Suchergebnisse für "school electronics"

Features1. Mixing console The analog mixing console is combined with a digital sound card, with 6 channels, personalized function settings, and convenient console design, giving you a different tuning experience. 2. Intelligent noise reduction, high-fidelity sound quality, clear and bright vocals. 3. Built-in high-speed ARM chip, with unique low-noise, voice-changing, pitch-changing, reverberation, delay, electronic sound effects and other processing technologies. 4. For wireless Bluetooth connection, switch to Bluetooth mode, turn on the electronic device with Bluetooth function, and search for the connection. 5. Support audio equipment with USB2.0 interface, lossless sound quality playback, all in NA4 analog digital mixer. 6. The flexible LOOPBACK function is perfect for recording and webcasting. The LXR combined microphone input interface is adopted, and the level of the recording state is visible, which is convenient for flexible adjustment at any time.24 types of DSPReverberation: 1. Simulate reverberation in small spaces such as concert halls 2. Simulate the reverberation of the acoustic environment of a small space (auditorium) 3. Simulate the reverberation in large spaces such as theaters 4. Echo of the Valley Electronic synthesis sound effects: 5. Electronic Mix (A flat major) 6. Electronic Mix (A major) 7. Electronic Mix (B-flat major) 8. Electronic Mix (B major) 9. Electronic Mix (C major) 10. Electronic Mix (D-flat major) 11. Electronic Mix (D major) 12. Electronic Mix (E-flat major) 13. Electronic Mix (E major) 14. Electronic Mix (F major) 15. Electronic Mix (G flat major) 16. Electronic Mix (G major) 17. Electronic mixing (semitone scale) Synthetic sound effect with altered voice: 18. Female Voice 19. Uncle Tone Flanger 20. Children Voice 21. Childish Echo 22. Magic Sound (Male) 23. Magic Sound Echo (Male) 24. Original SoundSpecification1. Frequency response: 0.05%dB/-2.0dB (20Hz to 20kHz), refer to the rated output level @1kHz, GAIN knob: medium 2. Total harmonic distortion (THD+N): 0.02%@+10dBu (20Hz to 20kHz), GAIN knob: Medium 3. Noise (20Hz to 20kHz): residual output noise, -85dBu (STEREO OUT, STEREO LEVE), GAIN knob: small 4. Crosstalk (1kHz)*2: -83dB 5. Input/output impedance: Microphone input: 3k Ohm, line input: 10k Ohm Output: 150 Ohm (balanced) 75 Ohm (unbalanced) 6. AES digital signal input and output: 110 Ohm 7. Input channels: MIC*4, 2REC, PC, 2LINE, USB, BT, 3.5MINI 8. Output channel: STEREO OUT: 2, PHONES:1, 3.5MINI MAIN PH OUT:1, 2.GROUP PH:1.3.5MINI LOOP BACK output: 2.REC 9. Bus: Stereo: 1, GROUP:1. 10. Input channel function: HPF(Mono)80Hz,12dB/octave (CH3,4) EQ HIGH Gain: +15dB/-15dB frequency: 10kHz ramp frequency: EQ LOW Gain: +15dB/-15dB Frequency: 100kHz Ramp frequency: PEAK LED When the signal after EQ reaches 11. 3dB below the distortion, the LED lights up LED indication: MAIN STEREO LEVEL knob, the green light is on when the MAIN LEVEL signal reaches -10dB, and the red light is on when the signal reaches 3dB below the distortion 12. Input and output level: MIC (-60dB) LINE OUTPUT (-40dB) MAX OUT (+12dB) 13. USB audio: 2IN/2OUT USB audio 2.0 compatible, decoding rate: 48.1kHz, Bit depth: 24-bit 14. Effect category: independent volume adjustment effect: true digital effect processing 15. Phantom power supply voltage: support large diaphragm condenser microphone 16. Voltage adapter: DC 5V/2.0A standardSpecification: Package Weight One Package Weight 1.17kgs / 2.57lb One Package Size 28cm * 26cm * 9cm / 11.02inch * 10.24inch * 3.54inch Qty per Carton 10 Carton Weight 13.05kgs / 28.77lb Carton Size 48cm * 42cm * 38cm / 18.9inch * 16.54inch * 14.96inch Loading Container 20GP: 348 cartons * 10 pcs = 3480 pcs40HQ: 808 cartons * 10 pcs = 8080 pcs

