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  • delorayn commented on PKukic's instructable Raspberry Pi Meteor Station1 month ago
    Raspberry Pi Meteor Station

    Hi Tobias,thank you for the feedback!0) We have included the HDMI2VGA adapter in out description, as some people may not have a HDMI screen.1) We have left this unmentioned as we assumed a certain level of familiarity with the RPi3 - thanks for pointing it out!2) We assumed that the commands will be copied directly into the terminal, as this instructable can be opened on the RPi as well, which makes things much easier. We will add a notice that it is the lowercase letter "L", not the number 1.3) This is unusual - have you rebooted your RPi before looking for the file? The module was probably not loaded. What happens when you run: sudo systemctl enable hwclock-save.service ?4) Yes, the file indded does not exits, you have to create it yourself. And it will be created when you r...

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    Hi Tobias,thank you for the feedback!0) We have included the HDMI2VGA adapter in out description, as some people may not have a HDMI screen.1) We have left this unmentioned as we assumed a certain level of familiarity with the RPi3 - thanks for pointing it out!2) We assumed that the commands will be copied directly into the terminal, as this instructable can be opened on the RPi as well, which makes things much easier. We will add a notice that it is the lowercase letter "L", not the number 1.3) This is unusual - have you rebooted your RPi before looking for the file? The module was probably not loaded. What happens when you run: sudo systemctl enable hwclock-save.service ?4) Yes, the file indded does not exits, you have to create it yourself. And it will be created when you run the "nano" command and save the file, as described in step 11.Furthermore, the software has many new features which are not described here, such as astrometry calibration, making flat field images, uploading the data to the central server, etc. We will edit the Instructable when the time allows...

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  • delorayn commented on PKukic's instructable Raspberry Pi Meteor Station2 months ago
    Raspberry Pi Meteor Station

    Thanks for the advice! 1) Were were using the UTP cable only as a temporary solution, our real setups are using coax cables. We kind of left the cabling part open, but I guess we should write a few words about that as well...2) The things is, we are pushing the limits of the camera here a bit. The shutter speed is at max (1/50, as the video is interlaced). There is no iris, i.e. the lens is fully opened as we need as much light as possible. Regarding the AGC, we have found that one should not push it above 24 (for our camera), otherwise you end up adding too much noise. But below that it really helps to bring the sensitivity up. We actually tried many settings, these seem to work the best!Thanks again for awesome recommendations!

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  • delorayn commented on delorayn's instructable Arduino 16-bit 500SPS Dual Channel DAQ1 year ago
    Arduino 16-bit 500SPS Dual Channel DAQ

    Thank you for asking!So regarding the script, if you installed Anaconda Python, you should be good to go. If you only installed Python separately, then I recommend opening a Command Prompt window (search on google how to do that if you have no clue what I'm talking about) and write:pip install pyserialHit Enter and PySerial should be installed. But you will need other libraries as well: numpy and matplotlib. You could google how to install each one, but why not remove your current python installation and install Anaconda Python 2.7? That should take care of any library issues.I recommend that you open the Python script with a text editor and check that you have the proper COM port set (see Step 12).Regarding the RTD, I have no experience with it nor have any idea how to wire it. Try to ...

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    Thank you for asking!So regarding the script, if you installed Anaconda Python, you should be good to go. If you only installed Python separately, then I recommend opening a Command Prompt window (search on google how to do that if you have no clue what I'm talking about) and write:pip install pyserialHit Enter and PySerial should be installed. But you will need other libraries as well: numpy and matplotlib. You could google how to install each one, but why not remove your current python installation and install Anaconda Python 2.7? That should take care of any library issues.I recommend that you open the Python script with a text editor and check that you have the proper COM port set (see Step 12).Regarding the RTD, I have no experience with it nor have any idea how to wire it. Try to dig some more on the interwebs. But to answer (a part) your question: The AIN- ports are already connected to the GND (if you did your soldering right) internally in the ADC. That's why in Step 9 I only connected the middle potentiometer pin to the AIN1+. But you should certainly connect the GND from the RTD to the Arduino GND.

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