Search results for "school electronics"

OverviewSpeaker expansion module designed for micro:bit, makes your micro:bit become a music player easily.Furthermore, it can also be used for Arduino development, compatible with 3.3V/5V Arduino boards.Features1. Onboard Hi-Fi chip NS80022. Sound volume adjustment3. Earphone jack output4. Comes with development resources (micro:bit graphical demo/python code/Arduino demo/user manual, etc.)Specifications1. Operating voltage: 2.0V ~ 5.5V2. Dimension: 36.52mm x 43.44mm3. Through holes diameter: 3.2mmSpecification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 6cm * 5cm * 2cm / 2.36inch * 1.97inch * 0.79inch Qty per Carton 1600 Carton Weight 86.40kgs / 190.48lb Carton Size 60cm * 40cm * 40cm / 23.62inch * 15.75inch * 15.75inch Loading Container 20GP: 277 cartons * 1600 pcs = 443200 pcs40HQ: 644 cartons * 1600 pcs = 1030400 pcs

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1. Designed for Laser Engraver, 3D printer, CNC mill, Arduino project. 2. 15W Optical power output, 4mm plywood from 1 pass(speed 200), 3mm black acrylic board from 1 pass. Able to engrave stainless steel, but it needs good focus adjustment. 3. More Safety, Built-in protective glass to protect eyes! Even without wearing protective glasses, the operation is more comfortable. 4. More Quiet, Intelligent drive adjust the cooling fan speed according to laser temperature. 5. Easy use, Digital PWM wave pulse signal generator adjustable frequency duty cycle board for NEJE laser module. 6. Slidable mounting fixture is provided for easy adjustment of focus. Specification: 1. Heatsink Material: Aircraft Aluminum + Brass Shell 2. Luminous Color: Blue 3. Section Size: 40mm x 40mm 4. Cooling Mode: Temperature sensor intelligent control + 10000 rpm 40mm cooling fan 5. Dimension: 60 x 40 x 40mm 6. Adapter Plug: 5.5 2.1 port 7. Can Engrave: MDF/Balsa/Paper/Wood/Fabric/Plastic/Leather/Plywood/Foam Paper/Anodized Aluminum/Mirror Stainless Steel 8. Can Not Engrave: Metal/Glass/Stone/Ceramics/PCB/Stainless Steel/Reflective Material/ Transparent Material Technical Parameters: 1. Module Input: 30-40W 2. Optical power output: 15W 3. Wavelength: 445-450nm 4. Beam Shape: Dot (Focusable) 5. Working Voltage: DC 12V 6. TTL&PWM Modulation: YES, compatible with Both TTL & PWM Modulation 7. Input Voltage: DC12V 3-4A 8. PWM/TTL Input: DC3.3V-12V 9. Input Interface: PH2.0-4Pin (+,-, PWM/TTL, Temperature), 3Pin (+,-, PWM/TTL) , 2Pin+2Pin (+,-) + (PWM/TTL,-) 10. NOTE: Temperature interface can be disconnected 11. Drive Mode: External ACC 12. Safe temperature range: <60 degrees Celsius 13. Module weight: 202g ( The lighter the weight, the smaller the moving inertia, the better the performance ) 14. Life Time: 10000-20,000 hours Package Included - 1 x Laser Engraving Module - 1 x Laser Module Sliding fixture - 1 x 4 Pin Cable(1m) - 1 x NEJE Digital PWM Wave Pulse Signal Generator Adjustable board - 1 x 2.5mm L-shaped wrench - 1 x 5mm L-shaped wrench - 1 x 4Pin Cable - 1 x 3Pin Cable - 1 x 2Pin CableSpecification: Package Weight One Package Weight 0.38kgs / 0.84lb One Package Size 17cm * 11cm * 6cm / 6.69inch * 4.33inch * 2.36inch Qty per Carton 50 Carton Weight 22.50kgs / 49.60lb Carton Size 55cm * 35cm * 32cm / 21.65inch * 13.78inch * 12.6inch Loading Container 20GP: 432 cartons * 50 pcs = 21600 pcs40HQ: 1004 cartons * 50 pcs = 50200 pcs

