Author: Christoph

  • An IoT Chicken Door

    We got chicken and some chicken coop a while ago. This of course immediately created the need to be able to remotely open and close the chicken door when we are away, say, for dinner, and the chicken have entered the coop because it is getting dark and it is predator time. So I designed…

  • Logging room climate, Part 1

    I have been working, very sporadically but for quite a while, on an ESP8266-based room climate logger with an BME280 sensor. This sensor measures temperature, humidity and atmospheric pressure. My current setup uses a Wemos D1 mini plus a Wemos battery shield as well as Waveshare 1.5 inch e-paper display. The display is updated once…

  • 3D printer Wanhao Duplicator i3+ arrived

    I had tremendous fun this weekend after my first 3D printer, a Wanhao Duplicator i3+ arrived. The reason for getting a 3D printer was even more fun I am recently having with microcontrollers, especially the ESP8266, and I needed a way to printer perfectly fitting enclosures for my builds. Stay tuned for details. Regarding the…

  • DIY Bookscanner Assembly

    I had written about the arrival and packaging of my bookscanner kit from diybookscanner.eu in a previous post. Here I document the assembly, which was really easy due to the excellent videos by Daniel Reetz on YouTube. I recommend watching them all before even starting to do anything with the kit. Regarding tools needed for…

  • DIY Bookscanner Kit arrived

    I love books. Real books, made of paper, ideally hard cover and properly bound with needle and thread. And I have assembled a nice library over time. On the other hand, due to peculiar choices of where to live and where to work, and due to the nature of my job, I essentially live on…

  • My Roubo Workbench – from lumber to raw bench

    Last year I started building my workshop in the basement of our house with a view into our beautiful garden. What was desperately missing was the centrepiece of any workshop – a big, sturdy workbench. Even before starting the workshop, in August 2014, I had purchased a copy of Christopher Schwarz wonderful book about work…