battery terminals.7. The board features a 2 × 20 pin header, providing 28 remaining programmable GPIOs.8. Security mechanisms include secure boot, Flash encryption, hardware encryption accelerator, and hardware random number generator. It also supports hardware access protection, enabling access permission management (APM) and privilege separation.9. The development board uses the ESP32-P4-Core module, stacked with 32MB PSRAM, and has 32MB Nor Flash onboard.10. Supports Wi-Fi 6 and Bluetooth modules, with an onboard ESP32-C6-MINI module, extending 2.4GHz Wi-Fi 6 and Bluetooth 5 capabilities to the ESP32-P4. (LE), communicates using the SDIO interface protocol, ensuring stable connection and efficient transmission.11. Integrated PoE module, making the development boards power supply more flexible.12. Only one network cable is needed to connect to a PoE device, enabling both networking and power supply for the ESP32-P4-WIFI6-POE-ETH.13. Dimensions: 55x68mm14. Package contents:- ESP32-P4-WIFI6-POE-ETH x 1- SH1.0 4PIN connecting cable (approx. 150mm) x 2- 1217 cavity speaker 8Ω 2W x 1- 2.4G antenna x 1- Screw pack x 1Specification: Package Weight One Package Weight 0.20kgs / 0.45lb One Package Size 10cm * 10cm * 5cm / 3.94inch * 3.94inch * 1.97inch Qty per Carton 72 Carton Weight 9.80kgs / 21.61lb Carton Size 42cm * 32cm * 32cm / 16.54inch * 12.6inch * 12.6inch Loading Container 20GP: 620 cartons * 72 pcs = 44640 pcs40HQ: 1439 cartons * 72 pcs = 103608 pcs

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1. Voltage range: 0-100V (DC)2. Voltage range: automatic, 1V, 10V, 100V3. Resistance: 0-200 ohms4. Resistance range: automatic, 20 milliohms, 200 milliohms, 2 ohms, 20 ohms, 200 ohms5. Instrument test signal frequency: AC 1Khz6. Charging: TYPE-C interface (5V/1A)7. Built-in battery: 1000mAh lithium battery8. Stable support, integrated folding bracket9. Firm and reliable without occupying space, back hanging hole gourd nail design10. Place on the desktop to work without slipping, silicone anti-slip design11. According to actual needs, you can freely choose the automatic shutdown mode or set a specific shutdown time, which is safe to use and can extend the life of the device12. One-click pause, memory stay, data retention13. The test uses a customized Kelvin 4-wire connection method to connect and measure, avoiding the influence of wire resistance and contact resistance, improving test accuracy15. Eight sets of voltage resistance values ??are pre-set, whether it is batch screening of high-quality batteries or precise positioning of problem batteries, it can be completed in an instant, greatly improving work efficiency16. Using TFT high-definition color screen, functional data is clear at a glance, and visual recognition efficiency is faster and smoother17. Size: 158.7x80.5x28.4mm18. Weight: 225gSpecification: Package Weight One Package Weight 0.45kgs / 0.99lb One Package Size 22cm * 14cm * 9cm / 8.66inch * 5.51inch * 3.54inch Qty per Carton 15 Carton Weight 23.80kgs / 52.47lb Carton Size 64cm * 39cm * 46cm / 25.2inch * 15.35inch * 18.11inch Loading Container 20GP: 232 cartons * 15 pcs = 3480 pcs40HQ: 539 cartons * 15 pcs = 8085 pcs

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1. 13-inch LED display, 16:9, 1366 * 768 pixel resolution 2. Front dual stereo speaker audio output 3. Support SD, MMC card up to 16GB (not included) 4. Video playback supports 1920*1080P, AVI, PMP, MP4 format, audio playback supports MP3, WMA format, supports JPEG images 5. Support USB 2.0 port 6. Support image browsing using background music (MP3) function 7. Support multiple languages: Chinese, English, French, German, Italian, Spanish, Portuguese, Dutch, Polish 8. Clock, calendar, alarm clock, time switch 9. Output interface: headphone interface output 10. Control mode: manual, remote or power on auto play 11. External power supply: AC 100-240V DC 12V 1ASpecification: General Certificate EMC, LVD Package Weight One Package Weight 1.62kgs / 3.56lb One Package Size 36cm * 30cm * 6cm / 14.17inch * 11.81inch * 2.36inch Qty per Carton 10 Carton Weight 13.50kgs / 29.76lb Carton Size 62cm * 38cm * 32cm / 24.41inch * 14.96inch * 12.6inch Loading Container 20GP: 353 cartons * 10 pcs = 3530 pcs40HQ: 821 cartons * 10 pcs = 8210 pcs

