1. Running TensorFlow with Python 3 kernel in Docker on RaspberryPI

    Installing docker on Raspberry PI 3


    Docker image for TensorFlow with Python 3 kernel

    Based on the tensorflow-rpi-Python2 image (https://github.com/philipz/rpi-tensorflow) of philipz I made some changes and updated to TensorFlow 0.9.

    Code: https://github.com/mfa/rpi-tensorflow

    Image: https ...

  2. Banking API

    For another project (the shackbureau) we needed to convert banking numbers from the old German system to the European system. At first we used the webpage of a German bank but after their relaunch the form was removed.

    After some searching we found the data from the German federal bank ...

    Tagged as : oklab
  3. Particles sensor of opendata-stuttgart

    Tagged as : particels feinstaub oklab
  4. Voltage Regulator

    To use the ESP8266 and the PPD42NS together we need 5V and 3.3V.

    There are some ways to achieve this.

    First option

    Buy a LM1117.

    Second option

    I didn't have a LM1117, but got a LM317 and two resistors.

    The schema to build a voltage regulator with this ...

    Tagged as : arduino
  5. Imagegeneration for Kindle 4

    Task: Generate images displayable on a Kindle 4.

    Example code using Python and Pillow:

    # -*- coding: utf-8 -*-
    from PIL import Image, ImageDraw, ImageFont
    image = Image.new("P", (600,800), 255)
    # generate a 8 bit greyscale palette
    def palette():
      for i in range(0,256):
        yield i;yield i; yield i
    image ...
    Tagged as : linux kindle

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