Search results for "study electronics"

Details:1. Material: Plastic2. Weight: about 350 grams3. Size: about 8.7x7.9x3.9 cm4. Printing format: 5.7 cm5. Battery capacity: 900mAh6. Working voltage: 5.0V 1A7. Charging interface: 5.0V Micro-USB8. Functions: Take photos to search for questions, sort out wrong questions, answer skills, print real questions, learn English, recite poems, Chinese characters practice, language translation, classified notes, to-do list, document printing, web page printing, interesting handbook, photo printing, Note transfer, voice recognitionFeatures:1. Built-in rich functions, both learning and entertainment2. Bluetooth connection, easy to use3. Smart label sensor, automatically matching label size4. Portable tearing port, tearing paper neatly5. Push-button opening, light touch switch, easy paper replacement6. 306DPI high-definition print head, high-precision inkless printingSpecification: Package Weight One Package Weight 0.50kgs / 1.11lb One Package Size 11cm * 9cm * 5cm / 4.33inch * 3.54inch * 1.97inch Qty per Carton 60 Carton Weight 30.00kgs / 66.14lb Carton Size 43cm * 35cm * 19cm / 16.93inch * 13.78inch * 7.48inch Loading Container 20GP: 932 cartons * 60 pcs = 55920 pcs40HQ: 2164 cartons * 60 pcs = 129840 pcs

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1. The breadboard is made of ABS plastic with black printed instructions, including color codes for each strip.2. The solderless breadboard features a self-adhesive tape strip on the back for easy attachment to any surface. The contact points are marked both horizontally and vertically.3. The solderless breadboard has 830 contacts, making it easy to quickly assemble electronic circuits.It is extremely easy to use, especially with DuPont multi-color jumper cables; no soldering is required; simply plug and unplug.4. Primarily designed for breadboard prototyping, it is compatible with Arduino projects, Raspberry Pi, single-board computers, LoveRPi kits, and other DIY projects. It is ideal for labs, industry, universities, schools, hobbies, or model making.5. It ensures uninterrupted circuit connections and is designed to resist failure under various conditions, providing safe and stable connections between components.6. Set includes an 830-hole breadboard, power supply, and 65 breadboard wires.Specification: Package Weight One Package Weight 0.16kgs / 0.36lb One Package Size 26cm * 19cm * 4cm / 10.24inch * 7.48inch * 1.57inch Qty per Carton 8 Carton Weight 2.40kgs / 5.29lb Carton Size 28cm * 21cm * 34cm / 11.02inch * 8.27inch * 13.39inch Loading Container 20GP: 1333 cartons * 8 pcs = 10664 pcs40HQ: 3096 cartons * 8 pcs = 24768 pcs

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1. Realistic sound, simulating real strike effects. 2. Can play pop, rock, Latin, electronic and other styles. 3. Hi-hat using the pedal control to simulate the real hi-hat effect, there are closed, open, pedal hi-hat sound effects. 4. The position of the hi-hat and the snare drum can be interchanged to suit the player's hand habit, which can avoid the inconvenience of playing in the same plane. 5. The drum is simulated by pedals, and the hands and feet are used to practice more like real drums, and the well-behaved hand and foot coordination is well trained. 6. Two-channel output, good sound effects (external speakers must be used to make sound). 7. Headphone output, you can practice without disturbing others. 8. Built-in metronome basic function, training a good sense of rhythm. 9. This section does not have a link computer game function. Product feature: 1.Compact size and portable roll-up electronic drum set, very convenient to carry and store. 2.With 7 silicon drum pads including Tom/Snare/Hi-Hat/Crash/Ride, making excellent sounds and simulating real beating effect. 3.SNARE and HI-HAT positions can be exchanged by pressing SPECIAL button, according to the hahit of player. Built-in 5 drum set tones, 8 demo songs and 3 types of rhythms for easier practice. 4.Supports USB port or 2 * AAA batteries power supply.(batteries are not included) 5.With 3.5mm headphone output jack for connecting external earphone or speaker. 6.With MP3 input for connecting MP3/smartphone/ tablet to playing accompanying music. 7.Comes with a pair of drum sticks, 2 sustain pedals, a USB cable, and a 3.5mm audio cable. Ideal for drum set learning & practicing of kids or beginners, family entertainment and friends gathering. Specifications: 1.Material: Silicon + Plastic, Non-toxic and harmless environmental protection silicone, silicone pad 100% waterproof . 2.Drum Set Tones: POP, Rock, Latin, Electro, Percussion. 3.Demo Songs: Heavy Rock, Funk, Latin, Samba, Cha-Cha, Swing Hi-Hat, Upbeat Rock. 4.Power Supply: USB Cable(included) or 2 x AAA Batteries(not included). 5.Item Size: 43 x 28 x 2.7cm / 16.9 x 11 x 1.1 inch. 6.Item Weight: 455g / 16oz. 7.Power: DC 5V. 8.Input: 2.5W. 9.Output: 2W. Package includes: Hand Roll Drum x 1 Plastic bag x 1 User Manual x 1 Drum Sticks x 2Specification: Package Weight One Package Weight 0.93kgs / 2.05lb One Package Size 45cm * 30cm * 4.7cm / 17.72inch * 11.81inch * 1.85inch Qty per Carton 8 Carton Weight 9.50kgs / 20.94lb Carton Size 62cm * 40cm * 40cm / 24.41inch * 15.75inch * 15.75inch Loading Container 20GP: 268 cartons * 8 pcs = 2144 pcs40HQ: 624 cartons * 8 pcs = 4992 pcs