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1. Display technology: LCD2. Projection light source: LED module3. The service life of the projection light source: more than 30,000 hours4. Center brightness: 100 ANSI lumens5. Light type: LED6. Physical resolution: 1920*1080 (support 4K film source)7. Projection size: 50-180 inches9. Projection ratio: 1.35:110. Uniformity: greater than 75%11. Projection distance: 1.5 meters-3 meters12. Projection aspect ratio: 16:0913. Focus mode: manual focus14. Keystone correction: automatic keystone correction (horizontal + vertical: +/-40 degrees)15. Projection mode: front projection, rear projection, ceiling projection16. System: Android 917. Solution: RK3229 4-core, A7 core, 1.2G18. Processor: Mali400 MP2 GPU19. Running memory: 2GB20. Built-in storage: 16GB21. WIFI: 2.4G & 5G22. Bluetooth: 4.023. Video format: 4K HEVC, H.265, MPEG-2, MPEG-4, H.264, VP8, VP924. Music format: MPEG1, Layer3, AC3, EAC3, AAC, HEAAC, WMA, LPCM, IMA-ADPCM/MS-ADPCM25. Picture format: jpg, png, bmp, etc.26. Remote control: support infrared and 2.4G wireless remote control27. Built-in speaker: 2X3W28. Optical machine power consumption: 40W29. Standby power consumption: 2.5W30. Power consumption of the whole machine: 65W31. Interface: HDMI X1, USB X1, DC input X132. Size: 11x13.5x15cm33. Net weight: 1.05kg34. Packing list: projector, infrared remote control, power cord, manual35. Built-in battery 2600 mAhSpecification: General Model Y2 GPU Mali400 MP2 RAM 2GB ROM(Flash) 16GB Display Types LCD Native Resolution 1920 x 1080 Aspect Ratio 16:9 Brightness 100 ANSI Light Source Life more than 30,000 hours Lamp Types/Number/Life LED Projector Ratio 1.35:1 Keystone Correction automatic keystone correction (horizontal + vertical: +/-40 degrees) Focusing Manner Manual Focus Projection Methods Front, Rear, Ceiling Projection Distance 1 - 3m Battery 2600 mAh Speaker 2X3W Interfaces(I/O) 1 x USB Port 1 x HDMI Port 1 x DC In Port WiFi 2.4G & 5G Bluetooth 4.0 Media Format Audio AAC, WMA Video H.264, H.265, MPEG2, MPEG4 Picture JPG, PNG, BMP Dimensions Size 11x13.5x15cm Weight 1.05kg Package Include Package Contents 1 x Projector 1 x Remote Control 1 x Manual 1 x Power Cable Package Weight One Package Weight 1.51kgs / 3.33lb One Package Size 21cm * 20cm * 17cm / 8.27inch * 7.87inch * 6.69inch Qty per Carton 8 Carton Weight 13.54kgs / 29.85lb Carton Size 42cm * 42cm * 36cm / 16.54inch * 16.54inch * 14.17inch Loading Container 20GP: 419 cartons * 8 pcs = 3352 pcs40HQ: 974 cartons * 8 pcs = 7792 pcs

