Search results for "DIY electronics components"

Product description:Do you have trouble connecting two power amplifiers to four sets of speakers? Do you need a power amplifier to make all four speakers sound at the same time?A powerful power amplifier with a sound switcher can solve the above problems.1. Touch-tone switching input for 2 power amplifiers, touch-tone selective switching output for 4 stereo speakers (4 sets of speakers can be turned on or off independently)2. Four sets of stereo speakers can sound at the same time, or one or more sets of speakers can be turned off separately, manually selecting a push-button switch3. Maximum support power per channel is 300W4. Signal input provides no-load protection function of vacuum tube power amplifier signal5. Provide output earphone monitoring function, 6.5mm interface, earphone output with volume adjustment function6. The input and output are manually selected for switching, and directly plugged in for direct use. The switching signal is stable, and there will be no additional dryness or noise between channels7. Compact design, strong metal case, easy installation, no external power supplyProduct parameters:1. Compatible with all types of power amplifiers and speakers.2. The input/output receives heavy speaker wire or speaker pin wire through the terminal port.3. Connect the power amplifier to the position of amplifier A or Amplifier B.4. Connect the loudspeakers to the 1-2-3-4 loudspeaker respectively.5. Turn on your power amplifier stereo, the product does not require external power.6. Earphone listening interface: 6.5mm7. Input: 2 sets of input (banana plug)8. Output: 4 sets of output (banana plug)9. Power: Support 300W10. Metallic material, stainless steel case, compact size suitable for any system.11. Channel power: Each channel supports up to 300W.12. Frequency response: 10Hz - 50KHz.13. Net weight: 0.86 kg14. Product weight after packaging: 0.98 kg15. Product size: Length 240mm x width 113mm x height 55mm16. Package size: Length 260mm x width 185mm x height 65mm high17. Kit list: 2 in 4 out power amplifier x 1Specification: Package Weight One Package Weight 1.13kgs / 2.49lb One Package Size 26cm * 19cm * 7cm / 10.24inch * 7.48inch * 2.76inch Qty per Carton 20 Carton Weight 22.52kgs / 49.65lb Carton Size 52cm * 38cm * 35cm / 20.47inch * 14.96inch * 13.78inch Loading Container 20GP: 385 cartons * 20 pcs = 7700 pcs40HQ: 895 cartons * 20 pcs = 17900 pcs

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Brand Name:mrobo Screen:Yes Screen Size:1.8 inches Battery Specification:Lithium Battery Audio Format Support:WAV,MP3,WMA,FLAC,APE Function:Voice Recorder,World Clock,Photo Viewer,E-Book Reading,Build in Speaker,FM Radio Operation Mode:Touch Tone Bluetooth:No Body Material:Metal Have Speakers or not:No WIFI:No specification:1. Case material: All metal2. Screen size: 1.8 inch TFT LCD color screen3. Screen resolution: 128x160px4. Condition: New5. Memory: Built-in 8GB memory, support 128GB TF card (not included) max 6. Operation: Button switch7. Audio format: MP3 / APE / AAC / FLAC / OGG / WMA.8. Play mode: Single Loop song, All Loop, play and play in random.9. Power supply: Built-in 650mA li-ion polymer battery10. Music function: Yes, support11. Recording function: MIC recording medium and MP3 format12. FM Radio: Support13. E-book: TXT format and bookmark support14. Download and storage: USB 2.0 High-speed transmission15. Audio interface: 3.5mm audio jack16. Multi-language supported: English, Danish, Italian, Portuguese, French, German, Spanish, etc.17. Music play time: 60 hours under the headset screen saver audio18. Video play time: 3-8 hours19. Standby time: 300 hours20. Dimensions: 86x54x14mm Packing list:1. 1 x HiFi music player2. 1 x USB cable3. 1x User manualSpecification: Package Weight One Package Weight 0.15kgs / 0.33lb One Package Size 10cm * 6cm * 3cm / 3.94inch * 2.36inch * 1.18inch Qty per Carton 101 Carton Weight 15.00kgs / 33.07lb Carton Size 46cm * 27cm * 13cm / 18.11inch * 10.63inch * 5.12inch Loading Container 20GP: 1651 cartons * 101 pcs = 166751 pcs40HQ: 3834 cartons * 101 pcs = 387234 pcs

