| "3.5mm Plug Air Duct Spiral In-Ear Earphone - Black + Transparent" |
| "- Aluminum alloy housing case- Can control volume, and smart switch for answering phone calls- High quality silicone earbud- 3.5mm stereo sound plug- Original Apple earphone cable- Widely used in mobile phone, notebook, game console, MP4, MP3 and laptops, etc.- No need converting cable, compatible w/ all 3.5mm jacket phones- Added smart switch mode, allowing you free from converting cable trouble; Compatible w/ one than 100 smartphones, including Samsung, IPHONE, HTC, Moto, Nokia, Lenovo, Huawei, ZTE, Xiaomi and Meizu, etc.- Anti-radiation earphone, plug and play, and can dial and answer phone calls; Produce sound via air spiral duct; Unique phone shape; Fine and elegant, healthy and fashionable; Great for self use or gift- Note: If there is failure of sound, slide the smart switch, problems can be solved.GeneralQuantity1 setMaterialPU + aluminum alloySpecificationCompatible BrandUniversalCompatible ModelUniversalOther FeaturesOther FeaturesCable length: 93+/-2cm; Stretched length: 222.3+/-2cm; Speaker: 10mm, 32ohm; SensitivityL 102dB, 1KHz; Rated power: 100mW.Packing List1 * Earphone 1 * Chinese / English user manual 2 * Earbud capsPackage Weight:0.023kg (0.051lb)Package Size:10cm x 10cm x 3cm (3.94in x 3.94in x 1.18in)"
Price: 6.16 |
| "Transparent Lock + 9-Lockpick Training Tool Set - Translucent Blue" |
| "Transparent Lock + 9-Lockpick Training Tool Set - Translucent Blue"
Price: 18.49 |
| "8ohm 1W 28mm Speaker with Outer Magnet / XH2.54 Cable - Black (2PCS)" |
| "Features:- Magnetic forms: outer magnetic- Rated impedance: 8ohm- Rated power: 1W- Dimension: 28mm * 5mm- Great for speaker and amplifier projects DIYGeneralModelN/AQuantity1 setForm ColorBlackMaterialAlloy + PlasticSpecificationEnglish Manual / SpecNoDownload Link N/AOther FeaturesCertificationN/APacking List2 * Speakers (Cable length: 10cm)Package Weight:0.017kg (0.037lb)Package Size:6cm x 6.5cm x 2.5cm (2.36in x 2.36in x 0.79in)"
Price: 4.49 |
| "High Accuracy DS3231 I2C RTC Module w/ AT24C02 EEPROM for Arduino" |
| "Based on DS3231, this is high-precision real-time clock module. DS3231 can not only do the timing, set two alarms and it can also measure temperature. Onboard AT24C02 EEPROM, you can record more alarms and events information. Onboard CR1220 battery holder, it is convenient to keep timing when main power to the device is interrupted.Features:- Compatibility: Compatible with Arduino UNO R3 / Arduino Mega2560- Working voltage: 3.0 ~ 5.5VDC- Working current: 3mA (Max)- Interface: standard I2C interface (400kHz)- Timing accuracy: ±2ppm @ 0~+40'C; ±3.5ppm @ -40~+85'C- Temperature measurement accuracy: ±3'C- Temperature resolution: 0.25'C- SQW is programmable square wave output pin- Arduino Library: DS3231- Great for Arduino DIY projectGeneralBrandOPEN-SMARTModelN/AQuantity1 pieceForm ColorBlue + BlackMaterialPCB + Alloy + PlasticSpecificationEnglish Manual / SpecYesDownload Link https://drive.google.com/folderview?id=0B6uNNXJ2z4CxVlh2SUNZNTRhVVU&usp=sharingPacking List1 * ModulePackage Weight:0.014kg (0.031lb)Package Size:5.5cm x 3.5cm x 3cm (1.97in x 1.18in x 1.18in)"
Price: 5.49 |
| "8ohm 2W 36mm Speaker w/ Outer Magnet / XH2.54 Cable - Black (2PCS)" |
| "Features:- Magnetic form: outer magnetic- Rated impedance: 8ohm- Rated Power: 2W- Dimension: 36mm * 5mm- Great for speaker and amplifier projects DIYGeneralModelN/AQuantity1 setForm ColorBlackMaterialAlloy + PlasticSpecificationEnglish Manual / SpecNoDownload Link N/AOther FeaturesCertificationN/APacking List2 * Speakers (Cable length: 10cm)Package Weight:0.019kg (0.042lb)Package Size:7cm x 6.5cm x 3cm (2.76in x 2.36in x 1.18in)"
Price: 4.49 |
| "2.5" Screen Mini Electronic Scale - Silver (0.01g / 200g)" |
