Search results for "study electronics"

1. Screen: 2.0-inch HD IPS screen2. CMOS size: 1/4 inch3. Photo resolution: 16M, 12M, 10M, 8M, 5M, 3M, 2MHD4. Image format: JPG5. Light source: 8 LED lights (4 white lights and 4 purple lights)6. Focus mode: manual focus7. Digital zoom: not supported8. PC operating system: Windows XP, Win7, Win8, Win10, Mac OSX10.5 or higher9. Lens structure: 4P+IR10. Aperture: F4.511. Lens angle of view: 20 degrees12. Interface and signal transmission method: TYPE-C/USB2.013. Power consumption: 260MA, 1.3W14. Battery capacity: 500MAН, 3.7V15. Working time: 1.5H16. Charging time: 1H17. Supports 12 languages: English, Portuguese, Simplified Chinese, Japanese, French German, Korean, Italian, Dutch, Russian, Spanish, Arabic18. One-touch switch between white light/UV light. Simply tap on the magnifying glass to easily switch between the illumination clarity of white light and the display power of UV light. This convenient feature allows users to easily adapt to various lighting conditions, whether it is checking the authenticity of banknotes, photography, or other tasks that require different lighting spectra19. Type-C interface, which can be connected to a PC to shoot videos and photos. Whether you are shooting photos, videos, or real-time measurements, the Type-C interface ensures fast and reliable data transmission, enabling efficient workflows and easy multimedia integration20. Small size, light weight, suitable for handheld, weighing only 110 grams, ergonomic design, making it easy to manipulate and control, ensuring comfortable operation21. With wide versatility, it is ideal for a variety of tasks, suitable for close-up desktop work such as reading newspapers, documents, maps, coins, stamps, electronic parts, jewelry, photos, knitwear, plants, printed materials, or reading coupons, prescription drugs, small print on medicine bottles22. 500mAh built-in rechargeable battery, no need to frequently replace batteriesSpecification: Package Weight One Package Weight 0.15kgs / 0.34lb One Package Size 17cm * 9cm * 3cm / 6.69inch * 3.54inch * 1.18inch Qty per Carton 120 Carton Weight 18.00kgs / 39.68lb Carton Size 53cm * 28cm * 39cm / 20.87inch * 11.02inch * 15.35inch Loading Container 20GP: 460 cartons * 120 pcs = 55200 pcs40HQ: 1069 cartons * 120 pcs = 128280 pcs

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Features: 1.Built-in professional recording audio processing program, MP3 format recording, one button one function, simple and convenient operation 2.Large-capacity memory allows you to record easily; large-capacity battery to meet your recording time needs 3.Intelligent noise reduction, condenser microphone recording, restore the real sound. 4.Support recording function, convenient and practical 5.Support multiple formats of MP3/WAV audio file playback, automatically shut down and save the recording when the battery is low 6.Drive-free U disk, USB2.0 universal interface, high-speed data transmission 7.Intelligent voice control recording, it coulde be effectively saving storage space and reducing useless files 8. Adopting high-definition broken code screen display, easy to operate at night and clearly visible. Specification: 1.Material: ABS 2.Color: Black 3.Size: 30x97x13mm 4.Recording distance: 10 meters 5.Recording time: 600 minutes 6.Recording format: MP3 7.Transmission interface: USB2.0 8.Power supply: 3.7V-4.2V 9.Battery capacity: 270mAh 10.Recording bit rate: 128Kbps 11.S/N (Noise Ratio): more than or equal to 70dB 12.Power supply; rated voltage: .3.7V-4.2V 13.USB input rated voltage/power: 5V300MAH--5V500MAH 14.Distortion: 0.05% 15. Memory: 8GB Packing list Recording pen(not included TF Card) X1 earphone X1 charging cable X1 user manual X1 Specification: Package Weight One Package Weight 0.13kgs / 0.28lb One Package Size 13.5cm * 7.6cm * 4.8cm / 5.31inch * 2.99inch * 1.89inch Qty per Carton 100 Carton Weight 12.00kgs / 26.46lb Carton Size 48cm * 25cm * 53cm / 18.9inch * 9.84inch * 20.87inch Loading Container 20GP: 419 cartons * 100 pcs = 41900 pcs40HQ: 973 cartons * 100 pcs = 97300 pcs