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OverviewThis AlphaBot2 robot kit is designed to use with Raspberry Pi 3 Model B. It features rich common robot functions including line tracking, obstacle avoiding, Bluetooth/infrared/WiFi remote control, video monitoring, etc.Thanks to the highly integrated modular design, it is fairly easy to assemble by a snap, no soldering, no wiring. After a few minutes spent on hardware assembing, you're almost there, our open source demo codes is ready to help you get started fast.Raspberry Pi 3 Features1. BCM2837, 1.2GHz 64-bit quad-core ARM Cortex-A532. 1GB RAM3. 10/100 Ethernet port4. 802.11n WiFi NIC5. Bluetooth 4.1 & Bluetooth Low Energy (BLE)6. HDMI port7. USB 2.0 interface x 48. Micro SD card slot9. Combined 3.5mm audio jack and composite video10. 40-pin GPIO interface11. Camera interface (CSI)12. Display interface (DSI)13. Upgraded power management, supports more peripherals (requires a 2.5A power supply or above)AlphaBot2 FeaturesAlphaBot2 employs a 2-layer structure to provide excellent stability and compatibility.AlphaBot2-Base, the lower base chassis:1. 5-ch infrared sensor, analog output, combined with PID algorithm, stable line tracking2. Onboard modules like line tracking, obstacle avoiding, needs no messy wiring3. TB6612FNG dual H-bridge motor driver, compared with L298P, it's more efficient, more compact, and less heating4. N20 micro gear motor, with metal gears, low noise, high accuracy5. 5Onboard RGB LEDs, true color lighting, pretty coolAlphaBot2-Pi, the upper adapter board for controller:1. LM2596 voltage regulator, provides the Pi with stable 5V power2. TLC1543 AD acquisition chip, allows the Pi to use analog sensors3. PCA9685 servo controller, make it more smoothly to rotate the pan head4. CP2102 UART converter, easy for controlling the Pi via UARTPackage Contents1. AlphaBot2-Pi (adapter board) x12. AlphaBot2-Base (base chassis) x13. RPi Camera (B) x14. Micro SD Card 16GB x15. Power adapter US standard 5V/3A micro x16. SG90 servo x25. 2 DOF pan and tilt kit x17. IR remote controller x18. FC-20P cable 8cm x19. USB type A plug to micro B plug cable x110. 15PIN FFC 25cm x111. AlphaBot2-Pi screws x112. Micro SD Card Reader x1 (Extra Free)13. Screwdriver x1 (Extra Free)Specification: Package Weight One Package Weight 0.50kgs / 1.11lb One Package Size 15cm * 11cm * 8cm / 5.91inch * 4.33inch * 3.15inch Qty per Carton 60 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 33cm * 40cm / 23.62inch * 12.99inch * 15.75inch Loading Container 20GP: 336 cartons * 60 pcs = 20160 pcs40HQ: 781 cartons * 60 pcs = 46860 pcs

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1. Nagelneu und hochwertig. 2. Dies ist ein universelles Netzteil für alle Ihre Pedale, Effekte, Funkempfänger und mehr. 3. Zu den Funktionen gehören weltweiter Eingang, geregelter Ausgang in mehreren Spannungen, 8 Adapterstecker und mehr. 4. Dieser Adapter ist so konzipiert, dass er Strom liefert, wo und wann Sie ihn brauchen. 5. Mit wählbarem Gleichstromausgang bis zu 12 Volt und Steckern für die meisten kleinen elektronischen Geräte ersetzt es eine Schachtel voller Batterien. 6. Es bietet eine universelle geregelte Schaltnetzteilversorgung mit wählbarem AC-Eingang von 110 bis 240 V AC (funktioniert also mit einem Steckeradapter überall auf der Welt). 7. Es verfügt über wählbare DC-Ausgänge: 3/4,5/5/6/7,5/9/12 V. 8. Das Ladegerät verfügt außerdem über 8 abnehmbare DC-Ausgangsstecker, sodass es in fast alle DC-Eingangsbuchsen passt. (2,5 x 0,7 mm, 3,0 x 1,1 mm, 3,5 x 13,5 mm, 3,5 x 15 mm, 5,0 x 2,1 mm, 5,5 x 2,5 mm) 9. Wird für Batterieladegeräte, Drucker, Spielekonsolen und viele andere Geräte verwendet. 10. Kompatibel mit: Mobiltelefon, Tablet-PC, Kamera, Router und anderen Geräten. 11. Nicht kompatibel mit Laptops oder anderen Hochleistungsgeräten, nicht kompatibel mit Geräten über 30 W und die Polarität kann nicht umgekehrt werden. Spezifikation: Allgemein Material Feuerfestes ABS, PC Kabellänge 1,2 m Größe 8*4,8*6 cm Gewicht 107 g Paketgewicht Gewicht eines Pakets 0,19 kg / 0,41 lb Einheitspackungsgröße 12,5 cm * 11,5 cm * 4,5 cm / 4,92 Zoll * 4,53 Zoll * 1,77 Zoll Menge pro Karton 40 Kartongewicht 7,50 kg / 16,53 lb Kartongröße 47 cm * 25 cm * 27 cm / 18,5 Zoll * 9,84 Zoll * 10,63 Zoll Container laden 20GP: 840 Kartons * 40 Stück = 33600 Stück 40HQ: 1951 Kartons * 40 Stück = 78040 Stück