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OverviewSmart robot is always the favorite project of electronic enthusiasts, however, a robot will be "not that smart" if it is not AI-based.Welcome the JetBot, an actual smart robot powered by Jetson Nano. With the intelligent eye (front camera), facial recognition, object tracking, auto line following, and collision avoidance can be easily achieved. It also comes with ROS nodes code, which makes it easy to get started with the open source ROS (Robot Operating System), and to learn the system framework and concepts of ROS.Features1. Adopts 3x 18650 batteries (NOT included), high battery capacity, up to 12.6V voltage output, more powerful driving force.2. Integrates S-8254AA + AO4407A lithium battery protection circuit, provides protections for over-charge, over-discharge, over-current, and short circuit.3. Onboard APW7313 voltage regulator, provides stable 5V voltage for the Jetson Nano.4. Onboard TB6612FNG dual H-bridge motor driver.5. Onboard 0.91inch 128×32 pixels OLED, allows to display robot IP address, RAM, battery life, etc.6. Onboard ADS1115 AD acquisition chip for monitoring the battery in real time.7. Weight: 1029gWhat is on the JetBot Expansion Board1. S-8254AA: Lithium battery protector, provides protections for over-charge, over-discharge, over-current, and short circuit2. ADS1115: 16-bit AD acquisition chip, monitoring the battery in real time3. AO4407A: P-Channel MOSFET for protection circuit4. APW7313: 5V power regulator for powering the Jetson Nano5. PCA9685: PWM controller, I2C interface, for IO expansion6. TB6612FNG: dual H-bridge motor driver7. 0.91 inch OLED: SSD1306 driver chip, 128×32 pixels8. Battery charger input: charging the 3x 18650 batteries9. Power switch10. 18650 battery holder11. Motor connector (bottom side)12. Jetson Nano communication header: I2C interface and power supplyPacking List1. Jetson Nano Developer Kit x12. Micro SD Card 64GB ×13. Metal box x14. Camera holder x15.Acrylic piece x16. Jetbot expansion board x17. IMX219-160 Camera x18. Wireless-AC8265 x19. Motor 2PCS x110. Wheel 2PCS x111.Omni-direction wheel 2PCS x112. Power adapter EU head x113. 12.6V battery charger x114. Wireless gamepad x115. Screwdriver 2PCS x116. 6Pin 9cm cable x117. Screws pack x118. Spanner x119. Cooling fan x120. Micro SD card reader x1Specification: Package Weight One Package Weight 1.40kgs / 3.10lb One Package Size 28cm * 20cm * 15cm / 11.02inch * 7.87inch * 5.91inch Qty per Carton 10 Carton Weight 15.00kgs / 33.07lb Carton Size 52cm * 40cm * 60cm / 20.47inch * 15.75inch * 23.62inch Loading Container 20GP: 213 cartons * 10 pcs = 2130 pcs40HQ: 496 cartons * 10 pcs = 4960 pcs

