Search results for "environmental electronics"

1. Thicken nickel-plated joint, reduce sound loss, anti-oxidation and non-rust, plug-resistant2. Flat plug design takes up less space3. A thick copper conductor allows sound quality to be transmitted without loss4. Apply to the connection between 6.5 mm interface devices5. It is suitable for electronic drums, electronic piano, electronic piano, electric guitar, bayse, speaker, AMP, microphone, etc.6. The electric guitar connects the sound box equipment, adjusts the sound, the recording is more convenient, releases the music true colors7. Fold size: 0.5 m: 14 x 9 x 1.5 cm, 1 m: 15 x 13 x 1.5 cm, 3 m: 17 x 14 x 2 cm, 6 m: 21 x 17 x 2 cm8. Weight: 0.5 m: 64g, 1 m: 94g, 3 m: 190g, 6 m: 373gSpecification: Package Weight One Package Weight 0.40kgs / 0.89lb One Package Size 21cm * 17cm * 2cm / 8.27inch * 6.69inch * 0.79inch Qty per Carton 74 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 74 pcs = 13098 pcs40HQ: 412 cartons * 74 pcs = 30488 pcs

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1. The ESP32-S3-LCD-0.85 is a microcontroller development board supporting 2.4GHz Wi-Fi and Bluetooth BLE 5. It features a small square-box molded plastic enclosure, compact and aesthetically pleasing with excellent texture. On-board peripherals include a 0.85-inch IPS color LCD display, Micro SD card slot, 8 RGB colorful lights, and a low-power audio codec chip, facilitating development for multimedia and interactive applications. Leveraging these hardware resources, the product enables functions like image display, audio playback, and lighting effects control. It is suitable for rapid prototyping and can be embedded into end products for personalized expansion and secondary development.2. Equipped with a high-performance Xtensa 32-bit LX7 dual-core processor, with a clock frequency up to 240MHz.3. Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), with an on-board antenna.4. Built-in 512KB SRAM, 384KB ROM, 8MB Flash, and 8MB PSRAM.5. Uses a Type-C interface, enhancing user convenience and device compatibility.6. On-board 0.85-inch LCD screen, 128 x 128 resolution, 65K colors.7. On-board 8 ring-shaped RGB colorful lights, programmable for various dynamic lighting effects.8. On-board 3.7V MX1.25 lithium battery charge/discharge interface.9. Exposed I2C, UART, and other solder pads allow for external device connections and debugging, enabling flexible peripheral configuration.10. On-board Micro SD card slot provides expanded storage, fast data transfer, and flexibility for data logging and media playback, simplifying circuit design.11. On-board resources include the ES8311 audio codec chip, dual-MIC microphone module, and others. LCD Screen Parameters:1. Operating voltage 3.3V/5V 2. Display size 15.21 x 15.21 mm 3. Display resolution 128 x 128 pixels 4. Display color: 65K 5. Display panel: IPS 6. Pixel pitch 39.6 x 118.8 um 7. Interface type: 4-wire SPI8. Driver IC: GC9107Specification: Package Weight One Package Weight 0.08kgs / 0.19lb One Package Size 8cm * 8cm * 5cm / 3.15inch * 3.15inch * 1.97inch Qty per Carton 120 Carton Weight 10.70kgs / 23.59lb Carton Size 42cm * 34cm * 32cm / 16.54inch * 13.39inch * 12.6inch Loading Container 20GP: 583 cartons * 120 pcs = 69960 pcs40HQ: 1354 cartons * 120 pcs = 162480 pcs

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1. Low-power sleep mode design 2. One way alarm voltage output 3. It can detect the voltage of the battery in real time and make a low battery voltage alarm, suitable for battery-powered applications, and a wide voltage supply range from DC5V to DC16V 4. Eight-way alarm detection, users can set different content for each alarm SMS, The input port can be selected as NC or NO alarm mode 5. 6 groups of called numbers can be set. When the alarm input has a trigger signal, an alarm message will be sent to the alarm number, or an alarm will be called directly 6. Easy to use, supports iOS and Android apps, you can simply send text messages through the app to set up 7. Wide application fields: mainly home security, warehouses, remote unattended stations, remote monitoring of equipment parameters (such as oil pressure, air pressure, water pressure, voltage, etc.), product upgrades (voltage monitoring, overload monitoring, etc.), safety protection (Smoke, fire, water level monitoring, gas, etc.) Other unattended points 8. Size: 8 x 5.8 x 2.2cmSpecification: Package Weight One Package Weight 0.18kgs / 0.41lb One Package Size 10cm * 8cm * 5cm / 3.94inch * 3.15inch * 1.97inch Qty per Carton 100 Carton Weight 21.00kgs / 46.30lb Carton Size 52cm * 42cm * 22cm / 20.47inch * 16.54inch * 8.66inch Loading Container 20GP: 555 cartons * 100 pcs = 55500 pcs40HQ: 1288 cartons * 100 pcs = 128800 pcs

