A hogshead (abbreviated "Hhd", plural "Hhds") is a large cask of liquid (or, less often, of a food commodity). More specifically, it refers to a specified volume, measured in either imperial or US customary measures, primarily applied to alcoholic beverages, such as wine, ale, or cider. — Hogshead – Wikipedia It must have been in […]

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When I started to include container migration into Podman using CRIU over a year ago I did not really think about SELinux. I was able to checkpoint a running container and I was also able to restore it later https://podman.io/blogs/2018/10/10/checkpoint-restore.html. I never looked at the process labels of the restored containers. But I really should […]

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I’ve connected the Arduino pro mini (328/5V) to my pcb. Of course it’s not directly soldered to the PCB but using a connector, so I can replace the parts that get bricked during development. I’ve downloaded the blink example using something like this. Directly after flashing it worked, but once I disconnected the flashing adapter […]

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… an ohmic load (Thank you Axel) shows the same behavior (spikes on Vout) as seen in the previous post. Fortunately I’ve spent some space on the pcb for an optional filter that has now become mandatory. The spikes do not change with load or input voltage. I took a closer look and they are […]

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I’ve run the power supply under load. As you can see I’ve not yet removed the screen protector foil from my multimeter connected the cables in the wrong direction so the current is negative load current @ Vout=5V [A] The load was a florist wire that accidentally had the correct length to have a resistance […]

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After a (luckily unsuccessful) search for short cuts I have connected the power supply part on the pcb to an external power supply. The following screen shot shows that the power supply becomes operational at around 12V. Channel 1: VoutChannel 2: Vin (manual rise from 0 to 15V ) Unfortunately I do not have a […]

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After a long time I’ve reactivated my solder iron. Since I’ve done that without additional flux (apart from the content of the solder) the result looks accordingly. My next step will be testing the circuitry. power supply part of the cancombase Surprisingly for me the soldering of the IC was the easiest. I assume, that […]

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After ordering the prototype pcbs in China on Saturay they arrived on the following Wednesday. I even got one more pcb than I’ve ordered. The service is very fast and the price more than acceptable. So based on this single sample I can recommend allpcb.com. Apart from the silkscreen, the pcb looks good. But I’ve […]

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Of course loxone offers the possibility to connect the miniserver to the internet and also an app for mobile devices to connect to your smart home via internet. The problem is the connection is not as smart as expected. heise.de had a short and a long story about that. So the first step is not […]

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With the help of Jonas as reviewer I’m one step closer to the solution that was missing in Switch selection. The first version of cancombase is finsihed. The 5×10 cm pcb fits behind the switches in a double plug socket. The 4 pairs in the CAT cable will be used in the following way: Connect […]

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