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NB-IoT HAT for Raspberry Pi, Based on SIM7020E, B1/B3/B5/B8/B20/B28 BandsApplicable Region1. SIM7020E is mainly applicable in Europe, Asia, Africa, Australia.2. Please check the supported bands according to your local service provider when placing order.OverviewThis is an NB-IoT (NarrowBand-Internet of Things) HAT for Raspberry Pi, controlled via serial AT commands, supports communication protocols like LWM2M/COAP/MQTT, etc. Due to the advantages of low delay, low power, low cost, and wide coverage, it is the ideal choice for IoT applications such as intelligent instruments, asset tracking, remote monitoring, and so on.Features1. Raspberry Pi connectivity, compatible with any revision2. Support communication protocols such as LWM2M/COAP/MQTT/TCP/UDP/HTTP/HTTPS, etc.3. Onboard USB interface, for power supply OR debugging4. Breakout UART control pins, to connect with host boards like Arduino/STM325. Onboard voltage translator, 3.3V by default, allows to be switched to 5V via onboard jumper6. SIM card slot, supports NB-IoT specific card7. 2x LED indicators, easy to monitor the working status8. Baudrate: 300bps~921600bps (115200bps by default)9. Control via AT commands (V.25TER, 3GPP TS 27.007, and SIMCOM AT Commands)10. Come with development resources and manual (examples for Raspberry Pi/Arduino/STM32/Python)Communications Specifications1. Band- FDD-LTE B1/B3/B5/B8/B20/B28 2. Data rate- Uplink=<62.5Kbps- Downlink=<26.15Kbps3. SMS- Text mode and PDU mode (depends on the NB card)General Specifications1. Power supply: 5V2. Logic level: 5V/3.3V (3.3V by default)3. Overall current (idle mode): ~18mA4. Single module current (VBAT=3.3V):- Idle mode: 5.6mA- Sleep mode: 0.4mA- PSM mode: 5uA- eDRX mode: 70uA (eDRX=655.36s)5. Dimension: 30.5mm x 65.0mmPackage Contents1. SIM7020E NB-IoT HAT x12. Antenna x13. USB type A plug to micro plug cable x14. RPi screws pack (2pcs) x1Note: The Raspberry Pi is NOT included.Specification: Package Weight One Package Weight 0.10kgs / 0.22lb One Package Size 10cm * 6cm * 2cm / 3.94inch * 2.36inch * 0.79inch Qty per Carton 720 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 36cm * 40cm / 23.62inch * 14.17inch * 15.75inch Loading Container 20GP: 308 cartons * 720 pcs = 221760 pcs40HQ: 716 cartons * 720 pcs = 515520 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: 5MSa/second8. Analog bandwidth: 1MHz9. Input impedance: 1M10. Test voltage range: 80vpp-800vpp11. Vertical sensitivity: 10mV/div-10V/div12. Vertical displacement: adjustable with indicator13. Horizontal time base: 500ns-20s14. Trigger mode: Auto/Normal/Single15. Output waveform: 0-10KHz16. 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. Self-calibration function2. Built-in 4400 mAh battery3. Powerful power management capability4. Ultra-low power consumption: less than 3W5. Small and lightweight, compact shape6. One button setting, automatic measurement7. Dual channel, 40/70M optional8. Suspendable bracket, save working space9. Support SCPI communication function, convenient for secondary development10. Oscilloscope + multimeter + signal source multifunction in one11. One package adhesive design, long time use is not easy to fall off12. High-resolution color LCD screen, clear and delicate display13. Type-c charging interface, support charging power, support the upper computer connection14. Oscilloscope function: double sampling mode, high refresh, deep storage, support 7 kinds of automatic measurement, cursor measurement function, save function15. Size: 96x38x198mm16. Weight: about 600gSpecification: Package Weight One Package Weight 0.70kgs / 1.55lb One Package Size 22cm * 13cm * 5cm / 8.66inch * 5.12inch * 1.97inch Qty per Carton 42 Carton Weight 30.00kgs / 66.14lb Carton Size 45cm * 45cm * 17cm / 17.72inch * 17.72inch * 6.69inch Loading Container 20GP: 774 cartons * 42 pcs = 32508 pcs40HQ: 1798 cartons * 42 pcs = 75516 pcs