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Hardware specifications:1. Chipset: S905X5M 2.0GHz 64-bit Quad-core Cortex-A55 2. GPU: Mali-G3103. RAM: 2GB/4GB4. ROM: 16GB/32GB/64GB5. USB: Type-A USB2.0x26. LAN: Ethernet:1000M standard RJ-45 7. Wireless: 2.4G /5G dual-band Wifi 802.11 a/b/g/n/ac8. Bluetooth: V5.09. Card reader: Micro SD cards 10. HDMI: HDMI 2.1bfor 4Kx2K 60fps11. HDR: Supports Dolby Visionoptional, HDR10+, HDR10, HLG HDR processing12. 3D: 3D Video formats 13. Power Indicator (LED): Red, Digital Tube LED Display14. Power supply: input: 100-240V 50/60HZ, output: DC 5V/2.0A 15. AV: SupportMain features:1. Operating system: Android 14.02. Support Decoder format: AV1 MP-10 L5.1 up to 4Kx2K 60fps, VP9 Profile-2 up to 4Kx2K 60fps, H.265 HEVC MP-10 L5.1 up to 4Kx2K 60fps, AVS2-P2 Profile up to 4Kx2K 60fps, H.264 AVC HP L5.1 up to 4Kx2K 30fps, MPEG-4 ASP L5 up to 1080P 60fps (ISO-14496), WMV/VC-1 SP/MP/AP up to 1080P 60fps, AVS-P16(AVS+) /AVS-P2 JiZhun Profile up to 1080P 60fps3. Support Media format: Avi/Ts/Vob/Mkv/Mov/ISO/wmv/asf/flv/dat/mpg/mpeg 4. Support Music format: MP3/WMA/AAC/WAV/OGG/DDP/HD/FLAC/APE 5. Support Photo format: HD JPEG/BMP/GIF/PNG/TIFF6. HDD file system: FAT16/FAT32/NTFS7. Support Subtitle: SRT/SMI/SUB/SSA/IDX+USB8. High Definition video output: 4K (4096x2160 pixel ) 9. OSD type of languages: English/French/German/Spanish/Italian/ etc 10. Mouse/ Keyboard: Support mouse and keyboard via USB;Support 2.4GHz wireless mouse and keyboard via 2.4GHz USB dongle Software specifications:1. Network Function: KODI 18.1, Neflix, Vudu, Skype chatting, Picasa, Flicker, Youtube, Facebook, Online movies, etc 2. Other feature: Free Internet searching, thousands of android applications, many kinds of games, etc. Packing list:1. TV box x 12. HD cable x 13. User manual x 14. Packing box x 15. Power adapter x 16. Remote control x 1Specification: Package Weight One Package Weight 0.35kgs / 0.78lb One Package Size 19cm * 12cm * 6cm / 7.48inch * 4.72inch * 2.36inch Qty per Carton 30 Carton Weight 10.90kgs / 24.03lb Carton Size 58cm * 30cm * 25cm / 22.83inch * 11.81inch * 9.84inch Loading Container 20GP: 613 cartons * 30 pcs = 18390 pcs40HQ: 1423 cartons * 30 pcs = 42690 pcs

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1. Magnification: 500-1000X 2. Working distance: 8-9mm 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 1000 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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Main Features1. Humanized design and streamlined fashion 2. Support frame is attached at the back for convenient measurement 3. There is a probe card slot on the back for easy collection 4. Diode and triode test 5. Transistor HFE test 6. 550V protection function 7. On off alarm 8. Backlight display 9. True effective value 10. 600mA fuse 11. Memory function, data retention 12. Battery type: 9V (NEDA1604/6F22) 13. Maximum display: 5999 (55/6) automatic polarity displaySpecification: Package Weight One Package Weight 0.26kgs / 0.57lb One Package Size 20cm * 10cm * 5cm / 7.87inch * 3.94inch * 1.97inch Qty per Carton 80 Carton Weight 21.00kgs / 46.30lb Carton Size 47cm * 38cm * 40cm / 18.5inch * 14.96inch * 15.75inch Loading Container 20GP: 373 cartons * 80 pcs = 29840 pcs40HQ: 866 cartons * 80 pcs = 69280 pcs