| "Ultra-compact design. 200g capacity with 0.01g accuracy. Excellent quality. Stainless steel platform. White Back-light LCD display. Auto power off after 1 minute. Easy on-key calibration. Carrying black pouch. Low power prompting. Fits easily in a pocket or handbag for weighting on the go.GeneralModelN/AQuantity1 pieceMaterialABS + metalSpecificationTypeJewelry ScaleScreen Size2.5 inchesMax. Weight200gMin. Weight0.01gUnitg , ct , oz , dwt , gnDivision0.01gAuto Power OffYesPowered ByAAA BatteryBattery Number2Battery included or notNoPacking List1 * Digital Scale 1 * Carrying Pouch 1 * User Manual(English) Package Weight:0.15kg (0.331lb)Package Size:14cm x 9cm x 2.5cm (5.51in x 3.54in x 0.79in)"
Price: 12.49 |
| "Infrared Transmitter IR Receiver Module w/ 38K Carrier for Arduino" |
| "This is based on NE555 infrared transmitter module. 38KHz carrier circuit board produced by the NE555, no MCU's PWM pins to reduce the corresponding code, reducing the burden on the MCU. SIG module pin is high, the module will send an infrared signal of 38KHz, SIG pin is low, the module will stop sending infrared signals, the use of very simple, so ordinary single-chip infrared remote control can also be easily produced items .Features:- Compatibility: Arduino UNO R3 / Arduino Mega2560 and other microcontroller board- Operating voltage: 4.5 - 5.5VDC- Operating Current: 50mAh (max)- Emission angle: 45 degrees- SIG pin current: High level 0.4mA (max), low level 1.4mA (max)- You can manually adjust the direction of the launch tube according to the actual application requirements- Great for infrared remote control projects Infrared Receiver module:This is infrared receiver module based on integrated infrared receiver head. It can receive the modulated infrared signal of 38KHz that is sent by the IR transmitter module and demodulate it into logic level, ie, when it gets the modulated infrared signal, it outputs one negative pulse and returns to normalcy (High level). The infrared receiver module and transmitter module can complete the infrared remote control with the codec program.- Operating voltage: 3.0 - 5.5VDC- Operating Current: 2mAh (max)- Receiving angle: 90 degreesGeneralBrandOPEN-SMARTModel-Quantity1 setMaterialPCB + Alloy + PlasticSpecificationFrequency38KHzWorking Voltage 4.5 - 5.5VWorking Current50mAEnglish Manual / SpecYesDownload Link https://drive.google.com/folderview?id=0B6uNNXJ2z4CxSFFkVzUxRWVYS1k&usp=sharingPacking List1 * Infrared Emitter module 1 * Infrared Receiver modulePackage Weight:0.014kg (0.031lb)Package Size:7cm x 6cm x 3cm (2.76in x 2.36in x 1.18in)"
Price: 5.99 |
| "High Accuracy DS1307 I2C RTC Module with AT24C02 EEPROM for Arduino" |
| "Based on DS1307, this is high-precision real-time clock module. Onboard AT24C02 EEPROM, you can record more alarms and events information. Onboard CR1220 battery holder, it is convenient to keep timing when main power to the device is interrupted.Features:- Compatibility: Compatible with Arduino UNO R3 / Arduino Mega2560- Working voltage: 4.5 - 5.5V DC- Working Current: 3mAh (Max)- Interface: standard I2C interface- Timing accuracy: ± 10ppm- SQW is programmable square wave output pin- Arduino Library: RTC- Great for Arduino DIY projectGeneralBrandOPEN-SMARTModel-Quantity1 pieceForm ColorRed + BlackMaterialPCB + Alloy + PlasticSpecificationEnglish Manual / SpecYesDownload Link https://drive.google.com/folderview?id=0B6uNNXJ2z4CxZmI1aVZpR1Q2eGs&usp=sharingPacking List1 * ModulePackage Weight:0.014kg (0.031lb)Package Size:5.5cm x 3.2cm x 2.5cm (1.97in x 1.18in x 0.79in)"
Price: 3.62 |
| "Nano to UNO Shield Adapter Board w/ Regulator / Fuse for Arduino Nano" |
