Search results for "educational electronics"

Features1. No backlight, keeps displaying last content for a long time even when power down 2. Ultra low power consumption, basically power is only required for refreshing 3. SPI interface, requires minimal IO pins 4. 2x user buttons and 1x reset button for easy interacting 5. Comes with development resources and manual (Raspberry Pi Pico C/C++ and MicroPython examples)Advantages Of EINK1. E-paper display utilizes microcapsule electrophoretic technology for displaying, the principle is: charged particles suspended in clear fluid will move to sides of microcapsule when electric field is applied, making the microcapsule become visible by reflecting ambient light, just as traditional printed paper. 2. E-paper display will clearly display images/texts under lamplight or natural light, requires no backlight, and features nearly up to 180 degree viewing angle. It is usually used as e-reader due to its paper-like effect.Specification1. Operating voltage: 3.3V 2. Display color: Red, black, white 3. Resolution: 800x480 pixels 4. Grey scale: 2 5. Interface: 3-wire SPI, 4-wire SPI 6. Viewing angle: Greater than 170 degree 7. Partial refresh time: N/A 8. Full refresh time: 5s 9. Outline dimensions: 170.2 x 111.2mm 10. Display size: 163.2 x 97.92mm 11. Refresh power: 26.4mW (typ.) 12. Standby current: Less than 0.01uA (almost none) 13. Dot pitch: 0.204 x 0.204 mmPackage List1. 7.5 inch e-Paper x1 2. Pico-ePaper-Driver-Board x1 3. Standoff pack x1Specification: Package Weight One Package Weight 0.09kgs / 0.20lb One Package Size 15cm * 12cm * 2cm / 5.91inch * 4.72inch * 0.79inch Qty per Carton 200 Carton Weight 17.00kgs / 37.48lb Carton Size 46cm * 32cm * 32cm / 18.11inch * 12.6inch * 12.6inch Loading Container 20GP: 566 cartons * 200 pcs = 113200 pcs40HQ: 1314 cartons * 200 pcs = 262800 pcs

Read more less

1. With copy function2. Used for: TV / VCR / SAT / CBL / STR-T / DVD / VCD / CD / HI-FI3. Long-distance distance: 8 meters or more4. Powered by 2 AAA batteries (not included)5. Product size: 18.8x5x32cm6. Weight: 77 gramsSpecification: Package Weight One Package Weight 0.09kgs / 0.21lb One Package Size 20cm * 6cm * 3cm / 7.87inch * 2.36inch * 1.18inch Qty per Carton 120 Carton Weight 12.30kgs / 27.12lb Carton Size 40cm * 36cm * 30cm / 15.75inch * 14.17inch * 11.81inch Loading Container 20GP: 617 cartons * 120 pcs = 74040 pcs40HQ: 1432 cartons * 120 pcs = 171840 pcs

Read more less

1. Operating voltage: bare board version: 3.3V; Module version: 3.3V/5V2. Communication interface: 3-wire SPI, 4-wire SPI3. Display colors: E6 full color4. Gray scale levels: 25. Global refresh rate: 15s6. Viewing angle: >170°7. Refresh power consumption: <100mW8. Sleep current: <0.01μA (near 0)9. Resolution: 600 x 400 pixels10. Display size: 76.2 x 50.8 mm11. Pixel pitch: 0.127 x 0.127 mm12. Size: bare panel version about 86.6 x 56 x 0.78 mm, module version about 89.5 x 59 mmFeatures:1. No backlight required; retains the last displayed content for an extended period after power loss2. Extremely low power consumption; power is consumed primarily during refresh cycles3. Comprehensive supporting documentation provided (driver board schematics, example programs for Raspberry Pi, Jetson Nano, Arduino, STM32, ESP32, etc.)4. The module board is designed based on the Raspberry Pi 40-pin GPIO interface, making it compatible with Raspberry Pi and Jetson Nano5. The module board adopts the Raspberry Pi HAT+ standard, enhancing the interoperability of expansion boards. This helps developers design and develop faster, use various external devices more easily, and expand the functionality and performance of the Raspberry Pi6. The module version includes a reserved SPI communication interface, facilitating connection to host boards such as Raspberry Pi, Arduino, STM32, and ESP327. The module version features an onboard level-shifting chip, enabling compatibility with both 3.3V and 5V interfaces.Specification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 12cm * 8cm * 3cm / 4.72inch * 3.15inch * 1.18inch Qty per Carton 190 Carton Weight 20.00kgs / 44.09lb Carton Size 50cm * 38cm * 34cm / 19.69inch * 14.96inch * 13.39inch Loading Container 20GP: 412 cartons * 190 pcs = 78280 pcs40HQ: 958 cartons * 190 pcs = 182020 pcs

