Questions tagged [sensor]
Sensors convert a physical quantity (e.g. temperature, pressure) into an electrical signal.
3,276 questions
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High-Speed Angular Position Sensing at 6000°/s Without Using Hall or Optical Encoders and with off-center mounting
I'm looking for a compact sensor solution to measure relative angular position for a rotating system under the following constraints:
High-speed rotation: The system may rotate at speeds up to 1000 ...
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Non-Contact temperature sensing
My colleague is working on a NiMh multi-cell charger and is having problems getting decent temperature readings from the battery pack.
The temperature measurement is needed in case the battery gets ...
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Where can I find information on the Toshiba T8E75G monochromatic linear image sensor?
Recently I have come across this IC, and have been thinking of using it in a project.
The only problem is the fact that I have been completely unable to find any sort of information about it. All I ...
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Using lambda automotive sensors to measure oxygen in a room
I have two spare automotive lambda O2 sensors... They have four wires, two for heating PWM, one for analog signal from 0V to 1V and one for ground. Can I use them to measure oxygen on room vents? I ...
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How to increase the range of a DIY Infrared sensor?
I am working on a small project to light up LEDs in a corridor at night.
For this purpose, I'm using an IR sensor that I made myself with
1 TL072 opamp.
1 IR LED out of a smoke detector
1 Photodiode ...
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Designing circuit for clamping low voltage audio signal and then removing the DC for input through PC mic
I'm working on analog sensing circuit that will be connected to PC or other device through 3.5mm headphone jack. I started with simple android "loopback dongle" as described here. but ...
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Understanding Gas Sensor Output Voltage from Resistance Change
I'm working on an air quality monitoring system using MQ7, MQ131, and MQ135 gas sensors. I've explained the working principle to my professor, including how gas concentration changes the sensor's ...
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Current measurement of load with separate ground than the measurement device
I have an emergency button wires flowing through board 1 to board as shown in the illustration image. Both boards have different grounds, but i would like to measure the current flowing through the ...
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How to Make an Impact Sensor with MPR121 for an Electronic Santur?
I am working on an electronic Santur (a Persian hammered dulcimer) and need help designing an impact-sensitive sensor using the MPR121 capacitive touch controller. My goal is to detect both the ...
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K-type thermocouple to PT1000 input
I have a solar hot water temperature differential controller that requires a a two wire PT1000 temp sensor connected however I already have a k-type thermocouple up on the roof and wire run down to ...
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I2C Slave acknowledges write to slave address but not read from slave address
I'm pretty inexperienced when it comes to electronics, and I am looking for some advice for tackling this problem. I am currently trying to interface a lsm6dsox sensor with a Nordic Semiconductor ...
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Low noise Hydrophone Preamplifier Circuit
I am currently developing a low noise preamp for a new piezo sensor that should be used as a hydrophone. Since I am actually from the signal processing domain the topic was quite hard to get into for ...
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When receiving ADC values with a CT sensor, can I receive them as DC?
The picture above is a circuit diagram that is generally used when using a CT sensor.
I am trying to receive values from the microcontroller ADC using a CT sensor.
If I do it according to the ...
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What's the best way to connect a sensor directly to oscilloscope
I have a cz3726 current sensor which I currently connect to my oscilloscope by using the mini grabber and 1x probe. The sensor is powered with a 9v battery and linear regulator.
I'm measuring switched ...
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Strange behavior for an opamp voltage follower connected to a capacitor-coupled output
I want to design an interface between a sensor (CM-01B) with a capacitor-coupled output stage (around 150mV Vpk) and an MCU ADC, which accepts 0-3.3V input. I have run the simulation, but it seems the ...
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