Search results for "school electronics"

1. Image sensor: 14 million pixel sensor2. Pixel size: 1/2.3 inches, 1.43x1.43um3. Frame rate: 60 frames4. Image resolution: 4320x3240, 1920x1080 (storage by TF card)5. Video format: MP4, MOV (TF card)6. Video resolution: 1920xl080 60fps7. USB video resolution: 1920x1080 30fps8. White balance: automatic or manual white balance9. Cross line: 4 colors are available, 4 horizontal lines and 4 vertical lines can be moved10. TF memory card interface: the upper limit is 32G, it is recommended to use 8G or 16G (the product does not contain TF card)11. Digital magnification: support 5X digital zoom12. USB interface: standard USB2.0 interface13. Freeze: freeze/thaw function14. OSD: Simplified/Traditional/English/Russian15. Exposure: Support EV value (exposure compensation) adjustment16. Color: R/G/B adjustable17. Lens: suitable for C or CS interface18. Camera interface: compatible with HDMI interface, USB 2.0 output interface, power interface, memory card interfaceSpecification: Package Weight One Package Weight 0.50kgs / 1.11lb One Package Size 22cm * 18cm * 11cm / 8.66inch * 7.09inch * 4.33inch 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

Read more less

1. Magnification: 1000X2. Focusing mode: manual3. Lens structure: 2G+1R4. Product pixel: 1280x1080P5. Sensor pixel: 2.0MP6. Visual angle: 16 degrees7. Battery capacity: 2600mA8. Camera light source: 8pcs adjustable LEDs9. Working temperature: 32-113 degrees Fahrenheit (0-45 degrees Celsius)10. Photo format: MJPEG11. Video format: MP4Specification: Package Weight One Package Weight 0.91kgs / 2.02lb One Package Size 25.5cm * 22.5cm * 9.5cm / 10.04inch * 8.86inch * 3.74inch Qty per Carton 14 Carton Weight 13.70kgs / 30.20lb Carton Size 52cm * 46cm * 37cm / 20.47inch * 18.11inch * 14.57inch Loading Container 20GP: 301 cartons * 14 pcs = 4214 pcs40HQ: 699 cartons * 14 pcs = 9786 pcs

Read more less

Specification1. USB: - USB 2.0 x 2 - USB 2.0 x 2 (via FFC connector) 2. GPIO: Raspberry Pi 40 PIN GPIO x 1 3. Header: M.2 slot x 1 4. HD media interface: HDMI x 2, 1x via FFC connector, support 4K 30fps output 5. DSI display: MIPI DSI x 1 (15pin 1.0mm FPC) 6. CSI camera: MIPI CSI-2 x 2 (15pin 1.0mm FPC) 7. Power input: 5V 8. FAN: 5V / 12V (no fan control) 9. RJ45 Ethernet: Gigabit Ethernet 10. CM4 slot: Suitable for all variants of Compute Module 4 11. SD card slot: MicroSD card socket for Compute Module 4 Lite (without eMMC) variants 12. Size: 85.0 x 56.0mmPackage List1. CM4-IO-BASE-B x 1 2. Metal case (top and bottom) x 1 3. Fan-4010-PWM-5V x 1 4. Screwdriver x 1 5. Screws pack x 1 6. 5V 3A USB-C power adapter x 1Specification: Package Weight One Package Weight 0.41kgs / 0.89lb One Package Size 16cm * 12cm * 5cm / 6.3inch * 4.72inch * 1.97inch Qty per Carton 40 Carton Weight 16.50kgs / 36.38lb Carton Size 50cm * 32cm * 27cm / 19.69inch * 12.6inch * 10.63inch Loading Container 20GP: 617 cartons * 40 pcs = 24680 pcs40HQ: 1432 cartons * 40 pcs = 57280 pcs

Read more less

1. The main purpose is to illuminate the microscope light through the bottom, suitable for observing some highly reflective objects such as stainless steel 2. Good quality and long service life 3. How to use: buckle with the HCB0990 digital microscope lens, and place the object to be observed on the black disk at a suitable position 4. Size: 40x13x170mm 5. Note: This product is a specific accessory of the HCB0990 digital microscope and cannot be used alone or in conjunction with other productsSpecification: 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

