Sensors

Devices able to interface Arduino with the environment.
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Product Image Quantity Item Name+ Price
Alcohol Gas Sensor MQ-3
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5

Alcohol Gas Sensor MQ-3

This alcohol sensor is suitable for detecting alcohol concentration on your breath, just like your common breathalyzer. It has a high sensitivity and fast response time. Sensor provides an analog resistive output based on alcohol concentration. The drive circuit is very simple, all it needs is one resistor. A simple interface could be a 0-3.3V ADC. Please review the datasheet for conversions to...


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Ambient Light Sensor
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7

Ambient Light Sensor

This is a small light ambient sensor acting as a NPN transistor. It's really easy to use: the more the sensor is exposed to the light, the stronger the base bias. Product datasheet (click on PDF icon, Acrobat Reader is required)


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Carbon Monoxide Sensor - MQ-7
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Carbon Monoxide Sensor - MQ-7

This is a simple-to-use Carbon Monoxide (CO) sensor, suitable for sensing CO concentrations in the air. The MQ-7 can detect CO-gas concentrations anywhere from 20 to 2000ppm. This sensor has a high sensitivity and fast response time. The sensor's output is an analog resistance. The drive circuit is very simple; all you need to do is power the heater coil with 5V, add a load resistance, and...


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Current transducer 6A
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Current transducer 6A

This unipolar current transducer works using of the Hall effect. It's able to measure current till 6Amps and could be adapted for three different scale range simply modifying the connection between pins (2, 4 and 6Amps). This sensor has galvanic isolation between the primary circuit and the secondary circuit so you can use it to measure current of high voltage operating loads. Using it is very...


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Humidity sensor with analog output
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Humidity sensor with analog output

The Honeywell HIH-5030 Series Low Voltage Humidity Sensor s operate down to 2.7V, often ideal in battery-powered systems where the supply is a nominal 3V. The HIH-5030 Sensors feature covered integrated circuits and are designed for high volume OEM users. The Honeywell Low Voltage Humidity Sensors provide excellent resistance to dust, dirt, oils, and common environmental chemicals. More details...


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Hydrogen Gas Sensor - MQ-8
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Hydrogen Gas Sensor - MQ-8

This is a simple-to-use compressed hydrogen gas sensor, suitable for sensing hydrogen concentrations in the air. The MQ-4 can detect natural gas concentrations anywhere from 100 to 10000ppm. This sensor has a high sensitivity and fast response time. The sensor's output is an analog resistance. The drive circuit is very simple; all you need to do is power the heater coil with 5V, add a load...


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LDR cell 100V 80mW light sensor
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19

LDR cell 100V 80mW light sensor

Light ambient sensor made by a photoconductive cell. The sensor varies their internal resistance if targeted by a light beam. His resistor is something in the range of megaohms when placed in the dark and falls into the 10k ohms range when placed at the direct light. It can be connected to an Arduino analog input with an external series resistor. Operating temperature: from -40 to 75 C. Product...


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LPG Gas Sensor - MQ-6
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LPG Gas Sensor - MQ-6

This is a simple-to-use liquefied petroleum gas (LPG) sensor, suitable for sensing LPG (composed of mostly propane and butane) concentrations in the air. The MQ-6 can detect gas concentrations anywhere from 200 to 10000ppm. This sensor has a high sensitivity and fast response time. The sensor's output is an analog resistance. The drive circuit is very simple; all you need to do is power the...


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Methane CNG Gas Sensor - MQ-4
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Methane CNG Gas Sensor - MQ-4

This is a simple-to-use compressed natural gas (CNG) sensor, suitable for sensing natural gas (composed of mostly Methane [CH4]) concentrations in the air. The MQ-4 can detect natural gas concentrations anywhere from 200 to 10000ppm. This sensor has a high sensitivity and fast response time. The sensor's output is an analog resistance. The drive circuit is very simple; all you need to do is power...


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Non Invasive Passive Current Sensor, 30A
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Non Invasive Passive Current Sensor, 30A

This non-invasive current sensor (also known as a "split core current transformer") can be clamped around the supply line of an electrical load to tell you how much current is passing through it. It does this by acting as an inductor and responding to the magnetic field around a current-carrying conductor. By reading the amount of current being produced by the coil, you can calculate...


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Phototransistor ASDL6620
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Phototransistor ASDL6620

ASDL6620 is a silicon phototransistor in a standard T1 package with clear package. It has high sensitivity, fast response time and low dark current.Collector is denoted by a flat on the packaging diagram and the shorter of the two leads.  T1 packageClear lensHigh speedHigh sensitivityNarrow Viewing Angle Product datasheet (click on PDF icon, Acrobat Reader is required)


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Reflective Optical Sensor with Transistor Output
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Reflective Optical Sensor with Transistor Output

The CNY70 is a reflective sensor that includes an infrared emitter and phototransistor in a leaded package which blocks visible light. Tipical applications are: Optoelectronic scanning and switching devices i.e., index sensing, coded disk scanning etc. (optoelectronic encoder assemblies). Features Package type: leaded Detector type: phototransistor Dimensions (L x W x H in mm): 7 x 7 x 6 Peak...


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