Monthly Archives: December 2016

LED Matrix / Linsn LED Panel Controller

LED Matrix

Adafruit RGB Matrix Bonnet for Raspberry Pi
Controlling RGB LED display with Raspberry Pi GPIO
Controlling RGB LED display with Raspberry Pi GPIO (deprecated?)

Linsn LED Panel Controller

Ethernet-Protokoll für LED-Controller “Linsn”?
How to drive 4096 RGB LEDs (each 24Bit RGB brightness) with one STM32 Microcontroller (without much CPU load)
[Update] How to drive 8192 RGB LEDs (each 24Bit RGB brightness) with one STM32 Microcontroller (without much CPU load)
WordClock24h
WordClock mit WS2812
Reverse-Engineering a chinese LED screen control.. thing.
LINSN LED strips

Anaconda Python

Installing bigfloat

python bigfloat installation issues
Installing Bigfloat for Python

C:\Program Files\Anaconda3>conda install bigfloat
Fetching package metadata .........
Solving package specifications: .
PackageNotFoundError: Package not found: '' Package missing in current win-64 channels:
  - bigfloat
You can search for packages on anaconda.org with
    anaconda search -t conda bigfloat

C:\Program Files\Anaconda3>anaconda search -t conda bigfloat
Using Anaconda API: https://api.anaconda.org
Run 'anaconda show <USER/PACKAGE>' to get more details:
Packages:
     Name                      |  Version | Package Types   | Platforms
     ------------------------- |   ------ | --------------- | ---------------
     auto/bigfloat             |  0.3.0a2 | conda           | linux-32
                                          : Arbitrary precision correctly-rounded floating point arithmetic, via MPFR.
     bokonon/bigfloat          |  0.3.0a2 | conda           | win-32, win-64
                                          : Arbitrary precision correctly-rounded floating point arithmetic, via MPFR.
     clinicalgraphics/bigfloat |  0.3.0a2 | conda           | win-32, win-64
                                          : Arbitrary precision correctly-rounded floating point arithmetic, via MPFR.
     prkrekel/bigfloat         |  0.3.0a2 | conda           | win-32, win-64
                                          : Arbitrary precision correctly-rounded floating point arithmetic, via MPFR.
Found 4 packages

C:\Program Files\Anaconda3> conda install -c prkrekel bigfloat
Fetching package metadata ...........
Solving package specifications: ....
UnsatisfiableError: The following specifications were found to be in conflict:
  - bigfloat
  - python 3.5*
Use "conda info <package>" to see the dependencies for each package.

(C:\Program Files\Anaconda3) C:\WINDOWS\system32>conda install -c conda-forge gmpy2
Fetching package metadata ...........
Solving package specifications: ..........

Package plan for installation in environment C:\Program Files\Anaconda3:

The following packages will be downloaded:

    package                    |            build
    ---------------------------|-----------------
    conda-env-2.6.0            |                0           1 KB  conda-forge
    mpir-2.7.2                 |           vc14_3         2.9 MB  conda-forge
    vc-14                      |                0          985 B  conda-forge
    mpfr-3.1.4                 |           vc14_3         1.7 MB  conda-forge
    conda-4.2.13               |           py35_0         436 KB  conda-forge
    mpc-1.0.3                  |           vc14_3         263 KB  conda-forge
    gmpy2-2.0.7                |      py35_vc14_1         445 KB  conda-forge
    ------------------------------------------------------------
                                           Total:         5.7 MB

The following NEW packages will be INSTALLED:

    conda-env: 2.6.0-0           conda-forge
    gmpy2:     2.0.7-py35_vc14_1 conda-forge [vc14]
    mpc:       1.0.3-vc14_3      conda-forge [vc14]
    mpfr:      3.1.4-vc14_3      conda-forge [vc14]
    mpir:      2.7.2-vc14_3      conda-forge [vc14]
    vc:        14-0              conda-forge

The following packages will be UPDATED:

    conda:     4.2.9-py35_0                  --> 4.2.13-py35_0 conda-forge

Proceed ([y]/n)? y