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Features:1. Add startup voltage detection function2. Automatic detection of NPN and PNP transistors, N-channel and P-channel MOSFETs, diodes (including dual diodes), thyristors, transistors, resistors and capacitors, etc.3. Automatically test pin elements and display on LCD4. Reference for transistors, MOSFET protection diodes, and amplification factors that can detect the forward bias voltage of the transistors emitter.5. Measure the gate threshold voltage and gate capacitance of the MOSFET6. 1602 liquid crystal display adopts LCD (12864 liquid crystal backlight)7. Fast test speed, effective component test: 2 seconds (except for large capacitors, it takes a long time to measure large capacitance, and the measurement time is one minute is normal)8. One-click operation, boot test, one-click acquisition9. Power consumption shutdown mode: less than 20 nA10. Automatic shutdown function to avoid unnecessary waste, save battery power and improve battery lifeSpecification:1. Two-button operation, automatic shutdown2. Only 20na off current3. Automatic detection of NPN, PNP bipolar transistors, N-channel and P-channel MOS field effect transistors, junction field effect transistors, diodes, diodes, thyristors, low power unidirectional and bidirectional thyristors4. Automatically identify component pin arrangement5. Measurement of Bipolar Transistor Current Amplification Factor and Base-Emitter Threshold Voltage6. Identification of Darlington transistor by base-emitter threshold voltage and large current amplification factor7. Detects bipolar and MOS transistor protection diodes8. Gate MOS FET threshold voltage and gate capacitance measurement9. Two resistances and resistance symbol display can be measured simultaneously. The decimal value shown on the right is 4. The resistance symbols on both sides show the number of pins. So you can measure the potentiometer. If the potentiometer wiper is not shifted to the extreme position, we can distinguish the middle and both ends of the needle10. Resistance measurement resolution is 0.1Ω, can measure 50MΩ11. Can measure 325pf-100mf capacitor with 1pf resolution12. 2uf more capacitors can measure equivalent series resistance at the same time. Two can be displayed as decimal values ??with a resolution of 0.01Ω13. The two diodes can be displayed with the diode symbol in the correct order, and the diode forward voltage can be given.14. The LED was detected as having a higher diode forward voltage. The combination of LEDs is identified as two diodes15. Can measure a single diode reverse capacitance. If the bipolar transistor is connected to the collector or emitter of the base and pins, the collector or emitter junction reverse capacitance can be measured16. Can be connected with single measurement rectifier bridgeSpecification: Package Weight One Package Weight 0.25kgs / 0.54lb One Package Size 18cm * 10cm * 6cm / 7.09inch * 3.94inch * 2.36inch Qty per Carton 50 Carton Weight 14.00kgs / 30.86lb Carton Size 41cm * 37cm * 50cm / 16.14inch * 14.57inch * 19.69inch Loading Container 20GP: 351 cartons * 50 pcs = 17550 pcs40HQ: 816 cartons * 50 pcs = 40800 pcs

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1. Material: ABS2. Battery: 6 AA batteries (not included)3. Short circuit current: 1.7mA/1.4mA4. Low battery voltage indication: the display shows5. Count: 1999 (MAX)6. Test voltage: 100V/250V/500V/1000V7. The total length of the lead wire: 91.5 cm8. The megohmmeter insulation tester is suitable for measuring the insulation resistance of various electrical equipment and insulating materials such as motors, cables, switches, electrical appliances, etc.9. Megohmmeter tester is suitable for maintenance, repair, testing and verification of various electrical equipment10. The rated output voltage can be used with function knob, MH10 is 100V, 250V, 500V, 1000V11. The LED light (HV ON) and the HV on the left side of the display indicate the high voltage output in the instrument and the danger of electric shock12. The measurement range of MH10 is 0.1-1999 milliohms, and the range can be changed manually13. Strong load capacity, output short-circuit current greater than 1.0mA14. The digital megger can measure AC voltage from 1V to 750V, and the frequency of AC voltage is 40Hz to 70Hz15. Appearance size: 160x125x85mm16. Weight: about 543.2 gramsSpecification: Package Weight One Package Weight 0.86kgs / 1.90lb One Package Size 22cm * 21cm * 9cm / 8.66inch * 8.27inch * 3.54inch Qty per Carton 20 Carton Weight 18.50kgs / 40.79lb Carton Size 46cm * 44cm * 47cm / 18.11inch * 17.32inch * 18.5inch Loading Container 20GP: 280 cartons * 20 pcs = 5600 pcs40HQ: 650 cartons * 20 pcs = 13000 pcs