Read more less

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, providing stable connection and efficient transmission.11. Integrated PoE module makes the development boards power supply more flexible.12. Only one network cable connected to a PoE device is needed for the ESP32-P4-WIFI6-POE-ETH to achieve networking and power supply.13. Uses an IPS full-laminated tempered glass panel with a 178-degree wide viewing angle, supports ten-point touch, and provides a clear picture and excellent visual experience.14. Dimensions: 55x68mmRaspberry Pi camera type B:1. Image sensor: OV56472. CMOS size: 1/4 inch3. Pixels: 5 million4. Aperture: F2.05. Focal length: 6mm6. Diagonal field of view: 60.6 degrees7. Infrared night vision: not supported8. Focusing method: manual focus1. Screen model: 10.1-DSI-TOUCH-A2. Resolution: 800 x 1280 (H x V)3. Communication interface: MIPI-DSI (2-lane)4. Brightness: 400cd/m25. Touch chip: GT92716. Dimensions: 147.0 × 239.0 (mm)7. Display size: 135.36 × 216.58 (mm)8. Pixel size: 0.1692 (H) × 0.1692 (V) (mm)9. Contrast ratio: 800:1Package contents:- ESP32-P4-WIFI6-POE-ETH x 1- 10.1-inch display x 1- SH1.0 4PIN connecting cable (approx. 150mm) x 2- 1217 cavity speaker 8Ω 2W x 1- 2.4G antenna x 1- RPi camera (B) x 1- FFC cable - 15-pin ribbon cable x 1- MIPI-DSI cable 12cm x 1- MX 1.25 2-pin to 2.54 3-pin connector cable x 1- FFC cable 22-pin 200mm (reverse direction) x 2- MX1.25 2-pin to MX1.25 4-pin cable approximately 150mm x 1- MX1.25 2-pin to SH1.0 2-pin connector cable approximately 80mm x 1- USB Type-A dual male cable x 1- USB Type-A to Type-C cable approximately 1 meter x 1- Copper standoffs pack x 1- Screw pack x 1Specification: Package Weight One Package Weight 0.50kgs / 1.11lb One Package Size 23cm * 16cm * 7cm / 9.06inch * 6.3inch * 2.76inch Qty per Carton 16 Carton Weight 9.10kgs / 20.06lb Carton Size 48cm * 34cm * 30cm / 18.9inch * 13.39inch * 11.81inch Loading Container 20GP: 544 cartons * 16 pcs = 8704 pcs40HQ: 1264 cartons * 16 pcs = 20224 pcs

Read more less

1. Power supply: DC dual power supply ± 58 ± 70v2. Rated output power: 500w (± 65v power supply, 4 ohm load, 10% deformation)3. Efficiency: greater than 90%4. S / N ratio: 90db5. Total harmonic distortion:380w (+/- 65 power 4 ohm speaker, distortion <0.1%)280w (+/- 65 power 8 ohm speaker, distortion <0.1%)6. Frequency range: 20Hz-20kHz7. Voltage magnification: 36 times8. Input sensitivity 1.5v (RMS)9. Output short circuit protection: yes10. Output DC bias protection Speaker protection: yes11. Overheat protection: Yes, the temperature of the radiator is higher than 100 degrees Celsius, turn off the output!12. Product size: about 100 × 50 × 30mm13. Net weight: 100gSpecification: Package Weight One Package Weight 0.12kgs / 0.25lb One Package Size 15cm * 10cm * 5cm / 5.91inch * 3.94inch * 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