Read more less

1. 4.3-inch IPS ultra-high definition screen, easy to use2. Built-in high-capacity lithium battery, long battery life3. Using the core of a powerful FPGA + MCU + high-speed ADC hardware architecture system waveforms smooth and clear4. Measurement of millivolt level of weak signals, support for 20M bandwidth limits5. Powerful waveform computing capabilities, real-time addition, subtraction, multiplication and division operations, in-depth analysis and processing of complex signals6. Real-time capture and display the changes in a variety of measurement parameters, forming a clear and concise data trend graph, but also has the ability to retain up to 5 groups of measurement data, at a glance7. Double current fuse, to prevent burning the meter more safely8. Easy to manage oscillometric images, can be connected to a computer via USB cable for secondary analysis9. Lightweight, one-handed, easy to put into a pocket or toolkit, convenient to carryBasic parameters:1. Screen material: surface tempered glass + glass GLASS material touch screen + IPS color screen2. Backlight: backlight brightness can be set3. Power supply: Type-C (5V/2A)4. Battery: 4000mAh li-ion battery5. Size: 145 x 98 x 35mm6. Weight: 360gOscilloscope parameters:1. Channel: dual-channel2. Bandwidth: 50MHz3. Real-time sampling rate: 250MSa / s4. Memory depth: up to 64kByte5. Time base range: 10ns/div-10s/div6. Vertical sensitivity: 10mv/div-10v/div7. Waveform display mode: YT / XY / scrolling8. Vertical resolution: 8 bits9. Input impedance: ΙΜΩ10. Bandwidth limitation: support 20MHz limitation11. Probe attenuation factor: 1x/10x12. Input coupling: AC/DC13. Trigger type: rising edge/falling edge14. Maximum voltage: +/-400V15. Trigger level range: 8 cells (positive and negative)16. Trigger mode: automatic / normal / single17. Memory space: 13M18. Measurement data: period, frequency, peak-to-peak value, maximum value, minimum value, average value, RMS value, amplitude, duty cycle and pulse widthSignal generator parameters:1. Different waveform output frequency: sine wave: 10MHz, other waveforms: 5MHz2. Waveform frequency: 0-10ΜΗz3. Waveform amplitude: 0.1V-3.0V4. Duty cycle of square wave: 0-100 percentMultimeter parameters:1. DC voltage: 1.9999V/19.999V/199.99V/1000.0V2. AC voltage: 1.9999V/19.999V/199.99V/760.0V3. DC current: 19.999mA/199.99mA/1.9999A/9.999A4. AC current: 19.999mA/199.99mA/1.9999A/9.999A5. Resistance: 19.999ΜΩ/1.9999ΜΩ/199.99ΚΩ/19.999ΚΩ/1.9999ΚΩ/199.99Ω6. Capacitance: 999.9uF/99.99uF/9.999uF/999.9nF/99.99nF/9.999nF9.999mF/99.99mF7. Temperature: -55-1300 degrees celsius/-67-2372 degrees fahrenheitSpecification: Package Weight One Package Weight 0.97kgs / 2.14lb One Package Size 24cm * 14cm * 7cm / 9.45inch * 5.51inch * 2.76inch Qty per Carton 20 Carton Weight 21.00kgs / 46.30lb Carton Size 49cm * 31cm * 39cm / 19.29inch * 12.2inch * 15.35inch Loading Container 20GP: 450 cartons * 20 pcs = 9000 pcs40HQ: 1044 cartons * 20 pcs = 20880 pcs