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1. Operating voltage: bare board version: 3.3V; Module version: 3.3V/5V2. Communication interface: 3-wire SPI, 4-wire SPI3. Display colors: E6 full color4. Gray scale levels: 25. Global refresh rate: 15s6. Viewing angle: >170°7. Refresh power consumption: <100mW8. Sleep current: <0.01μA (near 0)9. Resolution: 600 x 400 pixels10. Display size: 76.2 x 50.8 mm11. Pixel pitch: 0.127 x 0.127 mm12. Size: bare panel version about 86.6 x 56 x 0.78 mm, module version about 89.5 x 59 mmFeatures:1. No backlight required; retains the last displayed content for an extended period after power loss2. Extremely low power consumption; power is consumed primarily during refresh cycles3. Comprehensive supporting documentation provided (driver board schematics, example programs for Raspberry Pi, Jetson Nano, Arduino, STM32, ESP32, etc.)4. The module board is designed based on the Raspberry Pi 40-pin GPIO interface, making it compatible with Raspberry Pi and Jetson Nano5. The module board adopts the Raspberry Pi HAT+ standard, enhancing the interoperability of expansion boards. This helps developers design and develop faster, use various external devices more easily, and expand the functionality and performance of the Raspberry Pi6. The module version includes a reserved SPI communication interface, facilitating connection to host boards such as Raspberry Pi, Arduino, STM32, and ESP327. The module version features an onboard level-shifting chip, enabling compatibility with both 3.3V and 5V interfaces.Specification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 12cm * 8cm * 3cm / 4.72inch * 3.15inch * 1.18inch Qty per Carton 190 Carton Weight 20.00kgs / 44.09lb Carton Size 50cm * 38cm * 34cm / 19.69inch * 14.96inch * 13.39inch Loading Container 20GP: 412 cartons * 190 pcs = 78280 pcs40HQ: 958 cartons * 190 pcs = 182020 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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Description1. The ST-LINK/V2 is an in-circuit debugger and programmer for the STM8 and STM32 microcontroller families. The single wire interface module (SWIM) and JTAG/serial wire debugging (SWD) interfaces are used to communicate with any STM8 or STM32 microcontroller located on an application board.2. STM8 applications use the USB full speed interface to communicate with STMicroelectronics ST Visual Develop (STVD) or ST Visual Program (STVP) software.3. STM32 applications use the USB full speed interface to communicate with Atollic, IAR, Keil or TASKING integrated development environments.Key Features1. 5V power supplied by a USB connector2. USB 2.0 full speed compatible interface3. USB standard A to mini B cable4. SWIM specific features5. 1.65 V to 5.5 V application voltage supported on SWIM interface6. SWIM low-speed and high-speed modes supported7. SWIM programming speed rate: 9.7 Kbytes/s in low speed and 12.8 Kbytes/s in high speed8. SWIM cable for connection to the application via an ERNI standard vertical (ref: 284697 or 214017) or horizontal (ref: 214012) connector9. SWIM cable for connection to the application via a pin header or a 2.54 mm pitch connector10. JTAG specific features11. 1.65 V to 3.6 V application voltage supported on the JTAG interface and 5 V tolerant inputs12. JTAG cable for connection to a standard JTAG 20-pin pitch 2.54 mm connector13. Direct firmware update feature supported (DFU)14. Status LED which blinks during communication with the PC15. Operating temperature 0 to 50 °CApplication ExampleConnecting the PC and STM8/STM32 application board through ST-LINK/V2 to establish hardware connectionConnection with STM8 applicationsThe ST-LINK/V2 should be connected to the STM8 application via the SWIM cable. Two SWIM cables are delivered with the product:- SWIM flat ribbon with a standard ERNI connector at one end and a 4-pin connector at the other end- SWIM flat ribbon ended with a 4-pin, 2.54 mm, low-cost connector on two sidesConnection with STM32 applicationsFor STM32 developments the ST-LINK/V2 must be connected to the application using the standard 20-pin female-female JTAG flat ribbon provided.ST-LINK/V2 StatusThe LED labeled COM on top of the ST-LINK/V2 shows the ST-LINK/V2 status (whatever the connection type). When the:1. LED is blinking RED: the first USB enumeration with the PC is taking place. If it keeps blinking RED, maybe the USB driver is NOT found.2. LED is RED: communication between ST-LINK/V2 and the PC is established (end of enumeration).3. LED is blinking GREEN/RED: data are being exchanged between the target and the PC.4. LED is GREEN: the last communication has been successful.5. LED is ORANGE: ST-LINK/V2 communication with the target has failed.Specification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 16cm * 9cm * 5cm / 6.3inch * 3.54inch * 1.97inch Qty per Carton 96 Carton Weight 9.60kgs / 21.16lb Carton Size 48cm * 36cm * 40cm / 18.9inch * 14.17inch * 15.75inch Loading Container 20GP: 385 cartons * 96 pcs = 36960 pcs40HQ: 895 cartons * 96 pcs = 85920 pcs