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1. Material: ABS/stainless steel2. Count: 40003. NCV sensitivity: when the probe tip is close to the object being tested, a green backlight flashes when the induced electric field is weak, and a red backlight flashes when the induced electric field is strong.4. Circuit break location: select NCV mode and follow the circuit. A strong alarm signal indicates a good circuit, while a weak signal indicates a break.5. Suitable for various automotive circuit tests; AUTO automatically identifies AC voltage, resistance, and continuity tests.6. P-Phase sequence detection: switch to Phase mode and follow the steps below to touch the A, B, and C points of the three-phase power supply to detect the phase sequence.7. LCD backlit display: the screen values ??are clearly visible in dark environments.8. Live mode: when the probe tip touches the circuit, the live wire displays "H" with a beep, and the neutral wire displays "Live" with no beep.9. High-resilience spring cord, made of stretchable and tensile-resistant material, will not deform even after repeated stretching, fully elastic and shrinks back to its original shape without becoming tangled, featuring tensile strength, durability, and cold resistance.10. A3016: equipped with a Type-C charging cable, red light during charging, green light when fully charged, built-in 500mA high-capacity rechargeable lithium battery.11. A3015: uses two AAA batteries (not included).12. After 15 minutes of inactivity after powering on, the product will automatically enter sleep mode and shut down, extending battery life and saving energy.13. Dimensions: 17.7x2.8x2.6cmSpecification: Package Weight One Package Weight 0.19kgs / 0.42lb One Package Size 20cm * 9cm * 5cm / 7.87inch * 3.54inch * 1.97inch Qty per Carton 48 Carton Weight 10.00kgs / 22.05lb Carton Size 42cm * 38cm * 32cm / 16.54inch * 14.96inch * 12.6inch Loading Container 20GP: 522 cartons * 48 pcs = 25056 pcs40HQ: 1212 cartons * 48 pcs = 58176 pcs

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1. Mini Passive Stereo Mixer is a stereo four-way passive mixer, used for extended control tuning, music mixer, CD player, tape player, computer, mobile phone, tablet, etc. No battery or other power source is required. 2. Output: RCA jack for connecting mixer output or connecting other output devices. 3. IN 1-4: Control the signal level from inputs 1-4. 4. 4 sets of stereo RCA input, 1 set of stereo RCA output, 5. 4 independently adjustable 100K ohm potentiometers. 6. Input impedance: 10K ohm -47K ohm 7. Output impedance: 2.5K ohm-10K ohm 8. Gain: -12dB MAXSpecification: Package Weight One Package Weight 0.32kgs / 0.70lb One Package Size 15cm * 10cm * 9cm / 5.91inch * 3.94inch * 3.54inch Qty per Carton 30 Carton Weight 10.95kgs / 24.14lb Carton Size 42cm * 38cm * 32cm / 16.54inch * 14.96inch * 12.6inch Loading Container 20GP: 522 cartons * 30 pcs = 15660 pcs40HQ: 1212 cartons * 30 pcs = 36360 pcs

