If your climate chamber is not working, check the pump

This week I wanted to start an experiment in a brand-new Memmert HCP 105 climate chamber. However, the chamber did not increase the humidity although the water reservoir was full and the settings were correct. The troubleshooting section in the handbook was not very helpful and a quick call to …

You can't connect a bluetooth transmitter to your car radio

I was asked to solve the following problem: A car radio is missing a CD player and the owner wants to listen their CD collection. It is also missing an AUX input, so the only option is to use a bluetooth transmitter. Turns out that's simply not possible!

So far …

Quickly Serve a Local Directory

When working on HTML files some things won't work if they're just opened from the local hard-drive. The solution is to present them to your browser through some kind of webserver. Setting up a proper webserver like nginx or Apache would be overkill here.

But if Python is available in …