ZOTAC ZBOX CI620 NANO i3 – New Home Server with Ubuntu 20.04 LTS

Intro This will be my new “HomeServer” running https://44-2.de/docbox/ and Openhabian..and more. Its a passive cooled mini PC with Intel i3-8130U, for my needs its equipped with 8GB RAM and a 8GB (2x4GB) Crucial DDR4-2400 CL17 SO-DI RAM and a Samsung SSD 860 EVO Series 1TB. Installing the Hardware Installing Ubuntu 20.04 LTS on ZOTAC ZBOX + The Bacis Very simple and straight forward Create Bootable USB Stick with Etcher Connect with Keyboard , HDMI Read more…

Smart, Power-Saving, Flexible – and now running for the first time!

15 Seconds to understand the concept! What I want is: A Tiny Touch-Button I can just stick on a wall or desk, without additional wiring, so its battery driven Can be enabled with a simple-touch, so it needs to wake-up from sleep Connects to WiFi and is very flexible, so it needs to have an ESP8266 !!!!! The final solution will have a small battery having the same size as the button — of course Read more…

Thank you for your order with Banggood – or how to build a Smart Home Switch for $4.00

It all started with an article in my favourite computer magazine Heise – WLAN Plug with Tasmota. So I could control some 220V devices, like a floor lamp with my OpenHAB Super-Cheap – Smart Home Solution Smart Home. Some 220V devices don’t need a plug, I want to control them with a tiny switch and not a big plug on the wall, here I found this- 4€ each from China…will this work? After one month Read more…

About Amazon Dash-Buttons, and what you can learn from it about IoT and Amazon!

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…

Proudly presents….it becomes a CASE!

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…

Mobile Application Development is easy! Really?

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…

Back from the bin – how to get new live into my wonderful Samsung Tab S2 Tablet

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…

Touchdisplay running on ESP8266 (Wemos) – RPI Remote Controll

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…

Migrating from MySQL to Postgres

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…

Runtime

Very happy, the MCW (Most Complicated Watch) keeps running… battery lasts “forever”. Whats next: Going to build a case – just looking for a nice design