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Specifics: 1. Operating Mode: Auto Range 2. Display LCD: 6000counts 3. Battery: 1.5V AAA*2 (not included) Features: Convenient single-hand side slot design, the test lead can be fixed different direction for various use, such as test lead up-side fixed type for detection, down-side for maintenance, etc. Live wire check fuction can detective the live wire conveniently and quickly: just put the red test lead into power socket, there will light flash and alert beeper sounds if it is live wire. V-alert measurement: There is no need to contact tested device directly to prevent any possible danger, just put the multimeter near close to it, it will light flash and alert beeper sounds if indentify AC voltage existence. Mini size for easy to carry, in your palm or pocket; back clip design make it portable. Transform measurement between AC voltage/current and frequency by pressing "Hz" button. Measures AC/DC voltage and current, reistance, diode, continuity Frequency measurement by terminals (AC voltage/current) Auto range, Auto power off, data hold, backlight, low battery indication Specification: General Model ADM92 Types Current Tester Security Requirement CAT III Package Weight One Package Weight 0.21kgs / 0.47lb One Package Size 18cm * 12cm * 6cm / 7.09inch * 4.72inch * 2.36inch Qty per Carton 100 Carton Weight 21.50kgs / 47.40lb Carton Size 38cm * 36cm * 32cm / 14.96inch * 14.17inch * 12.6inch Loading Container 20GP: 609 cartons * 100 pcs = 60900 pcs40HQ: 1414 cartons * 100 pcs = 141400 pcs

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1. Maximum video pixels: 1920x1080P2. Lens optical size: 1/43. Camera resolution: 3M (2048x1536P), 2M (1920x1080P), 1M (1280x720P)4. Video resolution: VGA 720P 1080FHD5. Video format: MOV6. Focus mode: manual7. Picture format: JPG8. Magnification: 500/10009. Light source: 8 LEDs (brightness adjustable)10. Focusing range: 10-40mm (you can watch the distant view)11. PC resolution and image transmission rate: 1280x720/36fps12. Support languages: Simplified Chinese, Traditional Chinese, English, Japanese, Korean, French, German, Italian, Polish, Russian,13. Lens structure: 2G+IR14. Aperture: F4.515. Lens angle of view: 16 degrees16. Interface and signal transmission method: Micro/USB2.017. Working current: 470mA18. Power consumption: 2.35W19. APP working environment: Android5.0 and above, IOS and above20. Power supply: 2000 mA lithium battery, USB charging21. Function: circuit board inspection, animal observation, plant observation, jewelry inspection22. Weight: 600 grams23. Dimensions: 148x78x145 mmPacking list:1. Microscope body2. Adjustable bracket3. Charging cable4. Calibration ruler5. Scale bottom plate6. Packing box7. CD8. Control LineSpecification: Package Weight One Package Weight 0.60kgs / 1.33lb One Package Size 16cm * 10cm * 7cm / 6.3inch * 3.94inch * 2.76inch Qty per Carton 50 Carton Weight 30.00kgs / 66.14lb Carton Size 58cm * 36cm * 25cm / 22.83inch * 14.17inch * 9.84inch Loading Container 20GP: 510 cartons * 50 pcs = 25500 pcs40HQ: 1185 cartons * 50 pcs = 59250 pcs