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Features1. Portable and Lightweight: The mini projector is lightweight and compact in size. Smaller than phone, it can be put at any place. You can also take it out for a trip. 2. Support 1080P High Definition: 1080P high definition enables you to enjoy clear and vivid pictures. True color contrast ratio ensures excellent viewing experience. 3. Support Power Bank: Support 5V2A power bank for power supply. Use at any place. 50,000+ hrs lamp life. 4. High Power Speaker: A2000 Mini Portable Projector 800 lumen Supports 1080P LCD 50000 Hours Lamp Life Home Theater Video Projector for Power Bank 5. Excellent sound quality and enjoy pure sound. Create home theater atmosphere. 6. Eye-caring Light: The projector reflects soft light that would not hurt children''''''''s eyes. Protect your eye health.Specifications1. Model: A2000 2. Imaging Technology: 2 inch Single LCD 3. Native Resolution(Pixels): 320 x 240 4. Brightness/ANSI: 800 Lumens/50ANSI 5. Contrast Ratio: 100:1 6. Light Uniformity: 85% 7. Display Ratio Screen Scale: 4:3/16:9 8. Projection Size Range: 14-100 inch 9. Projection Distance Range: 0.5-3.2m 10. Recommended Screen Size: 30-60 inch 11. Keystone Correction: No 12. Lens Correction: Manual Correction 13. Projection Methods: Support screen flip up and down left and right 14. CPU: Allwinner F1C100 15. DOLBY Digital: No 16. Support Resolution: 1080P 17. Working Voltage: DC Input 12V2A 18. Size: 13.5 x 9.7 x 5cm / 5.31 x 3.82 x 1.97in(L x W x H) 19. Weight: Approx.325g / 11.46ozPackage List1. Mini Projector x 1 2. Power Adapter x 1 3. Remote Control x 1 4. AV Cable x 1 5. User Manual x 1Specification: Package Weight One Package Weight 0.74kgs / 1.62lb One Package Size 17cm * 16cm * 8cm / 6.69inch * 6.3inch * 3.15inch Qty per Carton 20 Carton Weight 15.00kgs / 33.07lb Carton Size 42cm * 35cm * 33cm / 16.54inch * 13.78inch * 12.99inch Loading Container 20GP: 549 cartons * 20 pcs = 10980 pcs40HQ: 1276 cartons * 20 pcs = 25520 pcs

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1. The product has the characteristics of small size, light weight, reliable performance, simple connection and convenient use. 2. The battery level can be displayed in real time. 3. You can switch the default print language at will. 4. Printing method: line thermal printing. 5. Printing speed >90mm/s. 6. Print head life: 100km. 7. Resolution: 203dpi (8dot/mm). 8. Effective print width: 72mm (576 points). 9. Available paper width: 80+/-01mm. 10. Paper bin capacity Diameter<=50mm. 11. Power: Rechargeable lithium battery. 12. Battery specifications: 7.4VDC/2000mA. 13. Charging mode: External charger 9V/1.5A. 14. Support multi-language, support Bluetooth 4.0. 15. Communication interface: Standard RS232/USB interface, Bluetooth 2.0/SPP protocol interface optional.Specification: Package Weight One Package Weight 0.46kgs / 1.02lb One Package Size 18cm * 11cm * 7cm / 7.09inch * 4.33inch * 2.76inch Qty per Carton 40 Carton Weight 19.50kgs / 42.99lb Carton Size 48cm * 38cm * 30cm / 18.9inch * 14.96inch * 11.81inch Loading Container 20GP: 487 cartons * 40 pcs = 19480 pcs40HQ: 1131 cartons * 40 pcs = 45240 pcs

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1. Super bright light, which can see through very thick paper. 2. Adjustable brightness, with touch button you can adjust the brightness, very convenient to use. 3. Special acrylic surface, which makes it feel like a glass panel but much stronger than glass. 4. With a compact and elegant design, easy to carry and save space. 5. Eye-protection technology, perfect for sketching, drawing,animation making,calligraphy and tattoo tracing. 6. Simple and convenient to operate. 7. High quality Acrylic materials, durable and reliable.Specification: Package Weight One Package Weight 2.86kgs / 6.31lb One Package Size 70cm * 46cm * 4cm / 27.56inch * 18.11inch * 1.57inch Qty per Carton 5 Carton Weight 14.10kgs / 31.08lb Carton Size 72cm * 49cm * 20cm / 28.35inch * 19.29inch * 7.87inch Loading Container 20GP: 377 cartons * 5 pcs = 1885 pcs40HQ: 877 cartons * 5 pcs = 4385 pcs

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1. Non-contact speed: 99,999 RPM2. Contact speed: 20,000 RPM3. Contact line speed: 99,999 inches/min4. Contact line speed: 99,999 feet/min5. Contact line travel speed: 99,999 meters/min6. Power supply: 1200 mAh lithium battery7. This dual-purpose device features a removable contact probe shaft holder for easy operation, allowing for both contact and non-contact measurement, providing greater flexibility.8. The shaft holder utilizes a dual-bearing design for more stable rotation and more accurate measurement results.9. Utilizing photodiode and laser tube sensors, the device offers high sensitivity and strong anti-interference capabilities.10. Equipped with photoelectric speed measurement mode, contact speed mode, contact line mode, and maximum, minimum, and average measurement modes.11. This product utilizes a two-shot injection molded, non-slip soft packaging process to effectively reduce hand fatigue after prolonged use.12. Real-time data communication and processing with a computer via USB cable. Displays real-time data tables and graphs.13. USB port for real-time data communication and processing with a computer.14. Weight: approximately 140g15. Dimensions: 184x60x33mmSpecification: Package Weight One Package Weight 0.33kgs / 0.74lb One Package Size 24cm * 13cm * 6cm / 9.45inch * 5.12inch * 2.36inch Qty per Carton 40 Carton Weight 14.30kgs / 31.53lb Carton Size 49cm * 26cm * 48cm / 19.29inch * 10.24inch * 18.9inch Loading Container 20GP: 436 cartons * 40 pcs = 17440 pcs40HQ: 1012 cartons * 40 pcs = 40480 pcs

