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Found 3 results

  1. rcjhy8

    Zybo External LED Control

    Hi all, New to the FPGA world as I was tasked a project to help familiarize myself with the programming and function of how FPGAs work. As you can all infer, I am in need of some help on a specific project that I am doing. I am using a ZYBO Zynq 7000 development board, and Vivado 2019.1. What I am trying to do is control an external sensor, or LED through some user interface. I have seen a lot of tutorials that use the on-board LEDs, and if you press a button, it displays that value in binary in a command terminal. My task that I was to do is be able to turn on and off an external LED connected to the ZYBO through the command terminal. It seems I can connect a simple circuit with a LED and a resistor to the PMOD pins that are power and ground. What the command terminal would let me do is then essentially cut power to that pin, therefore turning the LED off. Please let me know if this is probable, and/or how I should task to complete it. Thanks, Russell
  2. For the waveform generator to be useful as a load step FET controller, I will need to control both the rise time and fall time of the same pulse. Any suggestions for most easily achieving this?
  3. I downloaded the Arty General I/O Demo, and followed the instructions in the "how to generate a project from Digilent's GIThub" I was talking to someone else about revision control for Vivado, and they described a similar process, using the journal to capture what you have done, and making a tcl file to re-generate the project. I want to know how to do this? Do you have a document or wiki page that describes how to set this up? Which files you need to store in order to re-generate your project, and how to set up the tcl file? There is a Write Project tcl generator in Vivado now, but it looks different than yours for the General I/O demo. I am going through UG1198, but I wanted to see if you have something easier to follow here. Thank You, Steve