Resultados de la búsqueda de "school electronics"

1. Fuente de alimentación: 9-24 V 2. Interfaz de comunicación: puerto RS485 x 1, puerto Ethernet x 1 3. Velocidad en baudios: 300-115200 bps 4. Bits de datos: 5-9 bits 5. Configuración: host, navegador web, biblioteca de funciones de gestión de dispositivos 6. Método de comunicación: comunicación directa TCP/IP, VCOM 7. Temperatura de trabajo: -40 grados a 85 grados. 8. Función principal: Transmisión de datos transparente bidireccional entre RS485 y Ethernet 9. Es fácil combinar servidores seriales instalados en múltiples rieles, lo que brinda mayor libertad. 10. Es adecuado para la actualización de la red Modbus y se puede utilizar junto con el software de configuración 3D. 11. Admite servidor TCP/cliente TCP/modo UDP/multidifusión UDP. 12. Soporte de sondeo continuo de múltiples host, fácil para la comunicación en la nube y la identificación de dispositivos. Especificación: Peso del paquete Peso de un paquete 0,14 kg/0,30 lb Un tamaño de paquete 12 cm x 8 cm x 6 cm (4,72 pulgadas x 3,15 pulgadas x 2,36 pulgadas) Cantidad por caja 100 Peso de la caja 16,00 kg/35,27 lb Tamaño de la caja 50 cm x 42 cm x 32 cm (19,69 pulgadas x 16,54 pulgadas x 12,6 pulgadas) Contenedor de carga 20GP: 396 cajas * 100 piezas = 39600 piezas 40HQ: 921 cajas * 100 piezas = 92100 piezas

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Features:1. Lavalier design, safe, portable and not easy to lose2. Support digital music playback in various MP3 music formats3. Can be used as a mobile flash drive to store MP3 songs or data anytime and anywhere4. Can be used as a TF card reader5. Adopt USB1.1/2.0 interface, support hot swap, both plug and play6. Use a variety of operating platforms, support WIN98/SE/ME/W7/8/10above version7. No mechanical parts, anti-vibration, anti-electromagnetic interference8. Built-in high-efficiency rechargeable lithium battery, long standby timeInstructions for use:1. Put the MP3 switch in the power-on state, turn the switch to ON, and start playing. The status light starts blinking.2. Press the play button again to start in the paused state.3. Press Volume Adjustment to adjust the size.4. Press the front and back to adjust the song you want to listen to.5. To stop playing, press Pause first to put the host in a paused state.6. Turn the switch to OFF state. Shutdown complete.Precautions for use:1. Please do not charge the MP3 with the USB port of the computer for more than 2 hours, otherwise it will easily cause the failure and damage of the built-in lithium battery of the MP3.2. Please dont pay attention to the status of the MP3 or charger indicator light when charging, it will be fully charged in 1.5 hours, and the MP3 or charger indicator light will not change any status after fully charged.3. Do not connect to the USB port of the computer for more than 2 hours at a time. When pulling out the MP3 from the computer, you must strictly follow the requirements of the computer operating system, delete the hardware first, and then unplug the MP3. Otherwise, it is very easy to cause the MP3 player to lose the software program.4. When the new machine is in normal use, please do not upgrade the firmware of the MP3 player.Product parameters:1. Memory card type: TF card2. Expansion card: support3. Operation mode: button type4. Interface: USB 2.05. Headphone jack: 3.5mm6. Support audio format: MP37. Screen color: monochrome screen8. Screen resolution: 160×1289. Menu language: English10. Battery capacity: 90mAh lithium battery11. Battery life: 2 hours12. Product size: 5 x 3.1 x 1.7 cm13. Weight: 21 grams14. Packing: crystal boxSpecification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 6cm * 6cm * 6cm / 2.36inch * 2.36inch * 2.36inch Qty per Carton 500 Carton Weight 27.00kgs / 59.52lb Carton Size 47cm * 47cm * 47cm / 18.5inch * 18.5inch * 18.5inch Loading Container 20GP: 256 cartons * 500 pcs = 128000 pcs40HQ: 596 cartons * 500 pcs = 298000 pcs