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Features: The output of 4 groups of speakers can be divided into 4 zone switch control, each group of speakers can independently select A and B power amplifier output, and each group of speaker output can independently turn on and off the function.Do you have 2 power amplifiers and 4 sets of speakers that need to be connected to each other?Do you need 2 amplifiers and 4 sets of speakers to get stuck?A powerful amplifier and audio switcher can solve these problems,1. 2 power amplifiers push-button select switch input,4 sets of stereo speakers push-button select switch output (4 sets of speakers can be opened or closed independently)2. Sets of stereo speakers can sound at the same time, you can also turn off one group of speakers or more groups of speakers individually, manually select the pushbutton switch3. The maximum power of each channel is 300W4. Signal input provides vacuum tube power amplifier signal no-load protection function5. Manual selection of input and output switching, straight plug straight use, switching signal stability, between channels will not produce another dry close or noise6. Compact design of solid metal shell, easy installation, the product does not need external power7. Simple installation: input and output plug and play easy installation, you can enjoy different audio experienceProduct Parameter:1. Compatible with all types of power amplifiers and speakers2. Input/output accepts heavy-duty speaker wire or speaker pin wire through the terminal port3. Connect the power amplifier to amplifier A and B4. Connect the loudspeaker to position 1-2-3-4 respectively5. Turn on your power amplifier stereo device and the product requires no external power supply6. Input: 2 sets of inputs (banana plug)7. Output: 4 sets of output (banana plug)8. Power: up to 300W9. Metal material, fine steel housing, compact size suitable for any system10. Channel Power: Each channel supports up to 300W of power11. Frequency response: 10Hz-50KHz12. Product size: length 240mm X width 105mm X height 55mm13. Net weight :0.92 kg14. Kit list: 1 x 2 input 4 output power amplifier switch distributorSpecification: Package Weight One Package Weight 1.21kgs / 2.66lb One Package Size 26cm * 19cm * 7cm / 10.24inch * 7.48inch * 2.76inch Qty per Carton 20 Carton Weight 22.00kgs / 48.50lb Carton Size 52cm * 40cm * 37cm / 20.47inch * 15.75inch * 14.57inch Loading Container 20GP: 346 cartons * 20 pcs = 6920 pcs40HQ: 804 cartons * 20 pcs = 16080 pcs

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This universal adaptor is a compact one piece unit with 4 international adaptors, and provides a child protection safety shutter, power indicator light surge protector. This item with fit the plugs in Europe / UK / USA / China / Japan / Australia / Spain and almost every country in the world 1) Voltage: AC 110-250V 2) Current: 10A 3) EU + AU + UK + US Plug World Universal Travel Adaptor 4) Size: 73mm x 50mm x 39mmSpecification: General Certificate CE Compatible with Samsung: Galaxy E5 HTC: Desire 200 Package Weight One Package Weight 0.11kgs / 0.24lb One Package Size 15.5cm * 9.4cm * 4.6cm / 6.1inch * 3.7inch * 1.81inch Qty per Carton 100 Carton Weight 12.00kgs / 26.46lb Carton Size 47cm * 40cm * 32cm / 18.5inch * 15.75inch * 12.6inch Loading Container 20GP: 443 cartons * 100 pcs = 44300 pcs40HQ: 1029 cartons * 100 pcs = 102900 pcs

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1. Material: ABS+PC2. Size: 61x50x55mm3. Weight: 111g4. Input: AC 100-240V, 50/60HZ 3600mA5. Total output: 5V/3.6A (Max)6. Small and light in appearance, easy to carry when traveling.7. Comply with multi-country standard sockets, and can be converted and used at will.8. The PC shell is used, which is effective in fire prevention and flame retardant, making it safer to use.9. Built-in a variety of protection functions and fuses to protect the safety of electrical equipment.10. There is a protective device inside to prevent childrens fingers or small metal from being inserted.11. The plug specification can be easily switched with one push and one pull, the operation is simple, and it is firm and not easy to loosen.12. With a universal plug, 3 USB ports + 1 Type-C port, easy to use.Specification: Package Weight One Package Weight 0.17kgs / 0.37lb One Package Size 16.5cm * 9.3cm * 6cm / 6.5inch * 3.66inch * 2.36inch Qty per Carton 100 Carton Weight 16.00kgs / 35.27lb Carton Size 60cm * 35cm * 48cm / 23.62inch * 13.78inch * 18.9inch Loading Container 20GP: 264 cartons * 100 pcs = 26400 pcs40HQ: 614 cartons * 100 pcs = 61400 pcs