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1. Powered by the RP2350 microcontroller chip developed by Raspberry Pi2. Features a unique dual-core, dual-architecture design, equipped with dual-core ARM Cortex-M33 processors and dual-core Hazard3 RISC-V processors; operates at clock speeds up to 150MHz and allows flexible switching between the two architectures3. Built-in 520KB SRAM and 16MB on-chip Flash4. Uses a USB Type-C interface for modern convenience—no need to worry about connector orientation5. Onboard 0.85-inch LCD screen with 128 × 128 resolution and 65K colors6. Supports USB 1.1 Host and Device modes7. Supports low-power sleep and dormant modes8. Recognized as a mass storage device via USB for drag-and-drop programming9. Includes 1x I2C, 1x UART, 2x 12-bit ADCs, and 2x controllable PWM channels10. Precise on-chip clock and timers11. Built-in temperature sensor for real-time chip temperature monitoring12. 12 Programmable I/O (PIO) state machines for custom peripheral supportLCD Screen Specifications:1. Operating voltage: 3.3V/5V2. Display size: 15.21 × 15.21 mm3. Resolution: 128 × 128 pixels4. Colors: 65K5. Panel type: IPS6. Pixel pitch: 39.6 × 118.8 μm7. Interface: 4-wire SPI8. Driver IC: ST7735Specification: Package Weight One Package Weight 0.06kgs / 0.13lb One Package Size 8cm * 8cm * 6cm / 3.15inch * 3.15inch * 2.36inch Qty per Carton 144 Carton Weight 9.00kgs / 19.84lb Carton Size 50cm * 38cm * 34cm / 19.69inch * 14.96inch * 13.39inch Loading Container 20GP: 412 cartons * 144 pcs = 59328 pcs40HQ: 958 cartons * 144 pcs = 137952 pcs

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1. A 4-inch LCD screen is used. Due to the larger screen, there is more PCB space for installing components and batteries2. Use an independent charge pump to power the mixer and add tantalum capacitors, which can further reduce power supply noise3. In order to make it easier for geeks to create more possibilities, UART1 and PC14, PC15 interfaces are drawn on the PCB, which is convenient for DIY expansion4. ABS shell, can effectively protect SMA connectors and buttons5. DC dimming is added, it can be seen more clearly when used outdoors, and it is more comfortable to use indoors.6. Optimized the bridge to make full use of the Si5351s harmonics. Now the 5th harmonic can be used to measure to 1.5GHz;7. When the fundamental wave is used, the output level of CH0 is increased to 0dBm, and the reflection measurement is more accurate;8. Solve the previous abnormality of NanoVNA-H near 6MHz9. The redesigned power management circuit further reduces power noise, reduces USB power interference, reduces charging current, and protects the battery10. Optimized PCB layout, accommodating 1950mAh battery, more than 8 hours of usepacking list:1. NanoVNA host x 1 (including 4-inch touch screen, 2000mAh battery)2. 15cm SMA male to male RG316 RF cable x 23. SMA female to female connector x14. SMA simple calibration kit SHORT x15. SMA simple calibration kit OPEN x16. SMA simple calibration kit LOAD x17. USB Type-C data cable x18. Type-c to Type-c x1 supports connection with most Android phones9. One pickSpecification: Package Weight One Package Weight 0.40kgs / 0.89lb One Package Size 24cm * 14cm * 3cm / 9.45inch * 5.51inch * 1.18inch Qty per Carton 40 Carton Weight 15.80kgs / 34.83lb Carton Size 50cm * 30cm * 32cm / 19.69inch * 11.81inch * 12.6inch Loading Container 20GP: 555 cartons * 40 pcs = 22200 pcs40HQ: 1289 cartons * 40 pcs = 51560 pcs

