Search results for "school electronics"

1. Projection parameters: Display technology: LCD Intrinsic resolution: 1280x720P Screen ratio: 16:9 Average brightness and uniformity: 170LM 65% White field color temperature: 11000K Working noise: 42DB Contrast: 1000:1 Lens type: F135 Throw ratio: 1.35 Projection size: 50~300 inches Projection distance: 1.65~9 M Focus mode: manual Keystone correction: manual 2. Interface parameters: Mainboard interface: AV/headphone/HDMIx2/USBx2/VGA Remote control type: infrared Remote control distance and angle: 7 meters/45 degrees 3. Light source: Type: LED Light source brightness: 5000 LM Light source life: 50000 4. System parameters Main chip: MST V56 WiFi: 2.4G (RK3036) Supported video formats: MPEG1/MPEG2/H.263/H.264/AVS/VC1/MJPEG/RV30/RV40/HEVC Supported audio formats: MPEG1/MPEG2/LPCM/MP3 Supported image formats: JEPG/PNG/BMP Multi-screen interaction: Android wireless same screen, iOS wired/wireless same screen, support screen projection 5. Specifications: Working power consumption: 75W+/-5W Standby power consumption: 2W Working voltage: 100V-240V 6. Packing list: projector, power cord, AV cable, remote control, manual, foot screws 7. Menu language: English, French, Spanish, German, Italian, Russian, Japanese, Korean, Vietnamese, Chinese, etc. 8. Dimensions: 222mm x 165mm x 87mmSpecification: Package Weight One Package Weight 2.03kgs / 4.48lb One Package Size 30.5cm * 12.7cm * 20.5cm / 12.01inch * 5inch * 8.07inch Qty per Carton 8 Carton Weight 15.20kgs / 33.51lb Carton Size 53cm * 43cm * 32cm / 20.87inch * 16.93inch * 12.6inch Loading Container 20GP: 365 cartons * 8 pcs = 2920 pcs40HQ: 848 cartons * 8 pcs = 6784 pcs

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1. Dual sensitive microphone, professional noise reduction, clear vocals 2. Independent recording button, quick control 3. Equipped with encryption function, set password to automatically encrypt recording 4. Support U disk function 5. Supports 8GB/16GB/32GB TF card expansion (not included) 6. Supports Windows XP/Vista/7/8 7. Display screen: 1.2-inch OLED 8. Battery: 3.7V/200mAh lithium battery 9. Working hours: about 20 hours 10. Recording format: MP3, WAV 11. Recording bit rate: 128K bps 12. Transmission interface: USB 2.0 13. Frequency response: 20Hz-20KHz 14. Audio output power: not less than 5mW 15. Product size: 72x20x8mmSpecification: Package Weight One Package Weight 0.13kgs / 0.30lb One Package Size 11cm * 8cm * 5cm / 4.33inch * 3.15inch * 1.97inch Qty per Carton 100 Carton Weight 13.00kgs / 28.66lb Carton Size 44cm * 40cm * 25cm / 17.32inch * 15.75inch * 9.84inch Loading Container 20GP: 606 cartons * 100 pcs = 60600 pcs40HQ: 1406 cartons * 100 pcs = 140600 pcs