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1. Pixel: HD 12 million pixels2. Display: 9-inch LCD display3. Magnification: 1-1600 times continuous magnification system4. Object distance: 10mm or more (different object distances correspond to different magnifications)5. Video format: AVI6. Video pixels: up to 1080FHD7. Video resolution: 1080FHD/1080P, 720P8. Photo format: JPG9. Photo resolution: 12M/10M/8M/5M/3M10. Contrast mode: manual focus11. Light source: 8 LED lights (adjustable brightness) + external LED12. Focusing range: 10-40mm (can watch the distant scenery)13. Transmission mode: Micro/USB2.014. PC operating system: Win XP/Win 7/Win 8.1/Win 10/Mac OSx10.5 or higher15. Sixteen language system: English, Spanish, Russian, Korean, Japanese, Thai, Hebrew, Portuguese, German, French, Italian, Turkish, Czech, Polish, Traditional Chinese, Simplified Chinese16. Application range: circuit board, repair, ore, fabric, skin, insects, hair, etc.17. Power supply mode: direct plug / charging (with battery model)18. With battery model battery capacity: 5000mAhFeatures:1. 1600 times magnification, high-definition zoom lens, 10-40mm focal length zoom, a broader range, object distance of 2 cm2. 9 inch large screen, one imaging system, high-definition picture quality3. lifting bracket, can be adjusted at will, using aluminum alloy, wear-resistant and durable4. Thickened wear-resistant base, balanced non-slip, stable and convenient5. With focus wheel, rotate left and right to adjust the clarity of imaging6. Clearly engraved keys, easy to switch7. Support SD card storage function8. With LED adjustment knob, through the left and right rotation of the light intensity adjustmentSpecification: Package Weight One Package Weight 2.00kgs / 4.42lb One Package Size 29cm * 27cm * 11cm / 11.42inch * 10.63inch * 4.33inch Qty per Carton 14 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 14 pcs = 2478 pcs40HQ: 412 cartons * 14 pcs = 5768 pcs

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About The Product1. Mini passive stereo mixer is a stereo four-way passive mixer for extended control tuning, mixing instrument, CD player, tape player, computer, mobile phone, tablet and so on. No battery or other power source required. The device can also be used as 1 In 4 Out stereo distributor clockwise to adjust the volume. 2. OUTPUT: is used to connect RCA jack to mixer output or other output devices. 3. IN 1-4: controls the signal level from input 1-4. 4. 4 groups of stereo RCA input and 1 group of stereo RCA output. 5. Four independently regulated 100K ohms potentiometers.Feature1. Input impedance: 10K ohms to 47K ohms 2. Output impedance: 2.5K ohms to 10K ohms 3. Gain: -12dB MAXSpecification: General Model B896 Material Metal Product Size 83*52*38mm Weight 200g Package Weight One Package Weight 0.36kgs / 0.78lb One Package Size 18cm * 20cm * 6cm / 7.09inch * 7.87inch * 2.36inch Qty per Carton 30 Carton Weight 10.72kgs / 23.63lb Carton Size 50cm * 38cm * 32cm / 19.69inch * 14.96inch * 12.6inch Loading Container 20GP: 438 cartons * 30 pcs = 13140 pcs40HQ: 1018 cartons * 30 pcs = 30540 pcs

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