| "This is Arduino Nano to UNO Shield Adapter Board. Red board and the colorful female pin headers make your project more impressive. It is very popular Arduino project production.Features:- Dedicated to the Arduino Nano board and other compatible board- More convenient to connect the peripheral module to Nano board- Compatible with the pin definitions Arduino UNO R3- Use multi-color female header so that the interface is easy to identify and particularly noticeable.- Onboard 500mAh resettable fuse to protect power supply from the USB port and the DC jack at the same time.- Leads out more GND, 5V pins, UART serial interface and I2C interface, so it is more convenient to connect it to peripheral modules without additional IO expansion shield.- Onboard 5V and 3.3V voltage regulator circuit.- Onboard DC jack socket and it can be powered by an external battery so it allows you to show your projects in the outdoor without the PC.- Working voltage: 5V- Working current: 500mAh (Max)- External input voltage: 7-12V DCGeneralBrandOPEN-SMARTModelN/AQuantity1 pieceForm ColorRed + BlackMaterialPCB + Alloy + PlasticSpecificationEnglish Manual / SpecYesDownload Link https://drive.google.com/folderview?id=0B6uNNXJ2z4Cxbmp3WVd3UnpvdnM&usp=sharingPacking List1 * BoardPackage Weight:0.04kg (0.088lb)Package Size:11cm x 7cm x 3cm (4.33in x 2.76in x 1.18in)"
Price: 6.99 |
| "Mini Transparent Lock + 9-Lockpick Training Tool Set - Green + Black" |
| "Mini Transparent Lock + 9-Lockpick Training Tool Set - Green + Black"
Price: 9.49 |
| "4Pin IR Infrared Obstacle Avoidance Sensor Module" |
| "Object is sensed output 0, output 1 is not sensitive to the time, directly with 3V and 5V microcontroller IO port connected.Sensing distance 2-40 cm, distance, good anti-jamming capability. (Note: The infrared sensor can not detect all objects get the same distance, objects of different colors of light reflectance of different objects closer darker black shorter distance detected, the sensor 2-40 cm is measured against the white wall of)Speed, suitable for smart car obstacle avoidance, black and white line tracking, anti-drop, product counters, cutting lines, liquid level detection.This sensor is made with black and white lines tracing the car ran without black line on white paper, available in concrete The yellow complex environment such as the black line patrol track. As long as the black line around the slightly lighter color than black can, eliminating the traditional moves, so that environmental layout easier.The sensor 3 to 6V supply, wide range, suitable for 3V and 5V MCU system.With Enable, EN terminal is equal to ""1"" when the sensor does not work, equal to ""0"" when working. Jump on the sensor end cap long after the EN grounding plug (EN long as ""0""). To use the EN pin when the jumper cap is removed.Frequency adjustment potentiometer is used to adjust the carrier frequency of the infrared emission tube, because the integration receiver 38KHZ in particular when the carrier frequency is the most sensitive. The 502 resistor clockwise transferred do (that is, the launch tube at maximum brightness), and then at a white wall tone 103 resistance, has been transferred to the sensing distance is the farthest so far so that the sensor will work in the best stateWorking voltage: DC 3.3V-5VWorking current: 20mAhWorking temperature: -10'C~+50'CDetection distance: 2~40cmIO interface: 4 line (-/+/S/EN)Output signal: TTL LevelAdjusting mode: Multi resistance regulationEffective angle: 35°Size: 4.5 * 1.1cm(approx)Here we use the obstacle avoidance module and digital 13 interface with LED to build a simple circuit, making the obstacle avoidance warning light, accessing the avoidance sensor to digital 3 interface, when the obstacle avoidance sensor senses the signal, LED light, otherwise off.Program code: int Led=13;//define LED interface int buttonpin=3; //define obstacle avoidance interface int val;//define Digital variable val void setup() { pinMode(Led, OUTPUT);//define LED is output interface pinMode(button