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1. Image sensor: 34 million pixel CMOS sensor2. Video output: HDMI: 2K/1080P, USB: 1080P3. Video format: MP44. Magnification: the real magnification depends on the lens5. Photo resolution: 34MP, 21MP, 16MP, 1080P6. Photo format: JPEG7. Working distance: depends on the lens8. Video output interface: HDMI USB9. Storage: HDMI: TF card interface supports up to 64g, USB: storage in computer10. PC support: support window7/8/10 system with measurement function11. Cross line: There are a variety of colors to choose from 4 horizontal and 4 vertical lines can be moved12. White balance: support automatic manual white balance13. Language: 8 languages including English/Chinese14. Frame rate: HDMI: maximum support 60 frames, USB: 30 frames15. Exposure: manual or automatic exposure16. Electronic zoom: electronic zoom 1x-8x function, this is the camera electronic zoom is not true zoom17. Working temperature: 0-60 degrees Celsius18. Power supply mode: external 12V (wide voltage 110v-220v)19. Scanning method: progressive scanSpecification: Package Weight One Package Weight 0.45kgs / 1.00lb One Package Size 22cm * 18cm * 11cm / 8.66inch * 7.09inch * 4.33inch Qty per Carton 66 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 66 pcs = 11682 pcs40HQ: 412 cartons * 66 pcs = 27192 pcs

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USB Midi drum Kit MD1008 is high-tech entertainment product with modern science and technology, electronics industry innovation design. Injecting young people's spirit of advocating joy and enjoying music into product design makes products embody cool, convenient. USB Midi drum Kit MD1008 makes you approach to experience real musical instrument and will add more extreme color for your life. MD 1008 extends the classical beauty of the old, Which is convenient for your learning and entertainment and allow you to experience enjoying yourself. USB Midi drum Kit MD1008 supports Midi functions. It can play, record and edit. **Features 1) Portable and light 2) Up to 9 pad including Bass Drum, Tom, Snare, Hi-Hat and Crash Cymbal 3) High quality material with good handle 4) Support 2*AAA battery power, also can connect DC adapter. 5) USB input port, supporting hot plug 6) Can play、record and edit with the official musical software 7) Use of drums reality sound, various optional drums. Will bring the perfect brand-new experience 8) Support MP3, louder speaker, headphone 9) Professional and standard MIDI input device that be similar to MIDI Keyboard 10) USB class compliant for Win XP / Vista and Win7 11) Compatible with Cakewalk, Sonar, Cubase, Nuendo and any other major sequencer software You also can play without connecting to the PC 12) Size: 46 x 31cmSpecification: Package Weight One Package Weight 1.32kgs / 2.91lb One Package Size 35.4cm * 19.3cm * 6.7cm / 13.94inch * 7.6inch * 2.64inch Qty per Carton 8 Carton Weight 9.90kgs / 21.83lb Carton Size 40cm * 37cm * 28cm / 15.75inch * 14.57inch * 11.02inch Loading Container 20GP: 643 cartons * 8 pcs = 5144 pcs40HQ: 1493 cartons * 8 pcs = 11944 pcs

