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SEN0229 Water Turbine Generator (5VDC)
CA$18.68
This is a water turbine generator, 5V DC output, which can be directly used as Arduino power supply. Eco-friendly energy, you can make it work together with our lithium battery charger, working as a backup energy. This water turbine generator can be used in various hydro power generator application, such as smart faucets, sensing faucets, shower room lighting systems etc. The module comes with regulated power output, which provides standard 5V DC output. The maximum output current is up to 150Ma which is enough for most light application.
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SEN0228 Gravity: I2C VEML7700 Ambient Light Sensor (0~120Klx)
CA$26.37
VEML7700 is a high accuracy ambient light digital 16-bit resolution sensor. It includes a high sensitive photo diode, a low noise amplifier, a 16-bit A/D converter and supports an easy to use Gravity I2C interface. It outputs a digital signal directly and no need for complicated calculations. This is a more accurate and easier to use version of the simple photo resistor which only outputs a voltage that needs to be calculated in order to obtain meaningful data. The data which is output by this sensor is directly output in Lux (Lx). When objects which are lighted in homogeneous get the 1 lx luminous flux in one square meter, their light intensity is 1lx. Sometimes to take good advantage of the illuminant, you can add a reflector to the illuminant. So that there will be more luminous flux in some directions and it can increase the illumination of the target surface.
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SEN0227 SHT20 I2C Temperature & Humidity Sensor (Waterproof Probe)
CA$39.95
This SHT20 I2C temperature & humidity sensor is equipped with waterproof probe. It comes with the 4C CMOSens® SHT20 temperature & humidity sensor chip and the probe has gone through dual waterproof protection test. The SHT20 I2C temperature & humidity sensor adopt Sensirion techniques. Except the humidity sensor of capacitive type and the temperature sensor of band gap , SHT20 contains an amplifier, A/D converter, OTP memory and a digital processing unit. Compared with early SHT1x series and SHT7x series, SHT20 shows a strong reliability and long-term stability. It can measure surrounding environment temperature and relative air humidity precisely.
Delivery within 2-3 weeks
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SEN0224 Gravity: I2C Triple Axis Accelerometer - LIS2DH
CA$9.62
DFRobot presents the ultra low-power Arduino triple axis accelerometer! This device is based around a MEMS LIS2DH chip solution and has high-performance ultra-low power mode. The module is fitted with a Gravity I2C interface for easy plug and play integration in to your projects. The build in LDO power management chip gives you a wide range of input voltages, from 3.3 – 5V. The on-board I2C level conversion also makes it compatible with 3.3 and 5V devices.
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SEN0223 Gravity: Conductivity Sensor Switch - DFRobot
CA$6.85
The Gravity Conductivity Sensor Switch module can be used to detect if an object has electrical conductivity. Its maximum detection value is 10MΩ. It can detect not only coins, wires, metal and other good conductors, but also the human body, fruit, plants and other conductors. By touching the positive and negative terminals of the conductive switch, you can change the output state of the module. Use this to make interactive applications such as fruit pianos, musical wind chimes or interactive video game controllers so Super Mario using a bunch of bananas.
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SEN0217 Gravity: Water Flow Sensor (1/2") For Arduino
CA$19.23
The Gravity Water Flow sensor measures the rate of a liquid flowing through it. The YF-S201 water flow sensor consists of a plastic valve body, flow rotor and hall effect sensor. It is usually used at the inlet end to detect the amount of flow. When liquid flows through the sensor, a magnetic rotor will rotate and the rate of rotation will vary with the rate of flow. The hall effect sensor will then output a pulse width signal. Connect it to a microcontroller and you can monitor multiple devices such as your coffee maker, sprinkler or anything else, and control the water flow rate to suit your needs! The Gravity interface make it be compatible with Arduino IO Expansion Shield (DFR0265).
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SEN0216 Gravity: Digital Water Flow Sensor For Arduino - 1/8"
CA$19.23
The Water Flow sensor measures the rate of a liquid flowing through it. The YF-S401 water flow sensor consists of a plastic valve body, flow rotor and hall effect sensor. It is usually used at the inlet end to detect the amount of flow. When liquid flows through the sensor, a magnetic rotor will rotate and the rate of rotation will vary with the rate of flow. The hall effect sensor will then output a pulse width signal. Connect it to a microcontroller and you can monitor multiple devices such as your coffee maker, sprinkler or anything else, and control the water flow rate to suit your needs!