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Temperature-Humidity Sensor, DHT11 OnboardOverviewThis is a calibrated digital temperature and humidity module with onboard sensor DHT11. It can be used for detecting ambient temperature and humidity, through the standard single-wire interface.Specifications1. Temperature- Resolution : 1 degree C- Accuracy : +/-2 degree C- Measuring range : 0 degree C ~ 50 degree C2. Humidity- Resolution : 1%RH- Accuracy : +/-5%RH (0~50 degree C)- Measuring range : 20%RH ~ 90%RH (25 degree C)3. Operating voltage : 3.3V ~ 5.5 V4. Recommended storage condition- Temperature : 10 degree C ~40 degree C- Humidity : 60%RH or belowApplications1. Weather station2. Humidity controller3. Test & detection deviceHow to UseIn the case of working with a MCU:1. VCC: 3.3V ~ 5.5V2. GND: GND3. DOUT: MCU.IOPackage Contents1. DHT11 Temperature-Humidity Sensor x12. 3-pin custom connector jumper wire x1Specification: Package Weight One Package Weight 0.01kgs / 0.03lb One Package Size 4cm * 3cm * 1cm / 1.57inch * 1.18inch * 0.39inch Qty per Carton 7800 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 39cm * 40cm / 23.62inch * 15.35inch * 15.75inch Loading Container 20GP: 284 cartons * 7800 pcs = 2215200 pcs40HQ: 661 cartons * 7800 pcs = 5155800 pcs

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1. Panel táctil inteligente, tacto preciso, sensible y no atascado. 2. Utilizando tecnología de pantalla DLP, decodificación 4K HD 3. Admite proyección frontal de escritorio, proyección trasera y proyección colgante. 4. Admite reproducción de películas en 3D, altavoz con batería incorporada, puede reflejar de forma inalámbrica computadoras móviles en la misma pantalla 5. Compatible con la versión 5.0 de Bluetooth 6. Equipado con control remoto por infrarrojos, lo que facilita el entretenimiento y el trabajo. 7. Con procesador GPU ARM Mali-G31 MP2, utilizando CPU ARM Cortex-A55 de 4 núcleos 8. Compatible con el sistema operativo Android 9.0 9. Admite WiFi de banda dual 2.4G/5G, velocidad de transmisión rápida 10. Cuerpo mini delgado, llévelo consigo y sujételo con una mano. 11. Lente de vidrio recubierto resistente al desgaste incorporada, bombilla LED, para garantizar que la pantalla sea brillante y estable, y la vida útil de la luz es de hasta 20.000 horas. 12. Tamaño de proyección: 30-300 pulgadas 13. Decodificación de vídeo: compatible con 4Kx2K, HEVC/H.265 14. Formato de audio: MP3, AC3, OGG, APE, FLAC, AAC, WAV, WMA 15. Formato de vídeo: mkv, wmv, mpg, mpeg, dat, flv, avi, mov, iso, mp44, rmvb, jpg 16. Ranura para tarjeta TF: soporte máximo de 32 GB 17. Caché DDR3 de 4 GB, memoria de 32 GB. Admite reproducción de video mediante disco U enchufable y voz PPT. Especificación: Peso del paquete Peso de un paquete 0,60 kg/1,31 lb Un tamaño de paquete 20 cm x 15 cm x 10 cm (7,87 pulgadas x 5,91 pulgadas x 3,94 pulgadas) Cantidad por caja 10 Peso de la caja 7,50 kg/16,53 lb Tamaño de la caja 22 cm x 32 cm x 52 cm (8,66 pulgadas x 12,6 pulgadas x 20,47 pulgadas) Contenedor de carga 20GP: 728 cartones * 10 uds. = 7280 uds. 40HQ: 1691 cajas * 10 piezas = 16910 piezas