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1. Mini body, compact and portable to carry in pocket. 2. Single-Band Display. 3. Frequency Range: 400-470(MHz) 4. Number of channels: 16 5. Operating Voltage: DC 3.7V 6. Theoretical communication distance: 5-10km 7. Communication type: Cannot insert cardSpecification: Package Weight One Package Weight 0.64kgs / 1.41lb One Package Size 27cm * 23cm * 7cm / 10.63inch * 9.06inch * 2.76inch Qty per Carton 12 Carton Weight 8.30kgs / 18.30lb Carton Size 53cm * 40cm * 24cm / 20.87inch * 15.75inch * 9.45inch Loading Container 20GP: 524 cartons * 12 pcs = 6288 pcs40HQ: 1216 cartons * 12 pcs = 14592 pcs

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1. Material: ABS+PC 2. Networking: WiFi/hotspot/offline 3. Size: 5.5-inch HD touch screen 4. Resolution: 540x1260 5. Battery capacity: 2000mAh 6. Standby time: about 13 days 7. Working time: 7-8 hours 8. System: V-OS 11 9. Storage: 1GB+8GB 10. Camera: 800w 11. Interface: Type-C 12. Charging voltage: 5V/1A 13. 17 offline translation languages, 139 online translation languages 14. 75 languages a??a??online photo translation, 41 languages a??a??offline photo translation 15. Support group translation, unit conversion, world clock, exchange rate conversion and other functionsSpecification: Package Weight One Package Weight 0.26kgs / 0.57lb One Package Size 17cm * 9cm * 4cm / 6.69inch * 3.54inch * 1.57inch Qty per Carton 120 Carton Weight 29.80kgs / 65.70lb Carton Size 53cm * 47cm * 34cm / 20.87inch * 18.5inch * 13.39inch Loading Container 20GP: 314 cartons * 120 pcs = 37680 pcs40HQ: 730 cartons * 120 pcs = 87600 pcs

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1. Using the rotary encoder used in high-end speakers, stepless tuning, smooth hand feel, one-key start and stop2. High-quality all-copper DC plug, long life3. 3.5mm audio output, connected to active power box4. Free large area heat sink5. Number of channels: left and right dual channel (stereo)6. Protection mechanism: power reverse connection protection, short circuit protection, self-recovery overheat protection7. Purpose: Bluetooth speaker amplifier motherboard8. Bluetooth version: 5.09. Adapter speaker: 20-300W 4 ohm 8 ohm10. Transmission distance: 15 meters (without blocking)11. Supply voltage: DC 5-26V12. Dimensions: 53x18x58mm13. Weight: about 70gSpecification: Package Weight One Package Weight 0.08kgs / 0.18lb One Package Size 8cm * 8cm * 4cm / 3.15inch * 3.15inch * 1.57inch Qty per Carton 336 Carton Weight 30.00kgs / 66.14lb Carton Size 55cm * 55cm * 27cm / 21.65inch * 21.65inch * 10.63inch Loading Container 20GP: 326 cartons * 336 pcs = 109536 pcs40HQ: 757 cartons * 336 pcs = 254352 pcs