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1. Frequency range: 2.4GHZ2. Radio distance: about 20 meters3. Frequency response range: 20-20KHZ4. Charging time: about 100min5. Signal-to-noise ratio: 79db6. Interface: 8Pin/Type-C7. Output power: 5W8. Microphone: Electronic silicon microphone9. Battery capacity: microphone 100mAh, charging compartment 450mAh10. Function: DSP noise reduction, two-way monitoring function, reverberation, sound card function11. Size: microphone about 5.5x1.5 cm12. Weight: about 2.4 grams of microphoneFeatures:1. Smart charging compartment, wireless charging anytime, anywhere, convenient and fast2. Double mark noise reduction + three gears adjustable3. 360-degree high-definition surround radio4. Support computer/mobile phone/TV/camera/audio5. Dual-chip active noise reduction, which can shield ambient noise when turned on6. Small and easy to hide, you can clip the neckline, cuffs, etc., live video recording is convenient to carry7. 2.4G wireless, 1 second automatic connection, strong signal, unimpeded synchronous transmission8. Independent buttons on the side, 1s connection after booting, no need for cumbersome configuration9. Convenient and stable collar clip, stable without falling10. Metal anti-splash net, anti-spitting, anti-breaking sound, clearer radio11. High-density spray-proof sponge, high-sensitivity microphone, quick response12. Real-time ear-back monitoringSpecification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 12cm * 10cm * 4cm / 4.72inch * 3.94inch * 1.57inch Qty per Carton 500 Carton Weight 27.00kgs / 59.52lb Carton Size 50cm * 50cm * 54cm / 19.69inch * 19.69inch * 21.26inch Loading Container 20GP: 197 cartons * 500 pcs = 98500 pcs40HQ: 458 cartons * 500 pcs = 229000 pcs

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1. 3 levels of air volume adjustment, simulating natural wind, refreshing and refreshing2. The wind deflector structure, exquisite workmanship3. 800-2600 mAh built-in battery is optional, and the standby time varies, about 3-13 hours4. The base is separated, it can be handheld or desktop, it can be used no matter when you go to get off work, go to work, or travel in the dormitory. You can put it in the office or solve the sweltering heat on the way to get off work5. PP environmental protection material, skin-friendly feel, strong and scratch-resistantParameter:1. Input voltage: DC 5V 0.8A (MAX)2. Wind speed gear: 3 gears3. Charging interface: USB interface4. Size: 20 x 8.5cm5. Weight: 73 gramsSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 24cm * 14cm * 8cm / 9.45inch * 5.51inch * 3.15inch Qty per Carton 270 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 270 pcs = 47790 pcs40HQ: 412 cartons * 270 pcs = 111240 pcs

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OverviewThis is a general OLED display Module, 0.91inch diagonal, 128x32 pixels, with embedded controller, communicating via I2C interface.Features1. 0.91inch small form factor2. 128x32 high resolution3. I2C interface, requires only two signal pins4. Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32)Specifications1. Driver: SSD13062. Interface: I2C3. Display color: White4. Resolution: 128x325. Viewing angle: >160 degree6. Operating voltage: 3.3V / 5V7. Dimension: 36 x 12.5 (mm)Package Contents1. 0.91inch OLED Module x13. PH2.0 4Pin x1Specification: Package Weight One Package Weight 0.02kgs / 0.04lb One Package Size 6cm * 4cm * 2cm / 2.36inch * 1.57inch * 0.79inch Qty per Carton 2000 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 40cm * 40cm / 23.62inch * 15.75inch * 15.75inch Loading Container 20GP: 277 cartons * 2000 pcs = 554000 pcs40HQ: 644 cartons * 2000 pcs = 1288000 pcs

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OverviewThis low power audio module is based on WM8960, supports stereo encoding/decoding, supports sound recording, whats more, it can directly drive speakers to play music.Features1. Integrates high-quality MEMS silicon Mic, supports sound recording2. Onboard standard 3.5mm 4-segment earphone jack, allows sound recording via external earphones with Mic3. Onboard dual-channel speaker interface, directly drives speakers4. Supports common audio sampling rates such as 8/11.025/22.05/44.1/48KHz, etc.5. Supports sound effects such as stereo, 3D surrounding, etc.6. Comes with development resources and manual (STM32 examples for playing, recording)Specifications1. CODEC: WM89602. Operating voltage: 3.3V3. Control interface: I2C4. Audio interface: I2S5. Audio format: WAV6. DAC signal-noise ratio: 98dB7. ADC signal-noise ratio: 94dB8. Earphone driver: 40mW (16Ω@3.3V)9. Speaker driver: 1W per channel (8Ω BTL)Specification: Package Weight One Package Weight 0.02kgs / 0.04lb One Package Size 7cm * 4cm * 2cm / 2.76inch * 1.57inch * 0.79inch Qty per Carton 1600 Carton Weight 15.00kgs / 33.07lb Carton Size 56cm * 40cm * 40cm / 22.05inch * 15.75inch * 15.75inch Loading Container 20GP: 297 cartons * 1600 pcs = 475200 pcs40HQ: 690 cartons * 1600 pcs = 1104000 pcs