Read more less

1. Big sound pressure protection, care for students hearing2. Noise reduction microphone, suppress noise more clearly3. Using DSP digital signal processing system, high-speed real-time processing of sound signals, restore rich sound details4. Plug and play, convenient and fast, no need to install additional driver software5. Adjustable head beam, comfortable to wear, not tired for a long time6. Features: Exam headphones, noise reduction microphone, hearing care, DSP sound card, comfortable to wear, plug and play7. Cable length: 2.8m8. Impedance: 32 ohms9. Sensitivity: 98dB10. Wearing method: head-mounted11. Headphone output audio source: PC computer12. Plug type: USB-A13. Sounding principle: moving coil14. Frequency response range: 20-20000HzSpecification: Package Weight One Package Weight 0.50kgs / 1.11lb One Package Size 30cm * 22cm * 10cm / 11.81inch * 8.66inch * 3.94inch 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. Brand new and high quality. 2. It has two color printing: black and red. 3. It supports music bell. 4. Installation method: wall mountable. 5. Voltage: 100-240V 50 / 60HZ 6. Adaptation voltage: 13VSpecification: General Working Temperature 0-40 Degree Celsius Package Weight One Package Weight 2.23kgs / 4.92lb One Package Size 30cm * 27cm * 19cm / 11.81inch * 10.63inch * 7.48inch Qty per Carton 5 Carton Weight 13.70kgs / 30.20lb Carton Size 38cm * 36cm * 38cm / 14.96inch * 14.17inch * 14.96inch Loading Container 20GP: 512 cartons * 5 pcs = 2560 pcs40HQ: 1190 cartons * 5 pcs = 5950 pcs

Read more less

1. Screen: 2.0 HD IPS screen2. CMOS size: 1/6.53. Light source: 7 LED lights4. Focus mode: Manual focus5. Digital zoom: Not supported6. Lens structure: 4P+1R7. Aperture: F4.58. Lens angle of view: 20 degrees9. Interface: Type-C10. Voltage: 5V/1A11. Operating temperature: -10 degrees Celsius to 55 degrees Celsius12. Working humidity: 30%-85%RH13. Power consumption: 200mAh/3.7V14. Battery capacity: 650mAh15. Working time: 2.5h16. Charging time: 1.5h17. Support English, Simplified Chinese, Traditional Chinese, Japanese, Korean, Russian, French, German, Portuguese, Polish, Dutch, Thai, Italian, Spanish18. Small and convenient, easy to carry19. Built-in LED fill light, clear observation indoors and outdoors20. Camera and microscope two-in-one, double the field of viewSpecification: Package Weight One Package Weight 0.14kgs / 0.32lb One Package Size 12cm * 9cm * 5cm / 4.72inch * 3.54inch * 1.97inch Qty per Carton 120 Carton Weight 17.80kgs / 39.24lb Carton Size 50cm * 47cm * 32cm / 19.69inch * 18.5inch * 12.6inch Loading Container 20GP: 354 cartons * 120 pcs = 42480 pcs40HQ: 823 cartons * 120 pcs = 98760 pcs

Read more less

1. Round structure, connected to mobile phone, 45-degree observation, intelligent fill light, multiple magnification options, environmentally friendly materials2. Large-size focusing handwheel, non-slip design, smooth and fast focusing3. Rotating design, easy to operate4. Built-in double light source for upper and lower points, soft light, comfortable observation5. Can connect to mobile phone to take photos and videos6. Wear-resistant, not easy to scratch, non-toxic, no odor, not easy to damage, light and convenient7. Magnification: 100/400/1200 times8. Material: ABS9. Voltage: 4.5V10. Current: about 6A11. Power: 27W12. Light source: LED light13. Power supply mode: 3 AA batteries (not included)14. Applicable age: over 8 years old15. Dimensions: 14.5 x 8.2 x 25CMSpecification: Package Weight One Package Weight 1.00kgs / 2.21lb One Package Size 29cm * 26cm * 12cm / 11.42inch * 10.24inch * 4.72inch Qty per Carton 30 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 30 pcs = 5310 pcs40HQ: 412 cartons * 30 pcs = 12360 pcs

Read more less

Overview1. This is a serial interface E-Ink display module, 4.3 inch, 800×600 resolution, with embedded font libraries, ultra low power consumption.2. You do not have to know anything about the complex underlying details of e-Paper, nor the specific algorithms of displaying graphics, texts, and images. All it needs is the serial interface, and all it matters is your creativity.Features1. Easy to use, displays any contents via one serial interface, including geometric graphics, texts, and images2. Embedded font libraries, supports 32, 48 and 64 dot matrix GBK Chinese fonts and English fonts3. Built-in 128MB NandFlash, allows the font/image data to be stored in either an external TF card or the internal NandFlash4. 4 grey level displaying, 800×600 resolution5. Adjustable serial interface baud rate, 115200 by default when power up6. Powered from 3.3V to 5V, compatible with logic level7. Ultra low power consumption, sleeping current lower than 5mA8. Comes with host computer software, control it directly on your computerApplications1. e book2. Shopping mall POS3. Price label4. Industry instrumentPin Definitions1. VCC: 3.3V~5.5V2. GND: GND3. DOU : Serial data out4. DIN: Serial data in5. WAKE_UP: External wake up6. RST: External resetPackage Contents1.4.3inch e-Paper UART Module x11. XH2.54 6-pin cable ×1Specification: Package Weight One Package Weight 0.08kgs / 0.18lb One Package Size 10cm * 14cm * 2cm / 3.94inch * 5.51inch * 0.79inch Qty per Carton 320 Carton Weight 15.00kgs / 33.07lb Carton Size 40cm * 56cm * 40cm / 15.75inch * 22.05inch * 15.75inch Loading Container 20GP: 297 cartons * 320 pcs = 95040 pcs40HQ: 690 cartons * 320 pcs = 220800 pcs

