All Questions
Tagged with power-consumption sensor
5
questions
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Correct way to measure power consumption in AC
I'm trying to design a power consumption data logger. But I don't understand the calculations behind this. I got more confused researching on the internet.
First, there are three types of power: ...
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1
answer
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power consumption of sensors
How to measure the power consumed by a temperature sensor theoretically?
The datasheets mention the supply voltage range and output current.
So, to calculate the power supply current will be used in ...
0
votes
1
answer
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Power impact in a wireless sensor network architecture
this is not a real question but a way to talk about the following topic.
I was thinking on a monitoring system based on a Sensor part, a Computing part and a Radio Transmission part.
My question is ...
1
vote
1
answer
269
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Unexpected reversed voltage over shunt resistor
I'm trying to measure the current consumption of an accelerometer using a 1kOhm shunt at Vdd. I've read that there's a ~30kOhm resistor at SA0, so grounding it causes a much higher current draw.
When ...
5
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2
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5 year run time on small battery
I am working on a project that checks a sensor every 12 hours and reports the status via cellular modem to our server ..
Power consumption is less than 1mA during sleep mode and spikes to 900mA ...