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**DESCRIPTION**
Grove - Water Sensor detects the presence of water using exposed PCB traces. The sensor is made up of interlaced traces of Ground and Sensor signals. The sensor traces are weakly pulled up using 1 MΩ resistor. The resistor will pull the sensor trace value high until a drop of water shorts the sensor trace to the ground trace. This circuit...
Circuit for a project with a single "momentary" capacitive touch sensor. No microcontroller is required here - just power with 1.8 to 5.5VDC and touch the pad to activate the sensor.
When a capacitive load is detected (e.g. a person touches the sensor-pad area) the red LED lights up and the output pin goes high.
Moisture Sensor is a simple breakout for measuring the moisture in soil and similar materials.
The soil moisture sensor is pretty straight forward to use.
The two large exposed pads function as probes for the sensor, together acting as a variable resistor.
The more water that is in the soil means the better the conductivity between the pads will be and will result in a lower resistance, and a h...
**Amplified piezo disc touch sensor**
This project started as the sensor for 3D-printer Z-axis minimum end-stop replacement.
The piezodisc is supposed to be mounted directly on X-carriage and sense the backpressure from the hotend up when it contacts the printbed surface. The disc produces ~300 mV sensing the contact. The differential amplifier has a gain of ~4x and its output triggers the sin...
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**DESCRIPTION**
How to choose a gas sensor ?
The Grove - Gas Sensor module is useful for gas leakage detecting(in home and industry). It can detect LPG, i-butane, methane, alcohol, Hydrogen, somke and so on. Measurements can be taken as soon as possible based on its fast response time. Also the sensitivity can be adjusted by the potentiometer.
There...
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**DESCRIPTION**
This Grove - Barometer (High-Accuracy) Sensor features a HP206C high-accuracy chip to detect barometric pressure ,Altimeter and temperature. It can widely measure pressure ranging from 300mbar~1200mbar, with a super high accuracy of 0.01mbar(0.1m) in ultra-high resolutio...
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**DESCRIPTION**
Grove - Temperature&Humidity Sensor (HDC1000) utilizes a HDC1000 sensor, which was designed by Texas Instruments. It is a digital humidity sensor with integrated temperature sensor that provides excellent measurement accuracy at very low power. The device measures humidi...
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**DESCRIPTION**
Grove - Temperature Sensor uses a thermistor to measure ambient temperature. The resistance of thermistor changes based on ambient temperature. This resistance value alters the output of a voltage divider which is measured by an analog input pin and converted to a temperature value. The operating range is -40 to 125°C , with an accuracy of 1...
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**DESCRIPTION**
How to choose a gas sensor ?
The Grove - HCHO Sensor is a semiconductor VOC gas sensor. Its design is based on WSP2110 whose conductivity changes with the concentration of VOC gas in air. Through the circuit, the conductivity can be converted to output signal that co...
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**DESCRIPTION**
The Grove - Flame Sensor can be used to detect fire source or other light sources of the wavelength in the range of 760nm - 1100 nm. It is based on the YG1006 sensor which is a high speed and high sensitive NPN silicon phototransistor. Due to its black epoxy, the sensor...
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**DESCRIPTION**
The video shows how to recognize different colors with the sensor and then to drive the lamp lighting in blue, green, yellow, orange and red accordingly.
This module is based on the color sensor TCS3414CS with digital output I2C. Based on the 8*2 array of filtered photodiodes and 16-bits analog-to-digital converters, you can gain the co...
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**DESCRIPTION**
Grove - Luminance Sensor using APDS-9002 as lumens Sensor, provide the linear transform lumen intensity for the output voltage levels. And APDS-9002 spectrum and human eye is extremely close to. Very suitable for application in the field of human intelligence.
**Spe...
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**DESCRIPTION**
The Sound sensor module is a simple microphone. Based on the power amplifier LM386 and the electret microphone, it can be used to detect the sound strength of the environment. The value of output can be adjusted by the potentiometer.
**Features**
Grove compatible interface
Wide supply voltage range: 4V-12V
Low quiescent current drain:...
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**DESCRIPTION**
This module is based on the I2C light-to-digital converter TSL2561 to transform light intensity to a digital signal. Different from traditional analog light sensor, as Grove - Light Sensor, this digital module features a selectable light spectrum range due to its dual light sensitive diodes: infrared and full spectrum.
You can switch betw...
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**DESCRIPTION**
The Grove - Loudness Sensor is designed to detect the loudness of environmental sound. Based on amplifier LM2904 and a built-in microphone, it amplifies and filters the high frequency signal that received from the microphone, and outputs a positive envelop. This will mak...
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**DESCRIPTION**
Grove - FM Receiver is a wideband FM receiver module,this module is base on SX6119,it can offers true single-chip voice FM receiver,which is built-in amplifier,VCO,filter and demodulator. The multifunction button provides greater convenience for users to control.
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