Read more less

1. New version of ESP32: REV1 2. Wi-Fi/Bluetooth/4MB flash memory/4MB PSRAM/3D antenna/LORA Product description 1. Working voltage: 1.8~3.7v 2. Acceptable current: 10~14mA 3. Emission current: -120mA at +20dBm -90 mA at +17dBm -29mA at +13dBm 4. Working frequency: 868MHz version SX1276 5. Transmitting power: + 20dBm 6. Receiving sensitivity: - 139dBm at LoRa and 62.5Khz & SF = 12 and 146bps - 136dBm at LoRa and 125Khz&SF = 12 & 293bps - 118dBm at LoRa & 125Khz & SF = 6& 9380bps - 123dBm at FSK & 5Khz & 1.2Kbps 7. Frequency error: +/- 15KHz 8. FIFO space: 64Byte 9. Data rate: - 1.2K~300Kbps at FSK - 0.018K~37.5Kbps in LoRa 10. Modulation mode: FSK, GFSK, MSK, GMSK, LoRa TM, OOK 11. Interface form: SPI 12. Sleep current: - 0.2uA in SLEEP - 1.5uA in IDLE 13. Working temperature: -40 degrees Celsius-+ 85 degrees Celsius 14. Digital RSSI function 15. Automatic frequency correction 16. Automatic gain control 17. RF wake-up function 18. Low pressure detection and temperature sensor 19. Fast wake-up and frequency hopping 20. Highly configurable packet handler Global Positioning System 1. GPS module NEO-M8N, 3V-5V power supply universal 2. Designated module with ceramic antenna, super strong signal 3. Save configuration parameter data EEPROM Down 4. With data backup battery 5. With LED signal indicator 6. The default baud rate: 9600 Power 1. TP5400 2. 2A battery management 3. LED indicator: There are 4 LEDs to display the battery status in real time. 4. Power button: Click once to start. Tap twice quickly to close. 5. USB 6. CP2104-GMR 7. Pre-flash firmware: SoftRF V4.0 Packing list: 1. TTGO T-Beam ESP32 2. 433MHz antenna 3. Pin x 1 4. Screw Washer x 3 Note: OLED is not included in the invoiceSpecification: Package Weight One Package Weight 0.09kgs / 0.19lb One Package Size 22cm * 18cm * 5cm / 8.66inch * 7.09inch * 1.97inch Qty per Carton 100 Carton Weight 7.00kgs / 15.43lb Carton Size 45cm * 37cm * 52cm / 17.72inch * 14.57inch * 20.47inch Loading Container 20GP: 308 cartons * 100 pcs = 30800 pcs40HQ: 715 cartons * 100 pcs = 71500 pcs

Read more less

Parameter:1. Material: ABS+Silicone2. AC voltage: 0-750V3. DC voltage: 0-1000V4. AC current: 0mA-10A5. DC current: 0mA-10A6. Resistance: 0-60 milliohms7. Capacitance: 0nF-100mF 0nF-100mF8. Hertz: 0Hz-999.9kHz9. Temperature: -40~1000 degrees Celsius / -40~1832 degrees Fahrenheit10. Counting: 6000 counts11. Display: VA color display12. Screen: touch screen13. Built-in battery: 3.7V 2800mAh lithium battery14. Product size: 152x76x25mm15. Product weight: 217 gramsDescribe:1. Including AC/DC voltage, AC/DC current, resistance, capacitance, temperature, frequency, diode, buzzer, neutral line, duty cycle and other measurement functions2. Intelligent sensor touch screen, easy to operate3. VA color reverse display, display 6000 times (MAX), with data hold function, clearly read the measured value in various working environments4. NCV non-contact induction, using NCV sensor for induction, the closer to the power supply, the faster the alarm, the flashlight flashes red5. The flashlight illuminates the front. In a dark environment, you are no longer afraid of not being able to see the measured position. It is a good helper for night work6. Soft silicone wire, high-quality test wire has the characteristics of tensile and high temperature resistance, and has the function of anti-freezing and anti-burning7. Built-in rechargeable lithium battery: no need to buy and replace the battery again, equipped with a C-type cable for charging, safer and more convenient8. Silicone protective case: Wrapped with a silicone protective case, it can effectively prevent falling, protect the multimeter from damage, shockproof and scratch-resistantSpecification: Package Weight One Package Weight 0.49kgs / 1.08lb One Package Size 21cm * 11cm * 6cm / 8.27inch * 4.33inch * 2.36inch Qty per Carton 62 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 62 pcs = 10974 pcs40HQ: 412 cartons * 62 pcs = 25544 pcs

Read more less

1. Brand new and high quality. 2. Small and lightweight, easy to carry. 3. Display devices use high bright LED digital tube, stunning display effect. 4. With reverse polarity protection, reverse not burned. 5. The voltmeter only two wires, wiring simple and reliable performance. 6. Suitable for measuring DC voltage, no need external power, measure range: 4.5V ~ 30V. 7. Wide voltage to work, red measure min voltage 2.5V, safe load voltage max 40V, over 40V, maybe damaged. 8. When measuring voltage below 10V, two digits are displayed after the decimal point; when measuring voltage above 10V, one digit is displayed after the decimal point.Specification: General Material Electronic Component Current <30mA Measure Range DC 4.5-30V Input impedance >50Kohm Operating Temperature -10 ~ 65 Degree Celsius Cable Length 20cm Operating Humidity 10 ~ 80% Reading Display 0.56 inch Cutting Size 45.5x25.5mm Size 48x29x22mm Weight 16g Package Weight One Package Weight 0.17kgs / 0.38lb One Package Size 18cm * 10cm * 7cm / 7.09inch * 3.94inch * 2.76inch Qty per Carton 80 Carton Weight 14.50kgs / 31.97lb Carton Size 52cm * 37cm * 36cm / 20.47inch * 14.57inch * 14.17inch Loading Container 20GP: 385 cartons * 80 pcs = 30800 pcs40HQ: 893 cartons * 80 pcs = 71440 pcs