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1. The ESP32-S3-LCD-0.85 is a microcontroller development board supporting 2.4GHz Wi-Fi and Bluetooth BLE 5. It features a small square-box molded plastic enclosure, compact and aesthetically pleasing with excellent texture. On-board peripherals include a 0.85-inch IPS color LCD display, Micro SD card slot, 8 RGB colorful lights, and a low-power audio codec chip, facilitating development for multimedia and interactive applications. Leveraging these hardware resources, the product enables functions like image display, audio playback, and lighting effects control. It is suitable for rapid prototyping and can be embedded into end products for personalized expansion and secondary development.2. Equipped with a high-performance Xtensa 32-bit LX7 dual-core processor, with a clock frequency up to 240MHz.3. Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), with an on-board antenna.4. Built-in 512KB SRAM, 384KB ROM, 8MB Flash, and 8MB PSRAM.5. Uses a Type-C interface, enhancing user convenience and device compatibility.6. On-board 0.85-inch LCD screen, 128 x 128 resolution, 65K colors.7. On-board 8 ring-shaped RGB colorful lights, programmable for various dynamic lighting effects.8. On-board 3.7V MX1.25 lithium battery charge/discharge interface.9. Exposed I2C, UART, and other solder pads allow for external device connections and debugging, enabling flexible peripheral configuration.10. On-board Micro SD card slot provides expanded storage, fast data transfer, and flexibility for data logging and media playback, simplifying circuit design.11. On-board resources include the ES8311 audio codec chip, dual-MIC microphone module, and others. LCD Screen Parameters:1. Operating voltage 3.3V/5V 2. Display size 15.21 x 15.21 mm 3. Display resolution 128 x 128 pixels 4. Display color: 65K 5. Display panel: IPS 6. Pixel pitch 39.6 x 118.8 um 7. Interface type: 4-wire SPI8. Driver IC: GC9107Specification: Package Weight One Package Weight 0.08kgs / 0.19lb One Package Size 8cm * 8cm * 5cm / 3.15inch * 3.15inch * 1.97inch Qty per Carton 120 Carton Weight 10.70kgs / 23.59lb Carton Size 42cm * 34cm * 32cm / 16.54inch * 13.39inch * 12.6inch Loading Container 20GP: 583 cartons * 120 pcs = 69960 pcs40HQ: 1354 cartons * 120 pcs = 162480 pcs

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Features1. UHF wireless in-ear monitoring system. 2. A built-in limiter circuit for stage performances and a wide range of sounds eliminates distortion at excessive input levels. 3. Metal panel and body shell, makes it sturdy and durable 4. Provides desktop-level monitoring in an in-ear monitoring and receiving system with a wireless range from 80 to 100m, and a frequency range of 550-580MHz. 5. The signal-to-noise ratio of the dynamic range is improved, so that the system has excellent anti-interference ability, and once again shows the good original soundTransmitter Specifications1. Case specification:Standard 1U Case 2. Material: Metal panel and body housing case 3. Frequency range: UHF550-580MHz 4. Frequency interval: 25MHz 5. Transmit output power:100mW(50 ohms) 6. Audio input: XLR & 6.3mm duplex outlet 7. Earphone output: 6.3mm jack, volume adjustable 8. Headphone load impedance: Greater than or equal to 16 ohms 9. Voltage current consumption: DC 12V 250mA 10. Antenna interface: TNC jack (50 ohms) 11. Size: 48 x 10.5 x 4.3cmReceiver Specifications1. Oscillation mode: PLL synthesized Frequency 2. Width Frequency range: UHF550-580MHz (Corresponding transmitter frequency) 3. Frequency interval: 25MHz 4. Operate mode: Manual adjust 5. Receiving mode: Single tuning. 6. Comprehensive Frequency Reaponse: 80Hz~15KHz+/-3dB 7. Output power (30 ohms): 2 x 35mW 8. Headphone load impedance: Greater than or equal to 16 ohms 9. Earphone output: 3.5mm jack 10. Power supply: 2 x AA batteries (not included) 11. Size: 8.5 x 6cmSpecification: Package Weight One Package Weight 3.36kgs / 7.41lb One Package Size 56cm * 30cm * 13cm / 22.05inch * 11.81inch * 5.12inch Qty per Carton 4 Carton Weight 14.20kgs / 31.31lb Carton Size 57cm * 32cm * 52cm / 22.44inch * 12.6inch * 20.47inch Loading Container 20GP: 281 cartons * 4 pcs = 1124 pcs40HQ: 652 cartons * 4 pcs = 2608 pcs

