Search results for "school electronics"

1. Material: ABS, TPU2. Light source: LED red light3. Resolution: 4MIL4. Light source type: 640-660nm laser laser5. Scanning method: manual, continuous6. Scanning barcode category: one-dimensional code7. Working current: 140mA8. Prompt mode: buzzer, indicator light9.14882W built-in battery: 2000mAh lithium battery10. Comfortable and durable slow rebound buttons and body components11. The body is made of ABS material, and the top and bottom of the scanner are designed with TPU plastic covering, which is comfortable to touch.12. After the scan is successful, the buzzer will emit a sound prompt13. Including wireless and wired, you can choose freely according to your needsSpecification: Package Weight One Package Weight 0.75kgs / 1.66lb One Package Size 18cm * 11cm * 9cm / 7.09inch * 4.33inch * 3.54inch Qty per Carton 40 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 40 pcs = 7080 pcs40HQ: 412 cartons * 40 pcs = 16480 pcs

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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 2.52kgs / 5.56lb 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

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Features1. With LCD display, the current mode and parameters are clear at a glance, very clear, simple and practical. 2. Support high and low level trigger, switch control, suitable for most occasions. 3. Wide voltage power supply (6~30V) supports micro USB 5.0V power supply, which is very convenient to use. 4. Support UART data upload and parameter setting. 5. There is a key emergency stop function (STOP key), with reverse connection protection, reverse connection will not burn. 6. Added sleep mode. After enabling, if there is no operation within 5 minutes, the LCD backlight will be automatically turned off; any key will wake up. 7. Different OP, CL, LOP parameters can be set, these parameters are independent of each other and saved separately. 8. All setting parameters are automatically saved after power off.Specification1. Working voltage: 6-30V, support micro USB 5.0V power supply 2. Trigger signal source: high level trigger (3.0V~24V), low level trigger (0.0V~0.2V), switch control (passive switch). 3. Output capability: can control equipment within DC 30v 5A or AC 220v 5A 4. Quiescent current: 15mA Working current: 50mA 5. Working temperature: -40a??85 degrees Celsius 6. With optocoupler isolation, enhance anti-interference ability, industrial-grade circuit board, set parameters will be remembered forever after power off 7. Size: 8.0x3.8x1.9cm 8. Weight: about 36gSpecification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 10cm * 10cm * 2cm / 3.94inch * 3.94inch * 0.79inch Qty per Carton 200 Carton Weight 11.00kgs / 24.25lb Carton Size 42cm * 42cm * 32cm / 16.54inch * 16.54inch * 12.6inch Loading Container 20GP: 472 cartons * 200 pcs = 94400 pcs40HQ: 1096 cartons * 200 pcs = 219200 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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Overview1. Reflective infrared Transceiver2. Features wide range voltage comparator LM3933. Adjustable sensitivity4. Signal output indicatorSpecifications1. Power: 3.0V ~ 5.3V2. Dimension: 25mm * 15.9mm3. Mounting holes size: 2.0mmApplications1. Robot path tracking2. Obstacle-avoiding car3. Pipeline counterHow to UseIn the case of working with a MCU:Pinouts1. VCC: 3.0V ~ 5.3V2. GND: Power supply ground3. AOUT: MCU.IO (analog output)4. DOUT : MCU.IO (digital output)Package Contents1. Infrared Reflective Sensor x12. 4-pin custom connector jumper wire x1Specification: Package Weight One Package Weight 0.01kgs / 0.02lb One Package Size 5cm * 3cm * 1cm / 1.97inch * 1.18inch * 0.39inch Qty per Carton 6240 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 39cm * 40cm / 23.62inch * 15.35inch * 15.75inch Loading Container 20GP: 284 cartons * 6240 pcs = 1772160 pcs40HQ: 661 cartons * 6240 pcs = 4124640 pcs

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1. Screen size: 2.8 inches2. Screen material: TFT color screen3. Backlight: adjustable backlight brightness4. Charging power: 5V/1A5. Battery capacity: 3000mAh6. DC voltage: 1.9999V/19.99V/1000V7. Real-time sampling rate: 48MSa/second8. Analog bandwidth: 10MHz9. Input impedance: 1M10. Test voltage range: 80vpp-800vpp11. Vertical sensitivity: 10mV/div-10V/div12. Vertical displacement: adjustable with indicator13. Horizontal time base: 50ns-20s14. Trigger mode: Auto/Normal/Single15. Output waveform: 0-50KHz16. Square duty cycle: 0-100%, square and sawtooth adjustableSpecification: Package Weight One Package Weight 0.62kgs / 1.38lb One Package Size 20cm * 11cm * 9cm / 7.87inch * 4.33inch * 3.54inch Qty per Carton 40 Carton Weight 25.80kgs / 56.88lb Carton Size 57cm * 42cm * 38cm / 22.44inch * 16.54inch * 14.96inch Loading Container 20GP: 293 cartons * 40 pcs = 11720 pcs40HQ: 680 cartons * 40 pcs = 27200 pcs