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1. One machine with dual use, can test electric and magnetic field radiation at the same time 2. Sound and light alarm, when the detection result exceeds the safe value, the instrument will automatically alarm 3. Data lock, one-key lock of radiation value 4. LCD graphic display radiation value trend 5. Radiation assessment, remind you whether the radiation value is safe 6. Stylish design, easy to operate, it is easy to move or perform on-site measurement 7. Can test electric field radiation and magnetic field emission to achieve good test results 8. Used to test and study indoor and outdoor electromagnetic radiation 9. Built-in electromagnetic radiation sensor, after processing by the control microchip, the radiation value can be displayed on the LCD digital display. You can deal with electromagnetic radiation reasonably or take effective preventive measures based on the test results 10. Test bandwidth: 5Hza??3500MHz 11. Sampling time: about 0.4 seconds 12. Working temperature: 0-50 degrees Celsius 13. Operating humidity: relative humidity is less than 80% 14. Working voltage: 9V 15. Power supply: 6F22 9V battery 16. Size: 63.6x31x125.8mm 17. Weight: 146gSpecification: Package Weight One Package Weight 0.26kgs / 0.58lb One Package Size 18cm * 13cm * 6cm / 7.09inch * 5.12inch * 2.36inch Qty per Carton 60 Carton Weight 17.04kgs / 37.57lb Carton Size 57cm * 40cm * 45cm / 22.44inch * 15.75inch * 17.72inch Loading Container 20GP: 259 cartons * 60 pcs = 15540 pcs40HQ: 603 cartons * 60 pcs = 36180 pcs

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1. Suitable voltage DC3.7-13V2. Current adjustment 0.15A-3A, continuously adjustable3. The continuous discharge power is 15W, that is, the discharge current is about 1A at 13V, and the discharge current is 3A at 5V4. The fan starts and stops intelligently to control the temperature around 40 degrees5. USB positive and negative can lead to a wider range of applications separatelySpecification: Package Weight One Package Weight 0.04kgs / 0.10lb One Package Size 15cm * 12cm * 5cm / 5.91inch * 4.72inch * 1.97inch Qty per Carton 500 Carton Weight 22.00kgs / 48.50lb Carton Size 50cm * 50cm * 44cm / 19.69inch * 19.69inch * 17.32inch Loading Container 20GP: 242 cartons * 500 pcs = 121000 pcs40HQ: 562 cartons * 500 pcs = 281000 pcs

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1. Sealed appearance design, dust-proof2. Built-in metal heat sink, resistant to high temperatures3. Supports and is equipped with two 35W, 125dB high-frequency dedicated speakers4. Powered by an external 12V power supply and comes with a power cord with 2 clips5. Supports playlist selection function6. 96 x 64 LCD display, facilitating viewing of information about the played files, volume settings, and battery status7. USB2.0 transmission rate, fast transmission speedSpecification: Package Weight One Package Weight 1.01kgs / 2.24lb One Package Size 20cm * 14cm * 10cm / 7.87inch * 5.51inch * 3.94inch Qty per Carton 12 Carton Weight 14.00kgs / 30.86lb Carton Size 42cm * 32cm * 30cm / 16.54inch * 12.6inch * 11.81inch Loading Container 20GP: 661 cartons * 12 pcs = 7932 pcs40HQ: 1535 cartons * 12 pcs = 18420 pcs

