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Type: Posts; User: ChrisLaurie

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    Not sure what your issues are. In the end I used...

    Not sure what your issues are. In the end I used the OCTOWS2811 driver from Fastled:

    #include <DmxReceiver.h>
    #define USE_OCTOWS2811
    #include <OctoWS2811.h>

    ...

    #define LED_PIN 2...
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    I am just looking at that now and realised I did...

    I am just looking at that now and realised I did not. But there is a snag. I am also using the LedText and LedMatrix classes, which I THINK derives the FastLED class and its method does not seem to...
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    Tried that, but the result was the same. WHn I...

    Tried that, but the result was the same. WHn I say tried that I mean that I looked at the example shipped with FastLED and that does a define and an an include, for the rest it looks the same - still...
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    DMXReceiver and FastLED

    I'm having some problems when combining these 2 libraries. I am not using Octows2811 because of the additional functionality (hue, wave functions and text mostly) that FastLED gives me.

    On my...
  5. Well an external DAC would give me the same, 8...

    Well an external DAC would give me the same, 8 values and 8 values. I'm looking at creating a matrix of 64 pots. What I had in mind is something like the image below. Where C1 and C2 are the first 2...
  6. Thanks Donziboy - please don't be late for work!!...

    Thanks Donziboy - please don't be late for work!! Thats whet we need to keep doing this stuff :cool:

    So, It does not look good. Would a diode on the data line not fix the issue?
  7. I'm building a midi controller. Due to space...

    I'm building a midi controller. Due to space constraints I can fit the teensy and 4 multiplexer on the board. So 2 of them in a matrix drives 64 buttons that's cool. I need more than the 16 that 2 x...
  8. Normally maybe not, but can it be done? I have...

    Normally maybe not, but can it be done? I have seen that page but using that method I would need loads of 4051's and space is an issue.
  9. Read analog inputs in a matrix with multiplexer 4051

    Hi All

    I know I can read an 8x8 matrix of buttons using two 4051 multiplexers and a lot of diodes. Can one do the same for analog inputs (potentiometers)? What I am thinking is that the +V of the...
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    So if I am reading potentiometer values, is it...

    So if I am reading potentiometer values, is it recommended that I use AGND as the ground for the pots or would the normal ground suffice?

    And if the pots are read via a multiplexer does the mux...
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    How to change joystick

    Can anyone help out noob here, please? I have changed my HID header to be 64 buttons and 28 sliders (no axes, no hats) - this will be used in Linux only as we know windows has their own idea about...
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    Ok so some more digging has me thinking. Let's...

    Ok so some more digging has me thinking. Let's start with my goal. It is based on the above post re a joystick of 128x1bit (buttons) and 48x8bit (sliders/axis etc) to build a control system for...
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    Hi there I'm a complete electronic dunce,...

    Hi there

    I'm a complete electronic dunce, trying to learn and create a lighting control board that will run using HID over the usb link. So 6 axis, 17 sliders and 128 buttons is just what I'm...
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