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1. Interface: USB2.02. Video input: RCA composite yellow port3. Audio input: RCA L/R audio white/red port4. Video output: 3.5mm AV cable, HDMI5. Audio output: 3.5mm AV cable, HDMI6. Storage: micro SD card (maximum 16GB, does not support NTSF format)7. Video recording format: .avi8. Recording file video: about 9.3MB/minute, 0.56GB/hour9. Power supply: 5V/1A10. Record analog video to digital format to TF card with one click, no PC required11. Convert old video or camcorder tapes to digital format, no computer required12. One-click recording button to record video directly to Micro SD cardNote: Please do not insert the USB drive and Micro SD card at the same time. FAT and NTFS formats are supported, exFAT is not supported.Specification: Package Weight One Package Weight 0.14kgs / 0.31lb One Package Size 13cm * 10cm * 4cm / 5.12inch * 3.94inch * 1.57inch Qty per Carton 150 Carton Weight 22.00kgs / 48.50lb Carton Size 41cm * 52cm * 42cm / 16.14inch * 20.47inch * 16.54inch Loading Container 20GP: 297 cartons * 150 pcs = 44550 pcs40HQ: 691 cartons * 150 pcs = 103650 pcs

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Overview1. This is a Raspberry Pi LoRa HAT based on SX1268, covers 433MHz frequency band. It allows data transmission up to 5km through serial port.2. By utilizing the new generation LoRa spread spectrum modulation technology, the communication distance of the module is as long as 5km, also supports auto repeating to transmit longer. Other features include Wake on Radio, wireless config, carrier sensing, communication key, and so on.3. Comparing with normal LoRa modules, the SX1268 LoRa HAT achieves longer communication distance, higher rate, lower consumption, better safety and anti-interference. It is suitable for various applications such as industrial control, smart home, data collection, etc.Features1.Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards2. Onboard CP2102 USB TO UART converter, for serial debugging3. Bring the UART control interface, for connecting host boards like Arduino/STM324. 4x LED indicators, easy to check the module status5. LoRa spread spectrum modulation technology, up to 84 available signal channel, longer communication distance, more robust to interference6. Auto multi-level repeating, suit for ultra long range communication, allows multi network on the same region7. Low power consumption features like deep sleeping and Wake on Radio, ideal for battery-powered applications8. Customizable communication key which wont be retrieved, greatly improves the security of user data9. Support LBT, monitoring the signal channel noise before transmitting, greatly improves the success ratio under extreme environment10. Support RSSI signal intensity indicating, for evaluating signal quality, tuning the network11. Support wireless parameter configuration, by sending wireless command/data packet, remotely configure or retrieve the module parameter12. Support fixed-point transmission, broadcast, signal channel monitor13. Come with development resources and manual (examples for Raspberry Pi/STM32)What is on Board1. SX1268 LoRa module2. 74HC125V: voltage level translator3. CP2102: USB TO UART converter4. Raspberry Pi GPIO connector: for connecting with Raspberry Pi5. USB TO UART port6. UART header: for connecting host boards like STM32/Arduino7. SMA antenna connector8. IPEX antenna connector9. Indicators:- RXD/TXD: UART RX/TX indicator- AUX: auxiliary indicator- PWR: power indicator10. UART selection jumpers- A: Control the LoRa module through USB TO UART- B: Control the LoRa module through Raspberry Pi- C: Access Raspberry Pi through USB TO UART11. LoRa mode selection jumpers- Short M0, short M1: Transmission mode- Short M0, open M1: Configuration mode- Open M0, short M1: WOR mode- Open M0, open M1: deep sleep modeSpecification1. RF module: SX12682. Frequency band: 410.125 ~ 493.125MHz3. Radio rate: 0.3kbps ~ 62.5kbps (programmable)4. Transmit power: 22.0dBm (10/13/17/22dBm programmable)5. Receive sensitivity: -147dBm (radio rate 2.4kbps)6. Power consumption: - Transmit current: 110mA (transient consumption)- Receive current: 11mA- Sleep current: 2uA (LoRa module software shutoff)7. Communication interface: UART (TTL level)8. Baudrate: 1200bps ~ 115200bps (9600bps by default)9. Packet length: 240 Byte (32/64/128/240 Byte programmable)10. Cache: 1000 Byte11. Experimental range: 5km (condition: cloudless and wild, altitude 2.5m, antenna gain 5dBi, radio rate 2.4kbps)12. Power supply: 5V13. Logic level: 3.3V/5V14. Operating temperature: -40~85 degree C15. Applications: Smart home, industrial sensors, building automation, smart meters, and more other IoT applications16. Dimensions: 7cm x 12cm x 2cm17. Weight: 69g18. Packing List:- SX1268 433MHz LoRa HAT x1- USB type A plug to micro plug cable x1- 433MHz antenna x1Specification: Package Weight One Package Weight 0.09kgs / 0.19lb One Package Size 15cm * 8cm * 2cm / 5.91inch * 3.15inch * 0.79inch Qty per Carton 400 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 40cm * 40cm / 23.62inch * 15.75inch * 15.75inch Loading Container 20GP: 277 cartons * 400 pcs = 110800 pcs40HQ: 644 cartons * 400 pcs = 257600 pcs