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SEN0213 Gravity: Heart Rate Monitor Sensor (ECG)
CA$38.27
The DFRobot Heart Rate Monitor Sensor is used to measure the electrical activity of the heart. This electrical activity can be charted as an ECG and output as an analog reading. An ECG signal can be extremely noisy so we have included an AD8232 chip which will generate a clear signal from the PR and QT Intervals. Using the Arduino IDE "Serial Plotter" feature,  you are also able to view plotted ECG output on  PC!
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SEN0212 TCS34725 RGB Color Sensor For Arduino
CA$16.21
After tens of millions of years of evolution, chameleons have formed a biological instinct where they can change the color of their skin to match their environment. This technique has enabled them to avoid detection from predators. We have taken inspiration from nature to develop the TCS34725 I2C Color Sensor. Using optical techniques, this sensor detects colors in its surrounding environment and provides a digital return of red, green, blue (RGB) values. This enables you to then recreate the detected colors using these values. The TCS34725 has a high sensitivity, wide dynamic range, and includes an IR blocking filter making it an ideal color sensing solution for use under varied lighting conditions. The sensor also includes four ultra-bright LEDs to allow the sensor to work without external light resources.
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SEN0209 Gravity: Flexible Piezo Film Vibration Sensor
CA$11.54
This is an Arduino compatible piezo film vibration sensor. It is made up of flexible piezo film and converter board. The sensor is able to detect vibration, flexibility, impact and touch. The film is a flexible component comprising a 28 µm thick piezoelectric PVDF polymer film with screen-printed Ag-ink electrodes, laminated to a 0.125 mm polyester substrate, and fitted with two crimped contacts. As the piezo film is displaced from the mechanical neutral axis and bending creates very high strain within the piezo polymer, high voltages (about ±90V) are generated. When the assembly is deflected by direct contact, the device acts as a flexible "switch", and the generated output is sufficient to trigger MOSFET or CMOS stages directly.
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SEN0208 Weatherproof Ultrasonic Sensor with Separate Probe
CA$27.20
Most ultrasonic distance sensors aren't waterproof which can be a problem if you need your project to withstand the elements outdoors. No need to worry any more! We have developed waterproof ultrasonic distance sensors with a waterproof sealed emitter. This sensor is suitable for outdoor applications such as car reversing sensors, security alarms, industrial inspection, etc. What will you make?
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SEN0204 Gravity: Non-contact Digital Water / Liquid Level Sensor For Arduino
CA$22.80
This is a non-contact water / liquid level sensor for Arduino. It utilizes advanced signal processing technology by using a powerful chip (XKC-Y25-T12V) with high-speed operation capacity to achieve non-contact liquid level detection. No contact with liquid makes the module suitable for hazardous applications such as detecting toxic substances, strong acid, strong alkali and all kinds of liquid in an airtight container under high pressure. There are no special requirements for the liquid or container and the sensor is easy to use and easy to install.
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SEN0203 Gravity: Heart Rate Monitor Sensor for Arduino
CA$30.77
The DFRobot heart rate sensor is a thumb-sized heart rate monitor designed for Arduino microcontrollers. This sensor is a pulse sensor which is developed based on PPG (PhotoPlethysmoGraphy) techniques. This is a simple and low-cost optical technique that can be used to detect blood volume changing in the microvascular bed of tissues. It is relatively easy to detect the pulsatile component of the cardiac cycle according to this theory. The sensor has two holes that you can use to attach to your belt. You can wrap on your finger, wrist, earlobe or other areas where it has contact with skin. To ease the difficult of using this sensor, a Gravity Interface is adapted to allow plug&play. The IO sensor shield (DFR0265) is the best match for this sound senor connecting to your Arduino or other microcontroller. As this sensor can work at 3.3V which make it compatible with Raspberry Pi, intel edison, joule and curie.
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SEN0189 Gravity: Analog Turbidity Sensor For Arduino
CA$18.96
This sensor detects water quality by measuring level of turbidity. It is able to detect suspended particles in water by measuring the light transmittance and scattering rate which changes with the amount of total suspended solids (TSS) in water. As the TTS increases, the liquid turbidity level increases.
Delivery within 2-3 weeks
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SEN0188 Fingerprint Sensor
CA$68.68
This is an Arduino compatible fingerprint module. With the high speed DSP processor, it could also work with other serial device, like MSP430, 51, AVR, PIC, STM32, ARM and FPGA device. This fingerprint module could work alone without any principal computer or any PC software. It could store 1000 fingerprint. Support fingerprint entry, intelligent image processing, fingerprint comparison and fingerprint search mode. It also has a high sensitivity to both wet and dry fingerprint recognition.
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