pin, INPUT);//define obstacle avoidance is output interface } void loop() { val=digitalRead(buttonpin);//reading the value from 3 digital interface to val if(val==HIGH)//when the obstacle avoidance sensor senses the signal, LED flash { digitalWrite(Led,HIGH); } else { digitalWrite(Led,LOW); } } GeneralModel-Quantity1 pieceForm ColorBlack + MulticolorMaterialFR4SpecificationApplicationFor Arduino DIY Smart Car RobotWorking Voltage 3~6VPacking List1 * IR Infrared Obstacle Avoidance Sensor ModulePackage Weight:0.01kg (0.022lb)Package Size:6cm x 5cm x 2cm (2.36in x 1.97in x 0.79in)"
Price: 4.28 |
| "Mini Transparent Practice Padlock Lock Pick Locksmith Tools + Keys" |
| "Mini Transparent Practice Padlock Lock Pick Locksmith Tools + Keys"
Price: 7.59 |
| "Multifunctional GPIO Expansion Shield Adapter Board for Raspberry Pi 3" |
| "It is designed to be customized GPIO multifunction expansion board for the Raspberry Pi. It is easy for the users to connect enrich peripheral modules to Raspberry Pi board such as 4-Digit Display module, Serial Bluetooth module, Serial MP3 module.etc.Features:- Compatibility: compatible with Raspberry Pi 2 model B and Raspberry Pi 3 model B- Lead out all the pins and the pin pitch is 2.54mm- Screwless terminals lead out 24 pins, wiring is very convenient.GeneralBrandOPEN-SMARTModelN/AQuantity1 pieceMaterialPCB+Alloy+PlasticSpecificationEnglish Manual / SpecYesDownload Link https://drive.google.com/folderview?id=0B6uNNXJ2z4CxbkZ6dEVvRkNncFE&usp=sharingPacking List1 * ModulePackage Weight:0.025kg (0.055lb)Package Size:8cm x 7.5cm x 4cm (3.15in x 2.76in x 1.57in)"
Price: 5.49 |
| "DC Jack 7~12V to DC 5V / 3.3V Step-down Converter Power Supply Module" |
| "This is a mini LDO step-down power module based on AMS1117-5.0 and AMS1117-3.3, and it output fixed 5V / 3.3V. It is small size, light weight, especially for model airplanes, smart car, Arduino DIY and other items, PCB experiment board project design, breadboard project design.Features:- Module type: LDO step-down module;- Onboard 500mA resettable fuse to protect power supply from the USB port and the DC jack at the same time.- Onboard 5V and 3.3V voltage regulator circuit- Onboard DC jack socket and it can be powered by an external battery so it allows you to show your projects in the outdoor without the PC.- Pins package: 2.54mm pin headers are available;- Input voltage: 7-12VDC- Output voltage: 5VDC ± 2%, 3.3VDC ± 2% (dual channel output)- No-load current: small, 0.1mA- Output current: 500mAh- Continuous Current: 400mAh (when the input voltage is 7V)- Conversion efficiency: up to 80%GeneralBrandOPEN-SMARTModel-Quantity1 pieceMaterialPCB + Alloy + PlasticSpecificationInput VoltageDC 7-12VOutput VoltageDC 5V / 3.3VMax. Output Current500mAMax. Output Power2.5WConversion Efficiency80%English Manual / SpecYesDownload Link https://drive.google.com/folderview?id=0B6uNNXJ2z4Cxa0VBU3h1bzNZaUk&usp=sharingPacking List1 * ModulePackage Weight:0.024kg (0.053lb)Package Size:5cm x 3cm x 2.5cm (1.97in x 1.18in x 0.79in)"
Price: 4.99 |
| "5V Passive Buzzer Piezo Speaker Play Song Melody Module for Arduino" |
| "This is 5V passive buzzer module, and it is a piezoelectric speaker. The user can set the PWM output frequency and duration to produce different tones, beats according to the song numbered musical notation. Users can DIY birthday card, etc.Features:- Compatibility: Compatible with Arduino UNO R3, Arduino Mega2560, STM32- Operating voltage: 3.3 - 5.2VDC- Operating Current: 25mA (max)GeneralModelN/AQuantity1 pieceMaterialPCB + alloy + plasticSpecificationEnglish Manual / SpecYesDownload Link https://drive.google.com/folderview?id=0B6uNNXJ2z4Cxa3dwb1ZEMUZEMkU&usp=sharingPacking List1 * ModulePackage Weight:0.011kg (0.024lb)Package Size:5.5cm x 3.5cm x 2.5cm (1.97in x 1.18in x 0.79in)"
Price: 3.99 |