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Safety Cautions1. Li-ion and Li-po batteries are quite unstable. They may cause fire, personal injury, or property damage, if they are not properly recharged or used. 2. Do not reversely connect the polarities when recharging or discharging the battery. Do not use inferior charger/charging panel to recharge the battery. 3. Do not mix use old batteries with new ones, avoid using batteries of different brands. 4. When buying lithium battery, should make sure the battery specification is compatible with the expansion board. Choose batteries from formal manufacturer, and ensure the batteries will work stably and safely by aging test. 5. Lithium batteries have limited cycle life, they will also deteriorate as time goes by. Should be replaced with new ones when the batteries reaching their max cycle life, or working over two years, whichever comes first. 6. Should be placed carefully and properly, keep it away from inflammables and explosives articles, away from children, avoid any safety accident caused by careless storage.FeaturesThe Solar Power Manager (C) is compatible with general 6V~24V solar panels. It can recharge the 18650 rechargeable Li-ion batteries through solar panel or USB TYPE-C connection, and provides 5V / 3A regulated output (with multi protocols support including PD/QC/FCP/PE/SFCP). The module features MPPT (MAX Power Point Tracking) function and multi protection circuits, therefore, it is able to keep operating with high-efficiency, stability, and safety. It is suitable for solar powered, low-power IoT, and other environmental protection projects. 1. Support MPPT (MAX Power Point Tracking) function, MAX the efficiency of the solar panel 2. Flexible battery recharging: from solar panel or USB TYPE-C power adapter 3. Compatible with 6V~24V solar panels, DC-002 jack input or screw terminal input 4. Onboard MPPT SET switch, select the level closed to input level to improve recharging efficiency 5. Onboard aluminum electrolytic capacitor and SMD ceramic capacitor, reducing the ripple, stable performance 6. Embedded battery holder, supports 3x 18650 rechargeable Li-ion batteries 7. Several LED indicators, for monitoring the status of solar panel and battery 8. Multi protection circuits: over charge / over discharge / reverse-proof / over heat / over current, stable and safe to useSpecifications1. Solar in: 6V ~ 24V (18V by default) 2. Recharging: Solar panel, power adapter, USB 3. Battery: 3 x 18650 Li-ion battery (Not included) 4. USB input: 5V (Type-C, with PD quick charge support) 5. 5V output: 5V / 3A (USB-out, Type-C) 6. Recharging cutoff voltage: 4.2V +/- 1% 7. Over discharge protection voltage: 3.0V +/- 1% 8. Solar panel recharging effeciency: ~78% 9. USB recharging effeciency: ~93% 10. Batteries boost out effeciency: ~92% 11. Case: Metal case 12. Size: 119.0 x 71.0 x 25.2mm 13. Package list: - Solar Power Manager (C) x1 - Adapter x1Specification: Package Weight One Package Weight 0.24kgs / 0.54lb One Package Size 20cm * 15cm * 5cm / 7.87inch * 5.91inch * 1.97inch Qty per Carton 40 Carton Weight 9.00kgs / 19.84lb Carton Size 42cm * 32cm * 27cm / 16.54inch * 12.6inch * 10.63inch Loading Container 20GP: 734 cartons * 40 pcs = 29360 pcs40HQ: 1705 cartons * 40 pcs = 68200 pcs

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1. Output Terminal: Stereo earphone, RV power source. 2. Menu Lanuguage: As per customers requirement ,different languages for choice. 3. Input Voltage:12V-2A. 4. Small size , easy to carry. 5. A good HD home theater for your famliy members. 6. Built-in 1300mAh lithium battery.Specification: General Model YG320 Material Plastic Display Types LCD Native Resolution 320 x 240 Aspect Ratio 16:9, 4:3 Brightness 400 lumens Lamp Types/Number/Life LED Contrast Ratio 300:1 Focusing Manner Manual Focus Projection Methods Front, Rear Image Size 20 - 80 inch Power Consumption 24W Interfaces(I/O) 1 x USB Port 1 x HDMI Port 1 x SD Card Slot 1 x Earphone Out Port 1 x AV/Video Package Weight One Package Weight 0.66kgs / 1.46lb One Package Size 19.7cm * 18.3cm * 8.4cm / 7.76inch * 7.2inch * 3.31inch Qty per Carton 20 Carton Weight 14.00kgs / 30.86lb Carton Size 45cm * 42cm * 40cm / 17.72inch * 16.54inch * 15.75inch Loading Container 20GP: 352 cartons * 20 pcs = 7040 pcs40HQ: 818 cartons * 20 pcs = 16360 pcs

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