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1. Imaging unit: LCD 2. Resolution: 800*480 3. Brightness: 1800 lumens 4. Language: 23 species 5. Image size: 50~130 inches 6. Projection ratio 4:3 / 16:9 7. Contrast 1000:1 8. Machine power: 40w 9. Input interface: VGA/HDMI/USB/AV 10. Interface output: headphones 11. Input voltage: 100-240V~50/60Hz 2.6A 12. Can read U disk, mobile hard disk, SD card, three-in-one AV cable with set-top box, DVD, VGA interface or HDMI interface computer, another wiring connection, wireless WiFi connection 13. Product includes: projector host + remote control + power cord + three in one AV cable + manual + box 14. Host size: 189x157x75mm 15. Projection distance: 3-8mSpecification: Package Weight One Package Weight 1.52kgs / 3.35lb One Package Size 20cm * 17cm * 10cm / 7.87inch * 6.69inch * 3.94inch Qty per Carton 10 Carton Weight 16.60kgs / 36.60lb Carton Size 60cm * 33cm * 43cm / 23.62inch * 12.99inch * 16.93inch Loading Container 20GP: 313 cartons * 10 pcs = 3130 pcs40HQ: 727 cartons * 10 pcs = 7270 pcs

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Optical element 1. Projection size: 20-70 inches. 2. Projection distance: 1M ~3M. 3. Bulb: 10W LED bulb. 4. Lamp life: over 20000 hours. Optical parameters 1. Technology type: monolithic LCD Technology. 2. Physical resolution: 320*240. 3. Maximum resolution compatibility: 1920*1080 HD 1080P. 4. Brightness: 30 lumens. Accessories: remote control & product manuals & instructions & power adapters. Product size: 105*103*105mm weight: 0.5Kg.Specification: Package Weight One Package Weight 1.10kgs / 2.43lb One Package Size 21cm * 14cm * 14cm / 8.27inch * 5.51inch * 5.51inch Qty per Carton 20 Carton Weight 21.50kgs / 47.40lb Carton Size 50cm * 44cm * 42cm / 19.69inch * 17.32inch * 16.54inch Loading Container 20GP: 288 cartons * 20 pcs = 5760 pcs40HQ: 669 cartons * 20 pcs = 13380 pcs

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Features1. 3.5 inch high definition TFT transmissive LCD screen, 480(RGB) x 272 pixel, 70.02x52.58mm active area. 2. Fully DVB S/DVB S2, MPEG2/MPEG4 compliant, MPEG2 / H.264 hardware decoding. 3. Digital meter for signal strength and quality. 4. Support scan of auto, blind, manual or NIT. 5. Sound and light alarm for locking signal. 6. Auto calculate angle of AZ, EL. 7. Support DISEQC 1.0/1.1/1.2, 0/22KHz tone. 8. Speaker integrated. 9. Support both AV out and AV in. 10. LNB supply: 13V/18V, Max 400mA, LNB short protect. 11. 7.4V/3000mAh li-ion battery included. 12. Software upgrade via USB port. 13. Easy to carry. 14. Demodulation Type: QPSK, 8PSK. 15. Symbol rate: 2 less than Rs less than 45M band (SCPC/MCPC). 16. Input frequency 950~2150MHz, signal input level -65~ -25dBm, band switch control: 22KHz. 17. AV output / input interface: 3.5mm jack, CVBS video output / input, stereo audio L/R output / input.Video Decompression1. Resolving rate: PAL 25 frame at 720 x 576, NTSC 30 frame at 720 x 480. 2. Signal compatibility: Support conversion for different video formats. 3. Video format: 4:3, 16:9, by pan & scan and letter box conversion. 4. Audio decompression: MPEG1 Layer I/II, MPEG2 Layer I/II. 5. Audio output mode: Stereo, Mono, R/L.Specification: Package Weight One Package Weight 1.11kgs / 2.45lb One Package Size 23cm * 22cm * 7cm / 9.06inch * 8.66inch * 2.76inch Qty per Carton 20 Carton Weight 23.50kgs / 51.81lb Carton Size 48cm * 46cm * 37cm / 18.9inch * 18.11inch * 14.57inch Loading Container 20GP: 326 cartons * 20 pcs = 6520 pcs40HQ: 757 cartons * 20 pcs = 15140 pcs