| "16 Bit I2C ADS1115 Module ADC 4 Channels w/ Pro Gain Amplifier - Blue" |
| "Features:ADC Bit rate: 16 BitInterface Type: I2CChannels: 4 Channels AN0 AN1 AN2 AN3 or 2 differential inputsInput voltage: 2.0~5.5VChannel input voltage :0-VDDContinuous Mode: Only 150uASingle-Shot Mode: Auto Shut-DownPROGRAMMABLE DATA RATE:8sps-860spsInput range programmed control, 7 types input ranges: -0.256V ~ + 0.256V, -0.512V ~ + 0.512V, -1.024V ~ + 1.024V,-2.048V ~ + 2.048V, -4.096V ~ + 4.096 V, -6.144V ~ + 6.144VI2C 7-bit addresses between 0x48-0x4BSize:18mm*28mmApplicationsPortable instrumentationConsumer goodsBattery monitoringTemperature measurementFactory automation and process controlsGeneralModelN/AQuantity1 pieceForm ColorBlueMaterialFR4SpecificationDownload Link N/AOther FeaturesOther FeaturesA product for Arduino that works with official Arduino boards.Packing List1 * CJMCU-ADS1115 16Bit ADC Development Board Module 1 * Pin headerPackage Weight:0.01kg (0.022lb)Package Size:6cm x 5cm x 1cm (2.36in x 1.97in x 0.39in)"
Price: 7.49 |
| "5V Type A Male USB to DC Jack 5.5mm 9V Cable w/ Boost Converter Module" |
| "It is USB to DC jack cable which contains DC-DC step-up power module and it outputs fixed 9V. It is particularly suitable for wireless router, Arduino DIY, breadboard power supply and other projects.Features:- Input Interface: Type A male USB- Input voltage: 4.5-5.5VDC- Output Interface: DC Jack 5.5 * 2.1mm- Output voltage: 9VDC ± 2%- No-load current: low, 1mA- Continuous current: 1A (MAX)- Conversion efficiency: 92% (MAX)- Cable length: 1mGeneralBrandOPEN-SMARTModelN/AQuantity1 pieceMaterialAlloy + plasticSpecificationInput VoltageDC 4.5-5.5VOutput Voltage9VDC±2%VMax. Output Current1AConversion Efficiency92%English Manual / SpecNoDownload Link N/APacking List1 * cable (length is 1m)Package Weight:0.039kg (0.086lb)Package Size:11cm x 4cm x 3.5cm (4.33in x 1.57in x 1.18in)"
Price: 5.15 |
| "5V Type A Male USB to DC Jack 5.5mm Cable w/ Boost Converter Module" |
| "It is USB to DC jack cable which contains DC-DC step-up power module and it outputs fixed 12V. It is particularly suitable for wireless router, Arduino DIY, 12V DC fan, breadboard power supply and other projects.Features:- Input Interface: Type A male USB- Input voltage: 4.5-5.5VDC- Output Interface: DC Jack 5.5 * 2.1mm- Output voltage: 12VDC ± 2%- No-load current: low, 1mA- Continuous current: 800mA (MAX)- Conversion efficiency: 92% (MAX)- Cable length: 1mGeneralBrandOPEN-SMARTModelN/AQuantity1 pieceMaterialAlloy + plasticSpecificationInput VoltageDC 4.5~5.5VOutput Voltage12VDC±2VMax. Output Current800mAConversion Efficiency92%English Manual / SpecNoDownload Link N/AOther FeaturesOther FeaturesA product for Arduino that works with official Arduino boards.Packing List1 * Cable (length is 1m)Package Weight:0.035kg (0.077lb)Package Size:11cm x 4.5cm x 3.5cm (4.33in x 1.57in x 1.18in)"
Price: 3.11 |
| "TDA7492P 25W+25W CSR8635 Wireless Bluetooth 4.0 Audio Receiver" |
| "Specification:Chip: TDA7492PPower: 2.1 interface 8-25V DC power supplyAudio input: CSR8635 Bluetooth chip, Bluetooth V4.0(stereo input various versions of the Bluetooth connection)Output Impedance: 8Ω(Best), 4/6/8/16Ω impedance can drive speakersOutput Power: Add pre-5532 output foot (powered 25V, 6Ω impedance output 25W+25W, 8ohm impedance output 2x40W dual-channel)Feature:The sound quality is very good, big power.DIP switches can be adjusted directly after the amp gain more respect and better promote greater damping horn.GeneralModelN/AQuantity1 pieceForm ColorRed + MulticoloredMaterialFR4SpecificationChipsetTDA7492P + CSR8635Download Link N/APacking List1 * Amplifier boardPackage Weight:0.049kg (0.108lb)Package Size:12cm x 8cm x 3cm (4.72in x 3.15in x 1.18in)"
Price: 18.17 |
| "DIY Sound Control Switch Electronic Components Production Kit" |
