Search results for "school electronics"

1. No need to write Ethernet underlying code to implement TCP/IP protocol stack2. Support sleep mode and wake-up on LAN, internal integrated 32K bytes on-chip buffer for Ethernet packet processing3. Support 10/100MBPS transfer rate4. Support 8 independent ports working at the same time5. The module supports 5V or 3. 3V power supply, which is convenient for users to use in different SCM systems6. The communication method between the module and the microcontroller is SPI protocol, which supports speeds up to 80MHz7. If you use the 5500 Ethernet module, you only need some simple Socket programming to realize the Ethernet application8. Support protocols: TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE9. We provide users with the source code of the routines based on the 51 single-chip microcomputer and ISTM32 single-chip microcomputer in the "client", "server" and "UDP" three working modes, as well as a detailed manual10. Chip model: W550011. Input voltage: 3.3-5v12. Size: about 55 x 28mmSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 15cm * 10cm * 3cm / 5.91inch * 3.94inch * 1.18inch Qty per Carton 100 Carton Weight 11.00kgs / 24.25lb Carton Size 52cm * 42cm * 32cm / 20.47inch * 16.54inch * 12.6inch Loading Container 20GP: 381 cartons * 100 pcs = 38100 pcs40HQ: 885 cartons * 100 pcs = 88500 pcs

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1. Can be adjusted arbitrarily in 360 degrees to meet different lighting angles 2. The intensity of light can be adjusted freely to find a comfortable observation effect 3. Imported LED lamp beads, uniform light emission, can work continuously for 48 hours, and the life span is up to 100,000 hours 4. Easy to use 5. This product is the optional universal lamp for the B011 microscope and needs to be used with the HCB0990 productSpecification: 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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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. Safety level: CAT.III 600V2. Measurement function: capacitance, resistance, AC voltage, DC voltage3. Other functions: automatic range, on-off buzzer test, diode test, data retention, automatic shutdown4. DC voltage range: 4V/40V/400V/600V5. AC voltage range: 4V/40V/400V/600V6. Capacitance range: 4nF/40nF/400nF/4uF/40uF/400uF/4mF7. Maximum display: 4000 counts8. Battery type: 2 x AAA batteries (not included)9. Size: 16.5x9.3x5.0cm10. Net weight: 239gSpecification: General Certificate CE, FCC, EMC Package Weight One Package Weight 0.29kgs / 0.64lb One Package Size 16.5cm * 9.5cm * 5cm / 6.5inch * 3.74inch * 1.97inch Qty per Carton 50 Carton Weight 15.20kgs / 33.51lb Carton Size 40cm * 35cm * 27cm / 15.75inch * 13.78inch * 10.63inch Loading Container 20GP: 705 cartons * 50 pcs = 35250 pcs40HQ: 1637 cartons * 50 pcs = 81850 pcs

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1) Room temperature 2) Zero and tare 3) Capacity: 50kg / 110lb 4) Graduation: 50g / 0.1lb 5) Lower battery / over load indication 6) 0.44 inch LCD digits 7) Size: 12.8 x 3 x 3cm Feature 1) LCD display 2) Delicate appearance 3) Easy to grip 4) One minute without operation automatically shut down 5) Unit: unit conversion , temperature switch 6) Comfortable touch with rubber paintSpecification: Package Weight One Package Weight 0.15kgs / 0.32lb One Package Size 15.2cm * 10.5cm * 4cm / 5.98inch * 4.13inch * 1.57inch Qty per Carton 100 Carton Weight 14.80kgs / 32.63lb Carton Size 45cm * 35cm * 45cm / 17.72inch * 13.78inch * 17.72inch Loading Container 20GP: 376 cartons * 100 pcs = 37600 pcs40HQ: 873 cartons * 100 pcs = 87300 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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1. Material: High-quality steel2. Process: ABS engineering plastics3. Calibration process: laser calibration4. Resolution: 0.001mm5. Packaging: New plastic packaging6. Size: 16x6cm7. High-definition LED screen, digital display is clearer8. Precise measurement, efficient and stable9. 3V large capacity battery, lasting power10. Mechanical laser scale, can be used without electricitySpecification: Package Weight One Package Weight 0.45kgs / 1.00lb One Package Size 24cm * 10cm * 5cm / 9.45inch * 3.94inch * 1.97inch 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

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1. Suitable for electronics enthusiasts, engineers, creators and people interested in wireless communication technology2. External subGhz module can be widely used in lot devices, smart home, remote control, wireless sensors and other fields3. Suitable for various devices and scenarios4. Increase the transmission and reception range of 433Mhz, allowing high-gain antenna to be replaced by yourself5. Size: 36x67mmSpecification: Package Weight One Package Weight 0.04kgs / 0.09lb One Package Size 8cm * 8cm * 3cm / 3.15inch * 3.15inch * 1.18inch Qty per Carton 240 Carton Weight 9.50kgs / 20.94lb Carton Size 50cm * 34cm * 32cm / 19.69inch * 13.39inch * 12.6inch Loading Container 20GP: 490 cartons * 240 pcs = 117600 pcs40HQ: 1137 cartons * 240 pcs = 272880 pcs

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1. Material: ABS+PP+electronic components2. Weight: 70 g3. Dimensions: 13 x 7 x 2 cm4. Features: clock display, easy to carry, soft and low noise, compact and portable5. Battery capacity: 800 mah6. Power supply method: USB chargingSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 15cm * 10cm * 4cm / 5.91inch * 3.94inch * 1.57inch Qty per Carton 288 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 288 pcs = 50976 pcs40HQ: 412 cartons * 288 pcs = 118656 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. 15-inch LED display, 4:3, 1024 * 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 1A 12. Product size: 33x26cmSpecification: General Certificate EMC, LVD Package Weight One Package Weight 1.77kgs / 3.90lb One Package Size 42cm * 39cm * 10cm / 16.54inch * 15.35inch * 3.94inch Qty per Carton 5 Carton Weight 10.00kgs / 22.05lb Carton Size 52cm * 44cm * 41cm / 20.47inch * 17.32inch * 16.14inch Loading Container 20GP: 284 cartons * 5 pcs = 1420 pcs40HQ: 659 cartons * 5 pcs = 3295 pcs

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1. Power supply voltage: 90-240v / 50-60hz. 2. Projection ratio: 16:9/4:3. 3. System configuration: 1Gb RAM, 8Gb eMMC storage. 4. Safety regulations: support the us and Europe, British regulations and national standards. 5. Same screen technology: supports iPhone and Android. 6. The projection ratio is 1.6 and the maximum distance is 5m. 7. Accessories: power cord *1, remote controller *1, instruction manual *1,VGA cable *1,HD cable *1, lens cover *1.Specification: Package Weight One Package Weight 3.94kgs / 8.69lb One Package Size 39cm * 12.7cm * 26.8cm / 15.35inch * 5inch * 10.55inch Qty per Carton 4 Carton Weight 15.64kgs / 34.48lb Carton Size 54cm * 27cm * 41cm / 21.26inch * 10.63inch * 16.14inch Loading Container 20GP: 446 cartons * 4 pcs = 1784 pcs40HQ: 1035 cartons * 4 pcs = 4140 pcs

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