Questions tagged [temperature]
Temperature is a property of a substance related to the amount of heat energy it contains.
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Does a processor consume more power to achieve the same performance when it's is hot than when it's cold?
I just had a random thought while observing the wattage of my laptop's CPU/GPU during a benchmark:
The processor's always being utilized at 100% during the benchmark. However, it was initially ...
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The voltage reading from a Type K Thermocouple Sensor on a RIGOL digital multimeter does not correspond to the measured temperature
I am using a RIGOL DM3058E digital multimeter to read from a Type-K thermocouple. This is a standard thermocouple that plugs into a multimeter.
I am confused about the voltage reading I am seeing when ...
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Where is the sensor on this circuit board that reads the temperature [closed]
I found this post:
Slow rise time for a temperature sensor
I have the same problem. I don't think mine even has a hole for the sensor, which is even more crazy.
Why on earth didn't they go with the ...
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What is the best micro electronic to use to specifically measure the surface temperature of a carrot [closed]
I'm currently working on a Arduino controller that sends data to an API. One of the values I need is the surface temperature of a carrot, preferably a large distance away, approx. 2..3 metres.
EDIT:
...
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(BJT) How many times has ICO been multiplied?
It's my first Electronics class of the semester and we've started with bipolar transistor operating point stability. My professor gave me two formulas for reverse collector current when the ...
user608456
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Using a 10k Thermistor Across a Wide Temperature Range to Produce Linear Voltage Change
I have a 1/8 NPT thermistor that will be installed into a oil filter sandwich plate to measure oil temperature. Here is a link to it -> https://www.ebay.com/itm/276877376822
It is a 10k type, but ...
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Multiple thermocouples reading issues
I need help tackling intermittent jitter / cross coupling on multiple transmitters thermocouple loops.
Multiple K-type thermocouples (8), one per transmitter.
Transmitter SW-TK18: transmitterK input, ...
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LTspice temperature-controlled fan circuit shows
Fan should turn on quickly (within ~1–2 °C of the set point):
The application needs a sharp temperature threshold so that the fan remains completely off until the set temperature is reached, and then ...
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Cold Junction Temperature Sensing
I have a thermocouple card inside a main controller instrument that has many other features besides the thermocouple. In the thermocouple card there is a temperature sensor IC that senses temperature ...
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Is Open Circuit Voltage Dependent on Temperature for Alkaline Batteries?
I did an experiment measuring how temperature (5°C-50°C in increments of 5°C) affects Alkaline batteries' internal resistance (Energizer Max). This required me to measure the voltage drop (Open ...
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Temperature measurement on FR4 internal Cu layer with thermocouple
I want to measure the temperature of an internal layer inside an FR4 with a thermocouple, and I have the following wire:
And the next setup:
My question:
Considering the setup and the expected ...
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MFRC522 Tuning and Design for Temperature Stability
I am currently developing a 4 layer PCB contactless reader based on the MFRC522 which I use to write 4KB of data on a MIFARE card. I have followed AN1445 Topology 1 design and my antenna is similar to ...
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LM358 amplifier gain
What is the gain of this LM358 circuit? How to calculate or simulate it?
any help is greatly appreciated
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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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Antenna noise temperature and Y-factor method - cannot retrieve sensible values
I am currently trying to measure the G/T of a standard gain horn using the Y-factor method in interior in an attempt to figure out an experimental protocol to measure it for more complex antennas in ...
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