| "DIY Sound Control Switch Electronic Components Production Kit"
Price: 4.65 |
| "Hengjiaan DIY Mini Amplifier Speaker Kit - Transparent + Yellow" |
| "Hengjiaan DIY Mini Amplifier Speaker Kit - Transparent + Yellow"
Price: 26.66 |
| "AM2320 Digital Temperature Humidity Sensor Module for Arduino - Red" |
| "Based on AM2320, it is a digital temperature and humidity sensor module with I2C interface. Sensor consists of a capacitive moisture element and an integrated high-precision temperature measurement devices, and connected with a high-performance microprocessor.The product has excellent quality, super fast response, strong anti-interference ability, very high property price rate.It is widely used in greenhouse monitoring, warehouse temperature and humidity monitoring, etc.Features:Features:- Compatibility: Compatible with Arduino UNO R3, Arduino Mega2560- Operating voltage: 3.1 - 5.5VDC- Operating Current: 8mA (Max)- Communication interface: standard I2C- Relative humidity scale: 0 ~ 99.9% RH- Relative humidity accuracy: ± 3% RH- Temperature scale: -40 â ~ 80 â- Temperature accuracy: ± 0.5 â- Response time: < 5s- Data reading interval: 2s (minimum)- Great for DIYGeneralBrandOPEN-SMARTModelN/AQuantity1 pieceForm ColorRed + BlackMaterialPCB+Alloy+PlasticSpecificationApplicationIt is widely used in greenhouse monitoring, warehouse temperature and humidity monitoring, etc.Working Voltage 3.1 - 5.5VEnglish Manual / SpecYesDownload Link https://drive.google.com/folderview?id=0B6uNNXJ2z4CxMlhnNFlNRTVsOXc&usp=sharingPacking List1 * ModulePackage Weight:0.012kg (0.026lb)Package Size:5.5cm x 3.5cm x 3cm (1.97in x 1.18in x 1.18in)"
Price: 5.99 |
| "5V G1/4 0-1.2 MPa Hydraulic Pressure Sensor for Water / Oil / Gas" |
| "It can measure the pressure of non-corrosiveness liquid and output linear analog voltage. Features:- Working Voltage VCC: 5.0 V DC- Output Voltage: 0.5-4.5V DC, Vout = VCC*(0.75*Pressure + 0.1)- Working Current:"
Price: 20.17 |
| "G1/2 Plastic Water Flow Sensor Turbine Hall Flowmeter for Arduino" |
| "It is turbine type water flow measuring sensor. When water flows through it, it will output a number of pulses. By counting the pulses from the output of the sensor, you can easily calculate water flow. Each pulse is approximately 3.33 milliliters.We have as example Arduino sketch that can be used to quickly test the sensor, it will calculate the approximate flow of water in liters/hour.The pulse signal is a simple square wave so its quite easy to log and convert into liters per minute using the following formula.Pulse frequency (Hz) = 5 * flow rate in L/min. Features:- Measurement flow range: 1~30 L/min- Working voltage: 4.7~15 VDC- Working current: ≤ 10 mA (DC 5V)- Working humidity: 35%~90%RH (no frost)- Working pressure: < 1.75Mpa- Working temperature: -25~+80â- External thread: G1/2 (1/2"")- Output connector: XH2.54MM-3P- Output leads: yellow (DATA), red (VCC), black (GND)- Lead length: 15cm- Application: water heaters, credit card machines, water vending machine, water flow measurement deviceGeneralModelN/AQuantity1 pieceForm ColorWhite + TranslucentMaterialAlloy + PlasticSpecificationApplicationApplication: water heaters, credit card machines, water vending machine, water flow measurement deviceWorking Voltage 4.7~15VEnglish Manual / SpecYesDownload Link https://drive.google.com/folderview?id=0B6uNNXJ2z4CxOGpna09ENDg0Qms&usp=sharingPacking List1 * Sensor (Lead length 15cm)Package Weight:0.035kg (0.077lb)Package Size:9cm x 5cm x 4cm (3.54in x 1.97in x 1.57in)"
Price: 7.99 |
| "G1/2 Water Flow Sensor Hall Flowmeter Temperature Sensor for Arduino" |
