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Found 5 results

  1. On a Windows 10 MSI laptop model G51-N1PR721-CV8 with GTX 960m video card with 16 GB ram, Intel i7. Using Discovery 2, after it runs for about 5 minutes, Waveforms crashes Windows. Waveforms ver. 3.10.1. Uninstalled, rebooted, turned off antivirus, reinstalled, kept antivirus off, ran waveforms again, same problem. Tried the next version down, still crashes. Any suggestions welcome. Will give any more specifics if asked. Trying to help my son in college. Thanks in advance:)
  2. We have both of these and would like to use either of them to measure dc voltages. The problem is we are using robotics to move our sensors so we also need the x,y,z coordinates as well as the voltage read at those coordinates. Is there any way to ask the hardware to report what it is reading? Our software basically positions the sensor in one of 900 possible grid locations and we then measure 2 voltages and compute the current from the voltage drop across a know resistor as well as reading magnetic field strength. If we could put the coordinates into the log perhaps using the digital i/o. We just need a way to indicate the position where we took the readings in the log file somehow. Thanks.
  3. Hello there, I am a new user to the AD2 scene. What I am trying to do is create a parallel wire capacitor that will alternate the charge on the wires at a freq of 200kHz, at a voltage of 2V across the capacitor wires (in this case the wires are the male connectors) My first question is if I use the wavefunction generator as a sine wave, does the ground need to be placed on the adjacent wire to create my capacitor? What I mean is that if the W1 channel is pushing 2V to the W1 wire, is that in relation to the ground wire? Or, do I need to set up a second wavefunction generator to simultaneously be 180 out of phase, and push -2V to the W2 wire, and have that be the wire adjacent to W1 in my wire capacitor to create the E field between the two wire capacitors? I suspected that I would need a wavefunction generator for each of the wires in my system, so this leads me to the next question. If I need to create two sets of alternating parallel wire capacitors, then I will need 4 wavefunction generators at 200kHz, and thus will need atleast two AD2 devices that can trigger one another. I read the tutorial on using an external push button act as the trigger device. Could I buy a external push button that I could link to both devices? If so, could someone show me which one? Secondly, my other question is that if there is a way to use a keyboard button to be your external trigger? Thank you so much for your help!
  4. Hello, I'm starting to work with custom scripts on my discovery 2 (with oscilloscope extension + probes). I'm trying to setup a measurement environment using the AnalogIn_Acquisition.py sample script. I have a power supply with output voltage at 4V. When I run the scope at WaveForms I get 4V reading, however, when I run the acquisition script I get 2.72V as average voltage. I also tried with the AnalogIn_Sample.py script and also get 2.73V. I wonder why such different results. Pictures bellow:
  5. hello everyone newbie. i recently bought a discovery2 usb scope, to record mains power data and then write that data to excel . i'm stuck with two problems i have and hopefully some with more experience could help . the first is the logger within the waveforms 2015 program saves files or aquisitions to a maximum of 9999 . and at the rate i'm required to sample means i can only record approx 18 minutes of data , is there a way to lift the number of index files to 20,000 , this is the logger view within the scope window of waveforms 2015 ? the second problem i have is the the logger does write files to exel, but it logs the time to show year,month,day .then hours minutes, and seconds .(GMT +1 hour).(DAYLIGHT TIME) i could really do with the log to read milliseconds as well . is there a way to write the javascript to do this ,, tried for many hours TRIED . FAILED. any help with these would be great many thanks all