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1. Display: 2.4-inch TFT colour screen, LED backlighting2. Supply voltage: built-in 1500mAh rechargeable lithium battery3. Charging specification: USB Type-C, +5V4. Product volume: 79x103x31mm5. Real-time sampling rate: 10MSa / s6. Analogue bandwidth: 500Khz7. Input impedance: 1 milliohm8. Coupling method: AC/DC9. Test voltage range: 400V10. Vertical sensitivity: 10mV-10V11. Horizontal time base range: 1us-10s12. Trigger mode automatic: normal single13. Trigger type: rising edge/falling edge14. Compact body, simple modelling, easy to use, to meet the measurement routine15. Automatic identification and measurement of various transistors, including NPN and PNP transistors, N-channel and P-channel FETs, junction FETs, diodes, dual-diode thyristors, etc., as well as resistors, inductors, capacitors and other passive components16. Built-in 1500mAh high-capacity lithium battery, power supply continuous operation without isolation transformer, safer to use17. 2.4-inch anti-see-through high-resolution display, allowing you to read clearly even in bright sunlight18. One-piece folding, placed in a stable support, does not take up space19. Size: 79x103x31mmStandard:- DSO-TC3 Tester x 1-Type-C charging cable x 1-Common probe x 1-Test Hook x 3Upgrade:-DSO-TC3 Tester x 1-Adaptor x 1-P6100 High Voltage Probe x 1-Type-C charging cable x 1-Normal Probe x 1-Test Hook x 1Specification: Package Weight One Package Weight 0.32kgs / 0.71lb One Package Size 13cm * 18cm * 6cm / 5.12inch * 7.09inch * 2.36inch Qty per Carton 50 Carton Weight 16.00kgs / 35.27lb Carton Size 64cm * 32cm * 31cm / 25.2inch * 12.6inch * 12.2inch Loading Container 20GP: 420 cartons * 50 pcs = 21000 pcs40HQ: 975 cartons * 50 pcs = 48750 pcs

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1. Built-in ST7735 driver chip2. 0.85-inch IPS display with 128 x 128 resolution, 65K color, high-definition display image3. SPI communication interface, simple interface, occupies few IO resources, convenient for embedded development4. 2.5D tempered glass panel, good light transmission, scratch-resistant and durable; edge arc design, smooth hand feel5. Mechanical key structure, pressing feels crisp, capable of coping with high-frequency usage6. Supports development on platforms such as Raspberry Pi, Arduino, ESP32, RP2040, STM32, etc., and provides complete supporting materials and sample programsParameters1. Working voltage: 3.3V2. Display color: 65K3. Display panel: IPS4. Communication interface: 4-wire SPI5. Resolution: 128 x 128 pixels6. Display size: 15.21 x 15.21mm7. Pixel pitch: 118.8 x 118.8 micrometers8. Control chip: ST7735Specification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 5cm * 4cm * 3cm / 1.97inch * 1.57inch * 1.18inch Qty per Carton 860 Carton Weight 27.00kgs / 59.52lb Carton Size 47cm * 38cm * 34cm / 18.5inch * 14.96inch * 13.39inch Loading Container 20GP: 439 cartons * 860 pcs = 377540 pcs40HQ: 1019 cartons * 860 pcs = 876340 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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