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Overview1. Smart robot is always the favorite project of electronic enthusiasts, however, a robot will be "not that smart" if it is not AI-based.2. Welcome the JetBot, an actual smart robot powered by Jetson Nano. With the intelligent eye (front camera), facial recognition, object tracking, auto line following, and collision avoidance can be easily achieved. It also comes with ROS nodes code, which makes it easy to get started with the open source ROS (Robot Operating System), and to learn the system framework and concepts of ROS.3. If you have got a Jetson Nano on your desk right now, combined with our open source codes and tutorials, these add-ons would be the ideal choice for you to learn AI robot designing and development.Features1. Adopts 3x 18650 batteries (NOT included), high battery capacity, up to 12.6V voltage output, more powerful driving force.2. Integrates S-8254AA + AO4407A lithium battery protection circuit, provides protections for over-charge, over-discharge, over-current, and short circuit.3. Onboard APW7313 voltage regulator, provides stable 5V voltage for the Jetson Nano.4. Onboard TB6612FNG dual H-bridge motor driver.5. Onboard 0.91inch 128×32 pixels OLED, allows to display robot IP address, RAM, battery life, etc.6. Onboard ADS1115 AD acquisition chip for monitoring the battery in real time.7. Weight: 773gWhat is on the JetBot Expansion Board1. S-8254AA: Lithium battery protector, provides protections for over-charge, over-discharge, over-current, and short circuit2. ADS1115: 16-bit AD acquisition chip, monitoring the battery in real time3. AO4407A:: P-Channel MOSFET for protection circuit4. APW7313:: 5V power regulator for powering the Jetson Nano5. PCA9685: PWM controller, I2C interface, for IO expansion6. TB6612FNG: dual H-bridge motor driver7. 0.91inch OLED: SSD1306 driver chip, 128×32 pixels8. Battery charger input: charging the 3x 18650 batteries9. Power switch10. 18650 battery holder11. Motor connector (bottom side)12. Jetson Nano communication header: I2C interface and power supplyPacking List1. Metal box x12. Camera holder x13. Acrylic piece x14. Jetbot expansion board x15. IMX219-160 Camera x16. Wireless-AC8265 x17. Motor 2PCS x18. Wheel 2PCS x19. Omni-direction wheel 2PCS x110. Power adapter EU head x111. 12.6V battery charger x112. Wireless gamepad x113. Screwdriver 2PCS x114. 6Pin 9cm cable x115. Screws pack x116. Spanner x117. Cooling fan x118. Micro SD card reader x1Specification: Package Weight One Package Weight 1.04kgs / 2.30lb One Package Size 22cm * 16cm * 4cm / 8.66inch * 6.3inch * 1.57inch Qty per Carton 20 Carton Weight 21.50kgs / 47.40lb Carton Size 62cm * 42cm * 42cm / 24.41inch * 16.54inch * 16.54inch Loading Container 20GP: 243 cartons * 20 pcs = 4860 pcs40HQ: 566 cartons * 20 pcs = 11320 pcs

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1. A 4-inch LCD screen is used. Due to the larger screen, there is more PCB space for installing components and batteries2. Use an independent charge pump to power the mixer and add tantalum capacitors, which can further reduce power supply noise3. In order to make it easier for geeks to create more possibilities, UART1 and PC14, PC15 interfaces are drawn on the PCB, which is convenient for DIY expansion4. ABS shell, can effectively protect SMA connectors and buttons5. DC dimming is added, it can be seen more clearly when used outdoors, and it is more comfortable to use indoors.6. Optimized the bridge to make full use of the Si5351s harmonics. Now the 5th harmonic can be used to measure to 1.5GHz;7. When the fundamental wave is used, the output level of CH0 is increased to 0dBm, and the reflection measurement is more accurate;8. Solve the previous abnormality of NanoVNA-H near 6MHz9. The redesigned power management circuit further reduces power noise, reduces USB power interference, reduces charging current, and protects the battery10. Optimized PCB layout, accommodating 1950mAh battery, more than 8 hours of usepacking list:1. NanoVNA host x 1 (including 4-inch touch screen, 2000mAh battery)2. 15cm SMA male to male RG316 RF cable x 23. SMA female to female connector x14. SMA simple calibration kit SHORT x15. SMA simple calibration kit OPEN x16. SMA simple calibration kit LOAD x17. USB Type-C data cable x18. Type-c to Type-c x1 supports connection with most Android phones9. One pickSpecification: Package Weight One Package Weight 0.40kgs / 0.89lb One Package Size 24cm * 14cm * 3cm / 9.45inch * 5.51inch * 1.18inch Qty per Carton 40 Carton Weight 15.80kgs / 34.83lb Carton Size 50cm * 30cm * 32cm / 19.69inch * 11.81inch * 12.6inch Loading Container 20GP: 555 cartons * 40 pcs = 22200 pcs40HQ: 1289 cartons * 40 pcs = 51560 pcs