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1. Material: ABS environmental protection material 2. Usage: Weighing of kitchen spices, tea, milk powder, medicinal materials, chemical raw materials, hardware materials, etc. 3. Weighing specifications: 500g/0.1g 4. Units of measurement: grams (g), ounces (oz), grains (gn), carats (ct) 5. Power supply mode: button battery (CR2032) 6. Size: 5x7x2 cm 7. Capacity: 30ml 8. Remarks: shipped with battery 9. Automatically shut down after a period of inactivity 10. Unit conversion to meet different needs 11. Suspension design, convenient storage, not taking up space 12. With graduated measuring spoon, fully grasp the weight 13. Detachable spoon head, easy to clean and replaceSpecification: Package Weight One Package Weight 0.08kgs / 0.19lb One Package Size 24.5cm * 8.5cm * 3cm / 9.65inch * 3.35inch * 1.18inch Qty per Carton 356 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 356 pcs = 63012 pcs40HQ: 412 cartons * 356 pcs = 146672 pcs

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1. CPU: RK3399 4 x Cortex-A53 + 2 x Cortex-A722. RAM+ROM: 2GB+16GB / 4GB+32GB, Android 12 operation system3. 32 inch IPS screen, 1920x1080 resolution, 16:9 aspect ratio, 10 point capacitive touch4. Support WiFi 802.11b/g/n/a/ac, Bluetooth 5.0, 100M/1000M Ethernet5. Media format:- Video formats: MPEG-1, MPEG-2, MPEG-4, H.265, H.264, H 263, VC-1, VP8, VP9, MVC, etc. Support up to 4K- Audio format: MP3, WMA, AAC, WAV, OGG, etc-Picture format: JPEG, PNG, GIF, etc6. Interface: 1xType-C, 1xUSB3.0, 2xUSB2.0, 1xHDMI-in(1920x1080 60Hz), 1xDC power jack, 1xRJ45, 1x3.5mm headphone jack7. Double speakers 4 ohm 5W, dual microphones support noise reduction and echo cancellation8. 100x100mm wall-mounted VESA hole9. 12V/5A adapter, US / EU /UK plug optionalSpecification: Package Weight One Package Weight 8.80kgs / 19.41lb One Package Size 83cm * 13cm * 51cm / 32.68inch * 5.12inch * 20.08inch Qty per Carton 1 Carton Weight 10.00kgs / 22.05lb Carton Size 85cm * 15cm * 53cm / 33.46inch * 5.91inch * 20.87inch Loading Container 20GP: 394 cartons * 1 pcs = 394 pcs40HQ: 916 cartons * 1 pcs = 916 pcs

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1. Magnification: 1000-2000X 2. Working distance: 1.5-2mm 3. Size: 20x50mm 4. Main applications: PCB circuit board inspection, welding, microchip observation, product appearance inspection, jewelry observation, printing dot observation, mechanical parts observation, melt blown cloth observation, microcirculation observation, mechanical knife sharpening microscope 5. Note: This product is an optional high-magnification 2000 lens for the B011 microscope and needs to be used with HCB0991Specification: Package Weight One Package Weight 0.24kgs / 0.53lb One Package Size 18cm * 10cm * 4cm / 7.09inch * 3.94inch * 1.57inch Qty per Carton 80 Carton Weight 20.30kgs / 44.75lb Carton Size 36cm * 40cm * 40cm / 14.17inch * 15.75inch * 15.75inch Loading Container 20GP: 462 cartons * 80 pcs = 36960 pcs40HQ: 1074 cartons * 80 pcs = 85920 pcs

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1. Screen: 2.4-inch, IPS HD2. Camera: VGA lens; rotatable lens for taking photos3. Printing: 200 DPI4. Paper specifications: 57x30mm thermal paper5. Battery: 1300mAh6. Usage time: Approx. 1 hour of continuous shooting / prints 3-5 rolls of paper7. Main functions: Photo/video recording; instant photo printing8. Shooting modes: Photo stickers / burst mode / time-lapse / 3-minute loop recording9. TF card expansion: Supported up to 32GB (not included)10. Charging port: Type-C11. Languages: Chinese, English, Russian, Italian, Japanese, German, Polish, Dutch, Czech, Hungarian, Romanian12. Product dimensions: 87x55x90mm13. Net weight: 212g14. Package contents: Camera x1, User manual x1, Charging cable x1, Lanyard x1, Thermal paper roll x1Specification: Package Weight One Package Weight 0.28kgs / 0.63lb One Package Size 13cm * 11cm * 7cm / 5.12inch * 4.33inch * 2.76inch Qty per Carton 30 Carton Weight 9.00kgs / 19.84lb Carton Size 36cm * 34cm * 28cm / 14.17inch * 13.39inch * 11.02inch Loading Container 20GP: 778 cartons * 30 pcs = 23340 pcs40HQ: 1806 cartons * 30 pcs = 54180 pcs