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1. 800x480 hardware resolution, configurable by software (up to 1920x1080) 2. Supports popular mini PCs such as Raspberry Pi, BB Black, Banana Pi, as well as general desktop computers - When works with Raspberry Pi, supports Raspbian, Ubuntu, WIN10 IOT, single touch, and driver free - When work as a computer monitor, supports Windows 10/8.1/8/7, single touch, and driver free 3. Supports popular game consoles like Microsoft XBOX360, Sony PS4, and Nintendo Switch, etc. 4. Multi languages OSD menu, for power management, brightness/contrast adjustment, etc. 5. 3.5mm audio jack, speaker connector, supports HDMI audio output 6. Also supports VGA input (specific cable is required and should be purchased separately)Specification: Package Weight One Package Weight 0.35kgs / 0.77lb One Package Size 15cm * 11cm * 2cm / 5.91inch * 4.33inch * 0.79inch Qty per Carton 80 Carton Weight 27.80kgs / 61.29lb Carton Size 32cm * 32cm * 32cm / 12.6inch * 12.6inch * 12.6inch Loading Container 20GP: 813 cartons * 80 pcs = 65040 pcs40HQ: 1889 cartons * 80 pcs = 151120 pcs

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1. The input is a switch signal. When the input port is short-circuited to the ground (GND), an alarm message will be sent to the preset alarm phone, or call the set alarm number. The content of the alarm message can be set by yourself 2. It is simple and convenient to use, can be well embedded in other equipment, and act as a remote alarm working system 3. The alarm content of 1 alarm input and the alarm content when it is restored to normal can be defined by yourself 4. Built-in rechargeable lithium battery, usually in a charging state, when the main power is off, it will provide power and send an alarm message to the preset number 5. Power supply: DC 5V-15VSpecification: Package Weight One Package Weight 0.12kgs / 0.27lb One Package Size 13cm * 10cm * 3.1cm / 5.12inch * 3.94inch * 1.22inch Qty per Carton 60 Carton Weight 8.43kgs / 18.58lb Carton Size 41cm * 34cm * 22cm / 16.14inch * 13.39inch * 8.66inch Loading Container 20GP: 869 cartons * 60 pcs = 52140 pcs40HQ: 2018 cartons * 60 pcs = 121080 pcs

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1. 800x480 hardware resolution, configurable by software (up to 1920x1080) 2. Supports popular mini PCs such as Raspberry Pi, BB Black, Banana Pi, as well as general desktop computers - When works with Raspberry Pi, supports Raspbian, Ubuntu, WIN10 IOT, single touch, and driver free - When work as a computer monitor, supports Windows 10/8.1/8/7, single touch, and driver free 3. Supports popular game consoles like Microsoft XBOX360, Sony PS4, and Nintendo Switch, etc. 4. Multi languages OSD menu, for power management, brightness/contrast adjustment, etc. 5. 3.5mm audio jack, speaker connector, supports HDMI audio output 6. Also supports VGA input (specific cable is required and should be purchased separately)Specification: Package Weight One Package Weight 0.35kgs / 0.77lb One Package Size 15cm * 11cm * 2cm / 5.91inch * 4.33inch * 0.79inch Qty per Carton 80 Carton Weight 27.80kgs / 61.29lb Carton Size 32cm * 32cm * 32cm / 12.6inch * 12.6inch * 12.6inch Loading Container 20GP: 813 cartons * 80 pcs = 65040 pcs40HQ: 1889 cartons * 80 pcs = 151120 pcs

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1. Real-time monitoring, smart chip, precision fine-tuning, reverse connection protection2. Pluggable power connector, RW1 adjustable potentiometer3. Applicable to various instruments, mobile convenient equipment, medical equipment, electric vehicles, balance vehicles, unicycles, ternary lithium batteries, lead-acid batteries, iron-lithium battery packs, etc.4. Stable and reliable, fast recognition, sensitive response5. Reverse connection does not burn, safe and reliable6. The LCD display works, you can set the type of battery you need to measure7. Power display, voltage display, power display, temperature display8. Working current: less than or equal to 15mA9. Working air pressure: 80-106 kPa10. Ambient temperature: -10 to 70 degrees Celsius11. Measuring range: 8-100v12. Measurement speed: about 2 seconds/time13. Display mode: LCD screen14. Installation size: 58 x 28mm15. Dimensions: 61x33x14.5mm16. Weight: about 21gSpecification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 10cm * 5cm * 3cm / 3.94inch * 1.97inch * 1.18inch 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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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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