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1. Measurement range: 30dB - 130dB2. Accuracy: about 1.5dB (based on standard sound source, 94dB@1KHz)3. Resolution: 0.1dB (less than 100dB); 1dB (more than 100dB)4. Frequency response: 31.5Hz - 8.5KHz5. Sampling rate: 2 times / second6. Sensor type: 6mm condenser microphone sensor7. Display mode: LED digital tube, single word 4 inches8. Alarm output: 12V high level9. Alarm prompt: sound + prompt10. Operating environment: 0 - 40 degrees Celsius, within 80% relative humidity, indoor altitude less than 2000m11. Storage environment: -10 - 60 degrees Celsius, within 70% relative humidity12. Input: DC 5V/1A13. Power supply: USB direct plug14. TA654A test cable length: about 5 meters15. Size: approx. 32.3 x 17.3 x 4cm16. Weight: about 980gFeatures:1. Highly sensitive 1/2 inch condenser microphone with high accuracy, high sensitivity and instantaneous response (TA654A external sensor)2. 13-inch large screen display3. Back hidden bracket design, can be placed on the desktop4. A variety of fixed ways, wall hanging / hanging / placed / external bracket5. Upper limit alarm prompt: the upper limit alarm threshold can be set, when the measurement is higher than the set threshold, the buzzer will alarm prompt sound, and the alarm prompt light flashes, the time can be set to: 65-120s6. Back panel design, the top and bottom have 2 ventilation holes, more responsive7. Analog bar level indication8. Alarm signal output interface, the use of 3.5mm two-section or three-section headphone plug 12V alarm horn (not included)Specification: Package Weight One Package Weight 1.40kgs / 3.10lb One Package Size 40cm * 24cm * 9cm / 15.75inch * 9.45inch * 3.54inch Qty per Carton 10 Carton Weight 14.70kgs / 32.41lb Carton Size 47cm * 42cm * 52cm / 18.5inch * 16.54inch * 20.47inch Loading Container 20GP: 259 cartons * 10 pcs = 2590 pcs40HQ: 603 cartons * 10 pcs = 6030 pcs

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1. Material: ABS+metal2. Display: 4.0 full touch screen3. Wireless distance: 10 meters4. Operation mode: button + touch screen + scan5. Microphone: dual microphone noise reduction6. Bluetooth: 4.0 can connect Bluetooth headsets, speakers7. Lithium battery: 1500mAh8. Charging interface: TYPE-C9. Processor: quad-core ARM CORTEX-A7 1.6GHZ10. Offline scanning in 29 languages, offline recording and transcription in 9 languages, offline voice translation in 9 languages, online voice translation in 134 languages11. The metal shell is anti-fall, stronger and more durable12. Diamond cut TP glass full screen for comfortable reading13. Durable optical scanning head, AI image recognition technology, convert photos to text and voice14. Weight: 98 grams15. Dimensions: 148x45x13.5 cmSpecification: Package Weight One Package Weight 0.15kgs / 0.34lb One Package Size 17cm * 8cm * 4cm / 6.69inch * 3.15inch * 1.57inch Qty per Carton 194 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 194 pcs = 34338 pcs40HQ: 412 cartons * 194 pcs = 79928 pcs

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Über das Produkt 1. Hochwertiges Metallgehäuse sorgt für Stabilität und Haltbarkeit. 2. Es verfügt über eine Codesperrfunktion, eine Datenregenerierungsfunktion und eine intelligente Kopierfunktion mit einem Schlüssel. 3. Die praktische Schlüsselanhängergröße lässt sich an Ihrem Autoschlüssel befestigen und verhindert so unerwünschte Sperrigkeit. Es kann das IC-Modell der Originalfernbedienung kopieren, nämlich 2262/2260/PT2264 usw. 4. Hohe Geschwindigkeit und hohe Genauigkeit, der Code geht nicht leicht verloren. 5. Anwendungsbereich: Fahrzeug-Zentralverriegelungssysteme, Garagentore, elektronische Tore, Elektrogeräte, Auto-Schiebedächer usw. Spezifikation: Allgemein Stromspannung Gleichstrom 12 V Arbeitsfrequenz 433 MHz Modulationsmodus FRAGEN Anzahl der Schlüssel 4 Schlüssel Übertragungsrate 50-60 kHz Kodierungstypen Code lernen Funktionierender Chip EV 1527 Widerstand 330.000 Arbeitsbereich 20-50 m Betriebstemperatur -10-50 Grad Celsius Paketgewicht Gewicht eines Pakets 0,05 kg / 0,10 lb Einheitspackungsgröße 5,3 cm * 3 cm * 1 cm / 2,09 Zoll * 1,18 Zoll * 0,39 Zoll Menge pro Karton 300 Kartongewicht 10,00 kg / 22,05 lb Kartongröße 25 cm * 20 cm * 20 cm / 9,84 Zoll * 7,87 Zoll * 7,87 Zoll Container laden 20GP: 2666 Kartons * 300 Stück = 799800 Stück 40HQ: 6190 Kartons * 300 Stück = 1857000 Stück