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1. Display technology: LCD 2. Light source technology: LED 3. Standard resolution: 1280x720 4. Max supported resolution: 1920x1080 5. Projection scale: 1.35:1 6. CPU: RK3128 7. RAM+ROM: 2GB DDR3 + 16GB EMMC 8. System: Android 7.1 9. Trapezoidal correction: Four-point keystone correction 10. Power input: 65W 11. Input voltage: 20V 3.25A 12. Product size: 15x13.3x9.2cm 13. Net weight: 0.67kgSpecification: Package Weight One Package Weight 1.29kgs / 2.84lb One Package Size 18.2cm * 17.2cm * 18.8cm / 7.17inch * 6.77inch * 7.4inch Qty per Carton 12 Carton Weight 14.00kgs / 30.86lb Carton Size 54cm * 38cm * 40cm / 21.26inch * 14.96inch * 15.75inch Loading Container 20GP: 324 cartons * 12 pcs = 3888 pcs40HQ: 754 cartons * 12 pcs = 9048 pcs

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1. The 10.1-DSI-TOUCH-B is a portrait-oriented touchscreen LCD display designed for interactive projects such as tablets, entertainment systems, and information dashboards.2. IPS display panel with excellent display performance and a 170-degree viewing angle.3. Utilizes high-color gamut quantum dot technology for a wider color gamut and purer colors.4. Supports 10-point touch; the actual number of touch points depends on the software system.5. Tempered glass panel with a hardness of 6H.6. DSI interface drives the LCD with a refresh rate of up to 60Hz.7. Supports backlight brightness control via software.8. Aluminum alloy back shell design with purely passive cooling.9. Dimensions: 245.8 x 153.58 x 12.75 mmAccessories ist:- 10.1-inch display x 1- MIPI-DSI-Cable-12cm x 1- MX 1.25 2PIN to 2.54 3PIN connector cable x 1- FFC cable 22PIN approximately 200mm (opposite direction) x 2- MX1.25 2PIN to MX1.25 4PIN approximately 150mm x 1- Copper pillar kit x 1Specification: Package Weight One Package Weight 0.70kgs / 1.55lb One Package Size 27cm * 18cm * 4cm / 10.63inch * 7.09inch * 1.57inch Qty per Carton 16 Carton Weight 12.30kgs / 27.12lb Carton Size 29cm * 38cm * 34cm / 11.42inch * 14.96inch * 13.39inch Loading Container 20GP: 711 cartons * 16 pcs = 11376 pcs40HQ: 1652 cartons * 16 pcs = 26432 pcs

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1. Resolution: 1200DPI 2. Charging interface: USB type-c 3. Battery duration: 6 hours (2 hours when fully charged), standby time: 1 year 4. Connection: wifi / USB network 5. Applicable system: Android / IOS / Windows / Mac OS / Linux 6. Small size, easy to carry 7. Can print on rough, curved and uneven surfaces 8. Multi-line printing function can be enabled. When using a powerful multi-line frame, a total of 3m of content can be printed 9. One-key operation, easy to use 10. Dimensions: 75x51x68mm 11. Weight: 160gSpecification: Package Weight One Package Weight 0.17kgs / 0.38lb One Package Size 12cm * 9cm * 8cm / 4.72inch * 3.54inch * 3.15inch Qty per Carton 60 Carton Weight 11.70kgs / 25.79lb Carton Size 36cm * 36cm * 40cm / 14.17inch * 14.17inch * 15.75inch Loading Container 20GP: 514 cartons * 60 pcs = 30840 pcs40HQ: 1194 cartons * 60 pcs = 71640 pcs

