I am using Amazon-Dash buttons in my home automation project, got them from eBay for some euro. So I can switch-off all lights and heating from my bed, dim the lights in the living-room when watching TVs. And all for nearly no money. The buttons a made for 1000 clicks, so I thought I would be save. But I didnt realize the “power of Amazon” and under-estimated the SW and HW that is build into Read more…
After a long time the MCW was standing outside in the cruel world – now I found its time for a real home – lets build it a home with 3D Printing. I have used Tinkercad before, for my calendar (check out this picture) Now, the MCW Watch-Case is more complicated, because – when I build the watch and the PCB – I did not think about the case. Hence -the case had to be Read more…
We are all using Mobile Apps we download from Google Play – and use them every day. But -do we ever think about the developers? I do – especially since I developed a Mobile App on my own 🙂 What did I build? I love my little document management system “DocBox” (read more here: DocBox) – that I wrote some time ago in RubyOnRails and that is running on a Raspberry Pi (BigPi Read more…
In my very perosnal opinition, the Samsung Galaxy Tab S2 is one of the best tablets ever. Not because its so fast or great, but because its the perfect combination of performance and weight. Just light enough for reading in the evening (super thin), enough performance to surf the internet and good sound to watch a Netflix. But…build in 2016.. and guess..no more updates from Samsung. Action needed… Samsung Galaxy Tab S2 (9,7, Wi-Fi sm-810) Read more…
Introduction I am using a 1.8 Inch LCD Screen SPI Serial Port Module TFT Color Display Touch Screen ST7735 (128*160) for Arduino”, bought for 9€ from aliexpress.com. Details: Display Processor: ST7735, Touch Processor: XPT2046, Display Type: ZJY180-TV2.0,128*160, as ESP8266 I am using the WEMOS D1 Mini Pro (v 2.0) https://wiki.wemos.cc/products:d1:d1_mini_pro. Its part of my Project “BigPi” to use the PI4 as my central home server. I decided it needs a display. Things should look nice..so Read more…
I am having some trouble on the RPI 4 to get Rails installed and finding the right version of MYSQL (MariaDB) and ActiveRecord while running an older version of Rails and a newer version of Sphinx (search index). Anyway I always wanted to move to PostgreSQL…thats the time to do. The tool of my choise: PGLoader I realized pgloader does not like to run on the RPI, but the solution is easy: SourceDB (Cubietrack) <-> Read more…