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1. This product is an AI development board based on ESP32-S3, integrating camera interface (DVP), SPI/QSPI display interface, and audio capture and playback functions, balancing low cost, high performance, and low power consumption to meet diverse smart terminal development needs. It supports integration with online AI platforms such as Xiaozhi/Doubao/DeepSeek, enabling human-computer interaction functions like voice dialogue and Q&A recognition. It also provides an Edge Impulse object detection example supporting real-time and multi-object recognition, suitable for rapid development of AI voice interaction, edge vision detection, HMI screen applications, and smart camera products. 2. Equipped with a high-performance Xtensa 32-bit LX7 dual-core processor with a maximum main frequency of 240MHz. 3. Built-in 512KB SRAM, 384KB ROM, onboard 8MB PSRAM and 16MB Flash. 4. Integrated 2.4GHz Wi-Fi and Bluetooth LE dual-mode wireless communication with excellent RF performance. 5. Dual microphone array supporting noise reduction and echo cancellation for high-quality voice interaction. 6. Expansion and interfaces: --SPI/QSPI LCD display interface --24PIN DVP camera interface --USB, I2C, and UART interfaces accessible. 7. Onboard lithium battery charging circuit supports 3.7V lithium battery power supply. 8. Reserved 2 user-defined buttons. 9. The overall solution is highly integrated with rich interfaces, suitable for rapid prototyping and application deployment of AIoT smart terminal products.Specification: Package Weight One Package Weight 0.12kgs / 0.27lb One Package Size 10cm * 8cm * 5cm / 3.94inch * 3.15inch * 1.97inch Qty per Carton 96 Carton Weight 12.60kgs / 27.78lb Carton Size 42cm * 34cm * 32cm / 16.54inch * 13.39inch * 12.6inch Loading Container 20GP: 583 cartons * 96 pcs = 55968 pcs40HQ: 1354 cartons * 96 pcs = 129984 pcs

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1. Ergonomics, not tired after holding it for a long time2. Put it back into the charging base to charge, and the battery life is long lasting3. The base receives information wirelessly, stable and fast4. Using the principle of photoelectric coupling, the barcode printing pattern is imaged and then decoded; it can easily scan common one-dimensional barcodes and screen barcodes5. Scan mode: hand-held button trigger scan6. Scanning rate: 200 times/sec7. Interface type: USB interface8. Working voltage: DC 3.3-4.2V9. Surrounding lighting: 200lx10. Rated power: 0.532w11. Scanning current: 140mA12. Standby current: 10mA13. Prompt mode: buzzer, LED indicator14. Battery capacity: 1000mah15. Transmission mode: wireless 2.4G transmission16. Charging time: 3-4 hours17. Function: screen barcode, express barcode, incomplete barcode, one-dimensional barcode, with storage18. Operating environment: 0 to 60 degrees Celsius19. Storage temperature: -40 to 80 degrees Celsius20. Use times: 45000 times21. Waterproof rating: IP5422. Handle material: ABS+TPU23. Features: fast, sensitive, stable, portable, long-distance, long-lasting battery life, intelligent decoding, scannable screen, wireless scanning24. Memory: 512K (accumulatively save 5000-10000 bar code information)25. Code reading mode: CCD red light26. Type of light source: LED (630nm)27. Light source: 265Lux (130nm)28. Weight: 0.36kg29. Dimensions: 165x75x95mmSpecification: Package Weight One Package Weight 0.55kgs / 1.22lb One Package Size 22cm * 15cm * 12cm / 8.66inch * 5.91inch * 4.72inch Qty per Carton 20 Carton Weight 12.00kgs / 26.46lb Carton Size 62cm * 45cm * 32cm / 24.41inch * 17.72inch * 12.6inch Loading Container 20GP: 298 cartons * 20 pcs = 5960 pcs40HQ: 693 cartons * 20 pcs = 13860 pcs

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1. Material: ABS, metal buttons 2. Additional functions: scanning, taking pictures, uploading text excerpts, taking pictures and translation 3. Operation mode: button, scan, touch screen, photograph 4. Bluetooth version: 4.0 5. Screen size: 3 inches 6. Speaker specifications: 1.4W, AAC aluminum mold, high-fidelity speaker 7. Interface: TYPE-C 8. Built-in battery: 1800mAh lithium battery 9. The machine comes with offline OCR technology, which can be accurately recognized without a network, and supports translation in 12 languages 10. Support real-time translation of photos, and you can manually adjust the translation area 11. Dual microphone high-definition noise reduction decoding recording, recording can last for 16 hours, more convenient to use 12. Product size: 14.75 x 4.8 x 1.35 cm 13. Product weight: 95.4 grams Specification: Package Weight One Package Weight 0.21kgs / 0.45lb One Package Size 16cm * 7.5cm * 3cm / 6.3inch * 2.95inch * 1.18inch Qty per Carton 130 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 130 pcs = 23010 pcs40HQ: 412 cartons * 130 pcs = 53560 pcs

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