Read more less

1. Equipped with the ESP32-S3-PICO-1-N8R8 high-performance Xtensa 32-bit LX7 dual-core processor, with a main frequency of up to 240 MHz2. Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), with built-in antenna3. Equipped with 512KB SRAM and 384KB ROM, and stacked 8MB Flash and 8MB PSRAM4. Adopting Type-C interface, enhancing the user usage convenience and device compatibility5. Equipped with a 1.43-inch capacitive touch high-definition AMOLED screen, with a resolution of 466 x 466, 16.7M colors, capable of clearly displaying color images6. Using AMOLED screen, featuring higher contrast, wider viewing angle, rich colors, and superior visual effect. It also has the advantages of a slim design, low power consumption, fast response, and high flexibility7. Equipped with the CO5300 driver chip and the CST820 capacitive touch chip, communicating via QSPI and I2C interfaces respectively, without occupying too many interface pin resources8. Equipped with a dual microphone array, capable of implementing audio algorithms such as noise reduction and echo cancellation, suitable for precise voice recognition and near-field/far-field voice wake-up applications9. Equipped with a BOOT custom function side button, facilitating the development of custom functions by using the button10. Equipped with a 3.7V MX1.25 lithium battery charging and discharging interface11. Exports 1 I2C, 1 UART and 1 USB pad, available for external devices and debugging use, allowing flexible configuration of peripheral functions12. Packaging list: ESP32-S3-Touch-AMOLED-1.43C host x 1; silver polyester drawstring x 1Specification: Package Weight One Package Weight 0.08kgs / 0.19lb One Package Size 8cm * 8cm * 4cm / 3.15inch * 3.15inch * 1.57inch Qty per Carton 215 Carton Weight 19.00kgs / 41.89lb Carton Size 50cm * 38cm * 34cm / 19.69inch * 14.96inch * 13.39inch Loading Container 20GP: 412 cartons * 215 pcs = 88580 pcs40HQ: 958 cartons * 215 pcs = 205970 pcs

Read more less

Description:1. Weight: 300 g2. Dimensions: 16 x 17 x 5 cm3. Material: ABS + PVC + Plastic Electronics4. Applicable age: 8 years old and above5. Power supply mode: 2 x AAA batteries(not included) for the spider, 2 x AAA batteries(not included) for remote control 6. Configuration instructions: with light, remote control, spiderSpecification: Package Weight One Package Weight 0.80kgs / 1.77lb One Package Size 28cm * 8cm * 21cm / 11.02inch * 3.15inch * 8.27inch Qty per Carton 36 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 36 pcs = 6372 pcs40HQ: 412 cartons * 36 pcs = 14832 pcs

Read more less

1. Built-in ST7735 driver chip2. 0.85-inch IPS display with 128 x 128 resolution, 65K color, high-definition display image3. SPI communication interface, simple interface, occupies few IO resources, convenient for embedded development4. 2.5D tempered glass panel, good light transmission, scratch-resistant and durable; edge arc design, smooth hand feel5. Mechanical key structure, pressing feels crisp, capable of coping with high-frequency usage6. Supports development on platforms such as Raspberry Pi, Arduino, ESP32, RP2040, STM32, etc., and provides complete supporting materials and sample programsParameters1. Working voltage: 3.3V2. Display color: 65K3. Display panel: IPS4. Communication interface: 4-wire SPI5. Resolution: 128 x 128 pixels6. Display size: 15.21 x 15.21mm7. Pixel pitch: 118.8 x 118.8 micrometers8. Control chip: ST7735Specification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 5cm * 4cm * 3cm / 1.97inch * 1.57inch * 1.18inch Qty per Carton 860 Carton Weight 27.00kgs / 59.52lb Carton Size 47cm * 38cm * 34cm / 18.5inch * 14.96inch * 13.39inch Loading Container 20GP: 439 cartons * 860 pcs = 377540 pcs40HQ: 1019 cartons * 860 pcs = 876340 pcs

Read more less