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1. The frequency meter capable of measuring the parameters of the frequency of the continuous carrier signal walkie-talkies, with signal strength indicator. 2. This portable frequency counter is designed for counting continuous wave signal comes from two-way radio. 3. There are easy ranges for you to choose. The ranges cover most of the frequency of the two way radios you want to measure. 4. 4 buttons for all function control, its four-button control is easy to use and its small size allows you to carry it anywhere you like. 5. Work by TCXO (crystal) Osc.2~2.5ppm. 6. Use for VHF/UHF walkie-talkies. 7. Auto power off 1-9 minutes. 8. Frequency response time: 0.2-0.5s (CTCSS/CDCSS>0.5-1s). 9. 240*320 pixel color LCD. 10. Digital select digi0.000 or 0.0000. 11. Frequency range: 27MHz-3000MHz (Note: 27-100MHz, it can not be guaranteed and the corresponding normal emission appliance)Specification: General Model SF401 Plus Material PC ABS Voltage 3.7V Battery Types Lithium-ion Battery Size 10.3*7*2.8cm Weight 102g Package Include Package Contents 1 x Detachable Antenna 1 x User Manual 1 x USB Cable 1 x Frequency Counter 1 x Power Adapter Package Weight One Package Weight 0.27kgs / 0.59lb One Package Size 19cm * 13cm * 5cm / 7.48inch * 5.12inch * 1.97inch Qty per Carton 20 Carton Weight 5.80kgs / 12.79lb Carton Size 40cm * 28cm * 27cm / 15.75inch * 11.02inch * 10.63inch Loading Container 20GP: 881 cartons * 20 pcs = 17620 pcs40HQ: 2047 cartons * 20 pcs = 40940 pcs

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1. 9.5 inches super large full-screen LCD with large bold red font to display for easy reading.2. 24 hours real-time monitoring the sound level.3. Support hanging on the wall(recommended) or free-standing on the desk.4. Wide measurement range from 30dB to 130dB, Frequency: 31.5Hz - 8KHz, Resolution: 0.1dB/1dB.5. Buzzing and flashing to remind you when the real-time measurement is reached to the alarm level, and hold the data for 3s then back to normal mode.6. Suitable for checking and monitoring the sound level for personal, family, business, studies, industrial, etc.Specification: Package Weight One Package Weight 0.69kgs / 1.52lb One Package Size 25cm * 10cm * 5.5cm / 9.84inch * 3.94inch * 2.17inch Qty per Carton 20 Carton Weight 16.00kgs / 35.27lb Carton Size 42cm * 27cm * 30cm / 16.54inch * 10.63inch * 11.81inch Loading Container 20GP: 783 cartons * 20 pcs = 15660 pcs40HQ: 1819 cartons * 20 pcs = 36380 pcs