Read more less

1. Size: 9x8x4cm2. Storage medium: TF card3. LCD screen size: 2.4 inches4. Pixel range: Front and rear dual camera 1200W pixels5. Material: ABS6. Battery life: 2-3 hours7. Weight: 175g8. Input voltage: 5V/1A9. Printing method: Thermal black and white printing10. Support paper: Thermal paper, thermal sticker11. Battery capacity: 1500mah12. Power supply mode: USB power supplyPacking list: 1. Print camera x 12. Data cable x 13. Sticker book x 14. Lanyard x 15. Film x 16. Color pen set x 17. Printing paper x 2Specification: Package Weight One Package Weight 0.25kgs / 0.56lb One Package Size 12cm * 12cm * 8cm / 4.72inch * 4.72inch * 3.15inch Qty per Carton 80 Carton Weight 21.00kgs / 46.30lb Carton Size 52cm * 27cm * 42cm / 20.47inch * 10.63inch * 16.54inch Loading Container 20GP: 452 cartons * 80 pcs = 36160 pcs40HQ: 1049 cartons * 80 pcs = 83920 pcs

Read more less

1. Frequency response: 50Hz-20KHz 2. Impedance: 2.2K ohm 3. Directionality: Omnidirectional 4. Plug: 3.5mm gold plated straight 5. Applicable: mobile phones/laptops/desktop computers/repeaters/recording pens, etc. to improve the sound quality of the original built-in microphone 6. Microphone size: 6.0x2.7mmSpecification: Package Weight One Package Weight 0.01kgs / 0.03lb One Package Size 15cm * 12cm * 2cm / 5.91inch * 4.72inch * 0.79inch Qty per Carton 360 Carton Weight 3.24kgs / 7.14lb Carton Size 45cm * 48cm * 60cm / 17.72inch * 18.9inch * 23.62inch Loading Container 20GP: 205 cartons * 360 pcs = 73800 pcs40HQ: 477 cartons * 360 pcs = 171720 pcs

Read more less

About The ProtuctThis is an industrial expansion module based on Raspberry Pi CM4, which features common interfaces such as Gigabit Ethernet, HDMI, USB, and GPIO, allows additional 4G / 5G / LoRa wireless communication modules to be connected via the M.2 or Mini-PCIe socket. There are also industrial interfaces/resources including RS485, CAN, and RTC. Combined with the industrial rail-mount protection case, the module is an ideal choice for building IoT gateway, 4G/5G router, IoT data acquisition, or even the PLC device in industrial automatic control system, and more.Specifications1. CM4 socket: For all variants of Compute Module 4 2. Networking: - Gigabit Ethernet RJ45 - M.2 B KEY / Mini-PCIe (via adapter), for connecting 5G / 4G / LoRa wireless module - Nano-SIM card slot, support standard Nano-SIM card for 5G/4G/3G/2G communication 3. USB: USB 2.0 x 3 4. PIN header: Non-isolated RS485 x 2, non-isolated CAN x 1, some GPIO pins 5. Camera: MIPI CSI-2 x 1 (15pin 1.0mm FPC connector) 6. Video: HDMI x 1, support 4K 30fps output 7. RTC: Real-time clock with battery socket and ability to wake Compute Module 4 8. Storage: MicroSD card socket for Compute Module 4 Lite (without eMMC) variants 9. Fan header: 5V/12V, allows speed adjustment and measurement 10. Power input: 5V or 7~36V 11. Dimensions: 145 x 90 x 40mmPackage List1. CM4-IO-WIRELESS-BASE x 1 2. PCIe to 4G/LoRa adapter x 1 3. Screwdriver x 1 4. Screws pack x 1 5. 12V 2A power adapter x 1Specification: Package Weight One Package Weight 0.38kgs / 0.83lb One Package Size 16cm * 12cm * 5cm / 6.3inch * 4.72inch * 1.97inch Qty per Carton 40 Carton Weight 15.50kgs / 34.17lb Carton Size 50cm * 32cm * 27cm / 19.69inch * 12.6inch * 10.63inch Loading Container 20GP: 617 cartons * 40 pcs = 24680 pcs40HQ: 1432 cartons * 40 pcs = 57280 pcs

Read more less