In the summer 2017 my wife and I furnished our bedroom with new furniture. The new wardrobe has now LED lightning and the bed has also lightning integrated. But the bed has only one switch for the two LED’s. Switching the LED right and left separately was not possible and switch the wardrobe LED’s off […]
After my first steps with the ESP8266 I got far beyond a hello world application. I’ve replaced my old self-made water level gauge with a new self-made one powered by an ESP8266 SoC. The old one have an ultrasonic sensor that sits in my cistern. The sensor was driven by an AT89C4051 micro controller with […]
During looking for a new solution for measuring the water level in my cistern I stumble about the ESP8266 chip. This chip provides Wi-Fi access at a very low-cost. At eBay I found the ESP-03 model with a price below 4 Euro. But now I go back to the roots of my findings. The ESP8266 […]
At my birthday I got a „special“ present from my friends. A screwdriver on which are two 1.5 volt batteries are taped on it. That symbolic „electrical screwdriver“ was decorated with some 5 euro banknotes from which I should buy an electrical screwdriver. After thinking about the screwdriver with the two batteries an idea come […]
Some days ago I was inspired by the blog entry Periodic Execution in .NET. I found it great to have a mechanism to periodically do some work but have also the possibility to do some work when my method gets alerted. I was thinking of a mechanism where a method (like DoSomeWork) get’s called after […]