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1. Battery capacity: 7.4V/2000 mA2. Product size: 330x175x155 mm3. Weight: 2.6 kg4. Frequency response: 100 Hz-18KHz5. Bluetooth protocol: Bluetooth 4.26. Dual speakers, independent bass system, 3D surround sound, enjoy wireless freedom7. Use AV to 3.5mm audio cable to connect to TV, let you feel the atmosphere of KTV at home8. Applicable scenarios: K singing, family activities, watching movies, listening to songs, partiesSpecification: Package Weight One Package Weight 3.02kgs / 6.65lb One Package Size 36cm * 20cm * 21.8cm / 14.17inch * 7.87inch * 8.58inch Qty per Carton 9 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 9 pcs = 1593 pcs40HQ: 412 cartons * 9 pcs = 3708 pcs

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Measurement method:Non-contact (Laser) PhotoelectricWorking Current:40mA1. Measurement range: 10-99999RPM2. Digital non-contact tachometer for measuring the speed of motors and other machines. The device is capable of displaying the results in RPM or revolutions. The portable device is capable of safely measuring a rotating object by a non-invasive method.3. Features: automatic range, speed measurement and speed counting, single trigger / laser indication, low battery / automatic power off indication, LCD backlight, etc.4. Battery: 3 1.5V AA batteries (not included), battery life is about 40 hours5. Resolution: (10-9999.9) 0.1RPM, (10000RPM or more) 1RPM6. Measuring distance: 50mm-200mm7. Product size: 12x5.3x2.8 cmSpecification: Package Weight One Package Weight 0.14kgs / 0.31lb One Package Size 15cm * 7cm * 5cm / 5.91inch * 2.76inch * 1.97inch Qty per Carton 242 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 242 pcs = 42834 pcs40HQ: 412 cartons * 242 pcs = 99704 pcs

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MIRA SALES | TECSUN RADIOTECSUN R-206 FM / MW Two-Band Radio A compact two-band portable radio with FM/MW reception, high sensitivity, an internal magnetic speaker and an external headphone jack. ⭐ MIRA SALES TIP The R-206 supports FM and medium wave reception and can use either an external 3–4.5V DC supply or 2 × D batteries, so check your preferred power option before ordering. FM / MWTwo-band reception 87–108MHzFM range 525–1610kHzMW range 12 × 19 × 5.5cmApprox. size Key Features Two-Band Reception Supports FM and medium-wave (AM) radio reception. Large-Diameter Speaker Uses an internal magnetic speaker designed for clear, audible output. Headphone Jack Includes an external headphone connection for personal listening. Flexible Power Can use external 3–4.5V DC power or 2 × D batteries; batteries are not included. Product Images — Auto Changing Every 2 Seconds More Product Photos Key Specifications Model TECSUN R-206 Reception FM / MW FM Range 87–108MHz MW Range 525–1610kHz Power External 3–4.5V DC or 2 × D batteries Size / Weight Approx. 12 × 19 × 5.5cm; package 0.18kg Package & VariantTECSUN R-206 two-band radio. SKU: TBD06064066.

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1. Material: electronic components2. Gain: 2.0dBi3. Frequency range: 1060-1120 MHz4. The antenna can be fixed on a conductive object connected to the ground, which can reduce electrostatic coupling interference5. Size: 17.9 x 2cm6. Weight: about 15 gramsSpecification: Package Weight One Package Weight 0.03kgs / 0.06lb One Package Size 20cm * 4cm * 2cm / 7.87inch * 1.57inch * 0.79inch Qty per Carton 500 Carton Weight 14.00kgs / 30.86lb Carton Size 30cm * 50cm * 46.7cm / 11.81inch * 19.69inch * 18.39inch Loading Container 20GP: 380 cartons * 500 pcs = 190000 pcs40HQ: 883 cartons * 500 pcs = 441500 pcs

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