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Yes, I also noticed that I have a loss in airpressure over time.
So If I want to use a MPX5100, which would be the best package?
The unibody or small outline, the single ported or dual ported?
Thx OX_Rambo for the site.
I use a differential-type MPX---- sensor.
I use the MPXM2102GS.
So I measure the difference between the airpressure of the atmosphere and the pressure in the tube.
So this can't be the problem.
That why I think it has to be something with the vapor pressure in the...
mpx5050 pressure data
I am trying to measure the water level in an open tank, I do this with a pressure sensor attached on a tube.
The sensor is a "MPXM2102" from freescale
**broken link removed**
The problem is that the measurement is changing alot over time.
This is a log of 53 hours, 1...
Hi,
I have read in the datasheet of my superflux LED that they have a continuous forward current of 30mA,
and a peak forward current of 100mA (by 1/10 duty cycle, 0.1ms pulse width).
Now my question:
Is their a difference between useing the peak current with PWM, or the constant current in...
I am useing an RTC in my project and want to backup this with a capacitor.
First I used an 470uF/25V elco and it could remember the time for about 5-6 hours.
But I wanted it to remember it for atleast 1 day.
So then I tried a GoldCap 0.047F/5.5V but it only can remember it for 2 houres.
How...
Re: problem with V-meter
Can I use an isolated DC/DC convertor for this?
this one for example.
DCP010512B from Texas Instruments
then I only need to put a lm7809 behind it.
I have a panel meter from velleman.( PMLCDL )
And I want to build it in.
The problem is that if the power supply and the measure pins share a common ground, de display always says over range.
How can I solve this, without using a second supply for the meter?
4-20ma to 0-5v converter
Hi
I am looking for a circuit that converts 4-20mA to 0-5V.
the power that is available is +10V or +12V.
I also found this, rcv420 but it needs -15V to +15V so I can't use it.
Thus anyone know a circuit or something that can do this?
Which is the best programing language to learn.
I want it use it to communicate with a µC via the serial or USB-port.
I'm thinking about one of these:
Visual Basic
Visual C
Delphi
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