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Screen Size:2" - 3" Focal Length:16 - 50mm Set Type:Fuselage Viewfinder Type:Electronic MegaPixel:10.0 - 20.0MP Storage Type:SD Card Image Resolution (Video):HD (1280x720) Image Stabilization:Electronic Image Stabilization Power Mode:Double A Battery Lens Type:Periscope Lens Sensor Size (inches):1/2.4 inches Special Feature:None Weight:101g-150g Screen Type:TFT LCD Screen External Flash:No Sensor Type:CMOS Model Number:Children Digital Camera Optical Zoom:Fixed Focus Brand Name:GOLDFOX Memory Card Type:MicroSD / TF Sensor Element Type:CMOS Recording Format:Picture: JPEG Video: AVI SLR Format:Full Frame Features:2.4" TFT LCD displays vivid image.Capture max 16 megapixels resolution pics, recording HD 720P resolution videos.Support external-memory expansion up to 32G SD card (speed above class-4, not included).Anti-shake, face detection, smile capture, continue shot, self-timer, 4x digital zoom, satisfy your daily needs.Support multi-language optional: English, French, Spanish, Portuguese, Deutsch, Italian, Russian, Japanese, etc. Specifications:Sensor: 16.0Mega Pixel CMOS chipScreen: 2.4" TFT LCDZoom: 4X digital zoomLight exposure: EV-3 - EV+3Video resolution: AVI, HD 1280x720P, WS 720 x 480, VGA 640x480, QVGA 320 x 240Image resolution: JPEG, 24M, 20M, 16M, 14M, 12M, 10M, 8M, 7M, 5M, 3M, 2M, VGAWhite balance: Auto/Daylight/Cloud/Fluorescent/IncandescentISO: Auto/ISO100/ISO200/ISO400Self-time: 2s/5s/10s delayContinue shot: Yes(VGA 6Pics)Anti-shake: YesMarco: YesMicrophone: YesInterface: USB2.0Memory: SD card above Class-4 (not included)Battery: need 3xAAA battery(battery not include)Size: 92mm x 60mm x 25mm / 3.66" x 2.36" x 0.98" Package includes: 1 x Digital Camera1 x USB Cable1 x User ManualSpecification: Package Weight One Package Weight 0.17kgs / 0.36lb One Package Size 13cm * 12cm * 8cm / 5.12inch * 4.72inch * 3.15inch Qty per Carton 50 Carton Weight 8.00kgs / 17.64lb Carton Size 30cm * 30cm * 44.4cm / 11.81inch * 11.81inch * 17.48inch Loading Container 20GP: 667 cartons * 50 pcs = 33350 pcs40HQ: 1549 cartons * 50 pcs = 77450 pcs

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OverviewDetects clockwise/anti-clockwise rotations: degrees and lapsSpecifications1. Pulses per lap: 152. Power: 3.0V ~ 5.3V3. Dimension: 32.1mm * 15.4mm4. Mounting holes size: 2.0mmApplicationsPositioning in Industrial ControlsHow to UseIn the case of working with a MCU:1. VCC -- 3.0V ~ 5.3V2. GND -- Power supply ground3. SW -- MCU.IO (encoder button status)4. SIB -- MCU.IO (output status)5. SIA -- MCU.IO (output status)Specification: Package Weight One Package Weight 0.02kgs / 0.04lb One Package Size 5cm * 2cm * 1cm / 1.97inch * 0.79inch * 0.39inch Qty per Carton 9600 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 40cm * 40cm / 23.62inch * 15.75inch * 15.75inch Loading Container 20GP: 277 cartons * 9600 pcs = 2659200 pcs40HQ: 644 cartons * 9600 pcs = 6182400 pcs

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