| "It is water flow measuring sensor with a NTC thermistor sensor. When water flows through it, it will output a number of pulses. It can also measure the temperature so it can be used to monitor the temperature of water from the water heater.By counting the pulses from the output of the sensor, you can easily calculate water flow. Each pulse is approximately 2.25 milliliters.We have as example Arduino sketch that can be used to quickly test the sensor, it will calculate the approximate flow of water in liters/hour.The pulse signal is a simple square wave so its quite easy to log and convert into liters per minute using the following formula.Pulse frequency (Hz) = 7.5 * flow rate in L/min. Features:- Measurement flow range: 1~30 L/min- NTC thermistor parameter: R25 = 50Kohm, B = 3950K- Working voltage: 3.5~12 VDC- Working current: ≤10 mA (DC 5V)- Working humidity: 35%~90%RH (no frost)- Working pressure: < 1.75Mpa- Working temperature: -25~+80â- External threads: G1/2 (1/2"")- Output connector: XH2.54MM-4P- Output leads: yellow (DATA), red (VCC), black (GND), green(Temperature)- Lead length: 24cm- Application: water heaters, water vending machine, water flow measurement deviceGeneralModelN/AQuantity1 pieceForm ColorBlack + WhiteMaterialAlloy + PlasticSpecificationApplicationApplication: water heaters, water vending machine, water flow measurement deviceWorking Voltage 3.5~12VEnglish Manual / SpecYesDownload Link https://drive.google.com/folderview?id=0B6uNNXJ2z4CxSVEtamdGTkYtUGc&usp=sharingPacking List1 * Sensor(Lead length 24cm)Package Weight:0.07099999999999999kg (0.157lb)Package Size:9cm x 6cm x 5cm (3.54in x 2.36in x 1.97in)"
Price: 8.99 |
| "24pcs Single Hook Lock Pick Set Locksmith Tools Kit" |
| "24pcs Single Hook Lock Pick Set Locksmith Tools Kit"
Price: 18.49 |
| "UART Serial MP3 Music Player Module w/ 3W Amplifier for Arduino - Red" |
| "The module is a kind of simple MP3 player device which is based on a high-quality MP3 audio chip. It can support 8KHz~48KHz sampling frequency MP3 and WAV file formats. There is a TF card socket on board, so you can plug the micro SD card that stores audio files. MCU can control the MP3 playback state by sending commands to the module via UART port, such as switch songs, change the volume and play mode and so on. You can also debug the module via USB to UART module. It is compatible with Arduino/AVR/ARM/PIC.Features:- Support sampling frequency (kHz): 8 / 11.025 / 12 / 16 / 22.05 / 24 / 32 / 44.1 / 48- Support file format: MP3 / WAV- Support Micro SD card, Micro SDHC Card- Onboard 3-watt mono amplifier- On-board speaker interface XH2.54-2P, can connect to external speakers such as 8 ohm 3-watt, 8 ohm 2 watt, 8 ohm 1 watt- 30 class adjustable volume- UART TTL serial control playback mode, baud rate is 9600bps- Serial communication format: 8N1- Working voltage: 3.7 - 5.25VDC- On-board headphone jack, it can connect headphones or external amplifier- On-board TF card connector- It is great for DIY GeneralBrandOPEN-SMARTModelN/AQuantity1 pieceForm ColorRed + BlackMaterialPCB + Alloy + PlasticSpecificationEnglish Manual / SpecYesDownload Link https://drive.google.com/folderview?id=0B6uNNXJ2z4CxaFVzZEZZVTR5Snc&usp=sharingPacking List1 * ModulePackage Weight:0.013kg (0.029lb)Package Size:6.2cm x 3.5cm x 3cm (2.36in x 1.18in x 1.18in)"
Price: 6.99 |
| "Single Joint Gear Potentiometer Sensor Module for Arduino - Blue" |
| "This is a single-gear potentiometer breakout board module, and the potentiometer resistance is 50k. It can be used to adjust the volume, motor speed, the brightness of the lamp. SIG pin of the module outputs an analog value so MCU can do the appropriate operation by reading it.Features:- Working voltage: 3~12V DC- Working Current: 0.24mA- Great for Arduino DIY projectsGeneralBrandOPEN-SMARTModelN/AQuantity1 pieceForm ColorBlue + BlackMaterialPCB + Alloy + PlasticSpecificationApplicationIt can be used to adjust the volume, motor speed, the brightness of the lampWorking Voltage 3~12VEnglish Manual / SpecYesDownload Link https://drive.google.com/folderview?id=0B6uNNXJ2z4CxZi1Gd0lNUXRSZEk&usp=sharingPackage Weight:0.005kg (0.011lb)Package Size:5cm x 3cm x 2.5cm (1.97in x 1.18in x 0.79in)"