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1. Receiver battery: AAAx1 (not included), transmitter battery: CR2032*1 2. Easy to carry and use 3. Adjust freely within the range of 0-3 meters to prevent items from entering 4. Good quality and long service life 5. Receiver size: 60x36x15mm, transmitter size: about 25x7mmSpecification: Package Weight One Package Weight 0.06kgs / 0.13lb One Package Size 20cm * 8cm * 2cm / 7.87inch * 3.15inch * 0.79inch Qty per Carton 200 Carton Weight 10.70kgs / 23.59lb Carton Size 40cm * 40cm * 40cm / 15.75inch * 15.75inch * 15.75inch Loading Container 20GP: 416 cartons * 200 pcs = 83200 pcs40HQ: 967 cartons * 200 pcs = 193400 pcs

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1. Super bright light, which can see through very thick paper. 2. Adjustable brightness, with touch button you can adjust the brightness, very convenient to use. 3. Special acrylic surface, which makes it feel like a glass panel but much stronger than glass. 4. With a compact and elegant design, easy to carry and save space. 5. Eye-protection technology, perfect for sketching, drawing,animation making,calligraphy and tattoo tracing. 6. Simple and convenient to operate. 7. High quality Acrylic materials, durable and reliable.Specification: Package Weight One Package Weight 0.52kgs / 1.15lb One Package Size 40cm * 29.5cm * 3.5cm / 15.75inch * 11.61inch * 1.38inch Qty per Carton 20 Carton Weight 13.10kgs / 28.88lb Carton Size 60cm * 40cm * 35cm / 23.62inch * 15.75inch * 13.78inch Loading Container 20GP: 317 cartons * 20 pcs = 6340 pcs40HQ: 736 cartons * 20 pcs = 14720 pcs

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1. Material: cationic2. Function: storage data cable, headphone cable, U disk, watch strap, mobile phone, power bank, etc.3. The elastic band design is convenient for fixing data cables, etc., and the small net pocket is used to place U disk, card reader and other objects4. Smooth and smooth zipper, easy to open and close5. The surface is ripstop and waterproof fabric, which is resistant to dirt6. Multifunctional partition design, classified placement7. Cationic waterproof fabric, surface water repellent treatment, wear-resistant and easy to clean8. Removable nylon adhesive tape, the inner area can be divided freely9. Product size: 28x21x9 cm10. Weight: 270 gramsSpecification: Package Weight One Package Weight 0.29kgs / 0.65lb One Package Size 30cm * 25cm * 5cm / 11.81inch * 9.84inch * 1.97inch Qty per Carton 102 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 102 pcs = 18054 pcs40HQ: 412 cartons * 102 pcs = 42024 pcs

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1. Printing speed: 160mm/s 2. Printing width: 7200 paper width 3. Paper width: 80mm 4. Printing density: 576 dots/line or 512 dots/line 5. Interface: USB+Bluetooth 6. Compatibility is stronger 7. The integrated design of the cutting blade makes it more wearproof and adopts the program of anti-stuck design 8. Easy paper loading structure, upon paper delivery design, more convenient and fastSpecification: Package Weight One Package Weight 2.60kgs / 5.73lb One Package Size 22cm * 15cm * 15cm / 8.66inch * 5.91inch * 5.91inch Qty per Carton 8 Carton Weight 20.66kgs / 45.54lb Carton Size 46cm * 32cm * 32cm / 18.11inch * 12.6inch * 12.6inch Loading Container 20GP: 566 cartons * 8 pcs = 4528 pcs40HQ: 1314 cartons * 8 pcs = 10512 pcs

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