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Features1. Suitable for all kinds of commercial retail POS systems, catering systems, industrial control systems and other fields 2. High printing quality, low cost, low noise, high speed printing, support cash drawer driver language: support multiple languages 3. Easy to load paper structure, reasonable structure, easy to use and maintain 4. Low power consumption and low operating cost (no ribbon and ink cartridges required) 5. Built-in data buffer (print data can be received when printing) 6. The characters can be enlarged and printed, and the character line spacing can be adjusted for printing 7. Support different density bitmaps and download graphics for printing 8. Support raster bitmap printing 9. Realize high-speed printing equivalent to calling hard font library under driver printing (mode) 10. Compatible with ESC/POS printing instruction set, multiple modes can be adjusted 11. Driver program: Win 9X, Win 2000, Win 2003, Win XP, Win Vista, Win 7, Win8, win10, win11, Linux, support Android, iOS system, compatible with EPSON/SAMSUNGSpecifications1. Printing method: direct line thermal 2. Character size: - 576 points/line - Font A: 12 x 24 dots, 1.5(W) x 3.0(H) mm - Font B: 9 x 17 dots, 1.1(W) x 2.1(H) mm - Chinese Simplified/Traditional: 24 x 24 dots, 3.0(W) x 3.0(H)mm 3. Printing parameters: Support downloading Logo trademark printing 4. Supported characters: - Chinese: Support GB 1.2 Chinese character library, support GB18030 large font library, support Taiwan, Hong Kong traditional font library - Kor, Japanese (optional) - Spanish: ANK characters 5. Extended character table (Code Page): - OEM437(Std.Europe);(Katakana); OEM850(Multilingual); OEM860(Portuguese); OEM863(Canadian); OEM865(Nordic); (West Europe); (Greek); (Hebrew); (East Europe); (Iran); WPC1252; OEM866(Cyrillic#2); OEM852(Latin2); OEM858; (IranII); (Latvian); ISO-8859-6(Arabic); OEM864; PC1001; (Uigur); WPC1255(Israel); OEM858(Multilingual); OEM852(Latin-2); OEM861(Icelandic); OEM864(Arabic); OEM737(Greek);OEM851(Greek); OEM869(Greek); OEM928(Greek); OEM772(Lithuanian); OEM774(Lithuanian); Latin-2); WPC1251(Cyrillic); PC3840(Russian); PC3841(Gost); PC3843(Polish); PC3844(CS2); PC3845(Hungarian); PC3846(Turkish); -ABICOMP); PC1001(Arabic); PC2001(Lithuanian-KBL); PC3001(Estonian-1); PC3002(Estonian-2); PC3011(Latvian-1); PC3012(Latvian-2); PC3021(Bulgarian); PC3041 (Maltese); (Thai); WPC1253(Greek); WPC1254(Turkish); WPC1256(Ar abic); OEM720(Arabic); WPC1258(Vietnam); OEM775(Latvian) 6. Barcode type: UPC-A/UPC-E/JAN13(EAN13)/JAN8(EAN8)CODABAR/ITF/CODE39/CODE93/CODE128/QRCODE/PDF417 7. Printing speed: 220mm/sec 8. Interface type: USB 9. Print command: compatible with ESC/POS command 10. Printing paper width: 79.5+/-0.5mm (print width 72mm) 11. Outer diameter of printing paper: 80mm 12. Printing paper thickness: 0.06-0.08mm 13. Power supply: DC 24V/2.5A 14. Automatic cutter: full or half cut 15. Reliability: 100km 16. Dimensions (L x W x H): 160 x 135 x 122(mm) 17. Weight: 720gSpecification: Package Weight One Package Weight 1.11kgs / 2.44lb One Package Size 20cm * 15cm * 15cm / 7.87inch * 5.91inch * 5.91inch Qty per Carton 8 Carton Weight 9.80kgs / 21.61lb Carton Size 42cm * 32cm * 32cm / 16.54inch * 12.6inch * 12.6inch Loading Container 20GP: 620 cartons * 8 pcs = 4960 pcs40HQ: 1439 cartons * 8 pcs = 11512 pcs

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1. Slim body, carry it with you2. Designed for students to improve academic performance, English, listening to music, and entertainment3. Support AMV, AVI video playback format4. Bluetooth wireless technology standard configuration, strong and stable signal, support Bluetooth headset, Bluetooth speaker, etc.5. Support TF card expansion6. Support multi-format lossless music such as MP3/APE/FLAC/WAV/WMA7. Built-in 300mAh capacity lithium ion battery8. Support OTG mobile phone direct connection9. Recording time: about 35 hours10. Playing time: about 30 hours11. Display screen: 1.77 inches TFT display, 128x160 pixels, adjustable darkness12. Bluetooth module: BlueTooth 4.013. Headphone jack: 3.5mm14. USB interface: Micro USB15. Control panel: capacitive touch panel (support backlight)16. Product size: 86x42x9mm17. Product weight: about 73.6gSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 15cm * 8cm * 3cm / 5.91inch * 3.15inch * 1.18inch Qty per Carton 100 Carton Weight 11.00kgs / 24.25lb Carton Size 42cm * 32cm * 32cm / 16.54inch * 12.6inch * 12.6inch Loading Container 20GP: 620 cartons * 100 pcs = 62000 pcs40HQ: 1439 cartons * 100 pcs = 143900 pcs

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1. 14-inch LED display, 16:10, 1280 * 800 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 1.32kgs / 2.92lb One Package Size 39cm * 35.5cm * 8cm / 15.35inch * 13.98inch * 3.15inch Qty per Carton 10 Carton Weight 14.50kgs / 31.97lb Carton Size 72cm * 40cm * 40cm / 28.35inch * 15.75inch * 15.75inch Loading Container 20GP: 231 cartons * 10 pcs = 2310 pcs40HQ: 537 cartons * 10 pcs = 5370 pcs

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