Price: 2.49 |
| "8x LED Bar Marquee LED Display Module w/ 4 Kinds of Color for Arduino" |
| "This is marquee LED display module which has 8 LEDs on-board, and low level can light the corresponding LED. Especially suitable for MCU IO test and experiments, multi-channel wireless control indicators.Product Features:- Operating voltage: 3 - 5.5VDC- Operating Current: 24mA (max)- Active level: low level- Number of LED: 8- Display color: yellow-green (D0 / D1), blue (D2 / D3), yellow (D4 / D5), red (D6 / D7)- Great for microcontroller experiments, DIYGeneralBrandOPEN-SMARTModelN/AQuantity1 pieceMaterialPCB+Alloy+PlasticSpecificationEnglish Manual / SpecYesDownload Link https://drive.google.com/folderview?id=0B6uNNXJ2z4CxUEJHcF82Uk9jeE0&usp=sharingPacking List1 * ModulePackage Weight:0.01kg (0.022lb)Package Size:5.5cm x 3cm x 2.5cm (1.97in x 1.18in x 0.79in)"
Price: 3.99 |
| "BMP280 I2C / SPI Digital Barometric Pressure Sensor Module for Arduino" |
| "The BMP280 sensor is an environmental sensor with temperature, barometric pressure that is the next generation upgrade to the BMP085/BMP180/BMP183. This sensor is great for all sorts of weather sensing and can even be used in both I2C and SPI.Features:- Pressure range: 300 ~ 1100hPa (altitude 9000 m ~ -500 m);- Working voltage: 1.71 - 3.6VDC;- Low power consumption: 4μA;- High precision: at low-power mode, the resolution is 0.06hPa (0.5 meters);- Temperature output;- Communication interface: I2C or SPI;typical application:- GPS precise navigation (dead reckoning, the upper and lower bridge detection, etc.);- indoor and outdoor navigation;- The weather forecast;- The vertical velocity indication (rise / sink speed);Note: You need to add 5V to 3.3V level converter circuit between Arduino UNO R3 and the module.GeneralModelN/AQuantity1 pieceForm ColorBlueMaterialPCB+Alloy+PlasticSpecificationApplicationTypical application: - GPS precise navigation (dead reckoning, the upper and lower bridge detection, etc.); - indoor and outdoor navigation; - The weather forecast; - The vertical velocity indication (rise / sink speed);Working Voltage 1.71-3.6VEnglish Manual / SpecYesDownload Link https://drive.google.com/folderview?id=0B6uNNXJ2z4CxVGZValJpei1hdmM&usp=sharingPacking List1 * SensorPackage Weight:0.003kg (0.007lb)Package Size:5cm x 2.5cm x 2cm (1.97in x 0.79in x 0.79in)"
Price: 4.49 |
| "LCD Panel Solar Charge Controller Battery Switch Overload Protector" |
| ".sku-text{font-size:13px;width:898px;margin:5px 0;font-family:'Verdana';}This solar charge controller adopts the advanced digital techniques and operates fully automatically.The PWM battery charging mode can greatly increase the lifetime of your battery and has various unique functions and quite easy to use features.LCD screen display all parameters.With output switch, intelligent control, easy to operate.Fully automatic operation. Microcontroller digital accuracy.A key to open and close the load.PWM charging mode(SOC).With separated temperature detected circuit, high precision temperature compensation function.DC 12V and USB 5V charging for DC lamp and phone.1. Solar Panel2. Controller3. Loads4. BatteryGeneralModelN/AQuantity1 pieceMaterialABSSpecificationScreen Size3.5 inchPowered BySolar PowerdBattery included or notNoOther FeaturesOther FeaturesOverload protection; Short-circuit protection; Lighting protection; Under-voltage protection; Over-charging protection; Reverse polarity protection.Packing List1 * Solar Charge Controller 2 * DC Cable(15cm) 1 * User Manual(English)Package Weight:0.269kg (0.593lb)Package Size:14.5cm x 12cm x 3.8cm (5.51in x 4.72in x 1.18in)"
Price: 32.49 |