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1. Measuring range: 0.01-200uT/0.1-2000mG2. Frequency range: 30-1000Hz3. Measuring range: 1-2000V/m4. Range: 2000V/m5. Resolution: 1V/m6. Frequency range: 50MHz-3.5GHz7. Automatic shutdown: about 15 minutes8. Usage environment: 0-40 degrees Celsius9. Battery: 3x1.5V AAA battery (not included in this product)10. When the device detects a magnetic field, it will display different backlight colors according to the size of the measurement value to remind the user11. Suitable for household appliances working within the power frequency range12. Small size, does not take up space, easy to carry aroundSpecification: Package Weight One Package Weight 0.23kgs / 0.52lb One Package Size 18cm * 9cm * 6cm / 7.09inch * 3.54inch * 2.36inch Qty per Carton 75 Carton Weight 18.25kgs / 40.23lb Carton Size 56cm * 47cm * 32cm / 22.05inch * 18.5inch * 12.6inch Loading Container 20GP: 316 cartons * 75 pcs = 23700 pcs40HQ: 735 cartons * 75 pcs = 55125 pcs

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1. No backlight, keeps displaying last content for a long time even when power down2. Ultra low power consumption, basically power is only required for refreshing3. Comes with online development resources and manual (driver board schematic diagram and examples for Raspberry Pi / Jetson Nano / Arduino / STM32 / ESP32, etc.)Optional for e-Paper driver board:1. Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi and Jetson Nano series boards2. Adopts Raspberry Pi HAT+ standard to improve interoperability, helping the users to design and develop faster, easy to use with other peripherals and extend more functions for Raspberry Pi3. Adapting SPI interface for connecting with controller boards like Raspberry Pi / Jetson Nano / Arduino / STM32 / ESP32, etc.4. Onboard voltage translator, compatible with 3.3V / 5V MCUsSpecifications:1. Operating voltage: Raw display: 3.3V3.3V；with driver board: 3.3V / 5V2. Display colors: Red, yellow, black, white3. Communication interface: 3-wire SPI, 4-wire SPI4. Grayscale levels: 25. Dimensions: Raw display: 105.33 × 62.37 × 0.91 mm; with driver board: 107.00 × 64.00 mm6. Full refresh time: 20s7. Display area: 92.80 × 55.68 mm8. Refresh power consumption: Less than 90mW9. Dot pitch: 0.116 × 0.116 mm10. Sleep current: Less than 0.01μA (near zero)11. Resolution: 800 × 480 pixels12. Viewing angle: Greater than 170-Specification: Package Weight One Package Weight 0.08kgs / 0.19lb One Package Size 14cm * 10cm * 3cm / 5.51inch * 3.94inch * 1.18inch Qty per Carton 128 Carton Weight 11.30kgs / 24.91lb Carton Size 50cm * 34cm * 34cm / 19.69inch * 13.39inch * 13.39inch Loading Container 20GP: 461 cartons * 128 pcs = 59008 pcs40HQ: 1071 cartons * 128 pcs = 137088 pcs

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1. K-890 is a 3 5/6 high precise digital instrument with functions of stable performance, battery-driven, high reliability ,and high accuracy. 2. The instrument is with 21mm supersized screen to keep a clear reading and peak value holding. 3. And it is also can be used to measure some parameters such as DC voltage ,AC voltage, DC current ,AC current, resistances, capacitors, diodes, temperature, on and off, electric field induction testing,and frequency. 4. The whole machine takes double integral A / D conversion as the core, this is a superior capability instrument and ideal home furnishing tool for the laboratory, factories, radio enthusiasts. 5. 6000 bit range digital display 6. 15 seconds backlight time 7. Auto power-off 8. Note: battery (Not included)Specification: Package Weight One Package Weight 0.62kgs / 1.37lb One Package Size 23cm * 16cm * 6cm / 9.06inch * 6.3inch * 2.36inch Qty per Carton 30 Carton Weight 19.00kgs / 41.89lb Carton Size 50cm * 48cm * 32cm / 19.69inch * 18.9inch * 12.6inch Loading Container 20GP: 347 cartons * 30 pcs = 10410 pcs40HQ: 806 cartons * 30 pcs = 24180 pcs

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