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Luca Hammer

@luca.social.luca.run.ap.brid.gy

3 Following73 Followers

Autism. ADHD. Queer. Curious. Tired.

Flew too close to the sun doing social media analysis, got burned out. Currently recovering and working as a technical account […]

🌉 bridged from ⁂ https://social.luca.run/@luca, follow @ap.brid.gy to interact

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@luca.social.luca.run.ap.brid.gyOct 8, 2026, 6:01 PM

A moment of peace. #cat

A tigered cat lays on the legs and stomach of a person. Their head lays on the stomach and their right paw is stretched out as if they would hold the person. The person wears a shirt with a sun on it and grey jogging pants.
@luca.social.luca.run.ap.brid.gyOct 3, 2026, 2:43 PM

@timtfj It costs more than some phones, but I still wouldn't put too much trust into the last few digits.

It can be connected to a computer, so you can decide how to handle the data from the sensors.
https://www.power-z.com/products/chargerlab-power-z-km003c

@luca.social.luca.run.ap.brid.gyOct 3, 2026, 11:10 AM

Hello new charger, good bye adapter.

The phone is capable of 27 W, but 24 W is fine with me. Currently I'm more fascinated that the grounding eliminates the weird skin touch feeling when using a device while it's being charged. It works as intended. Now I […]

[Original post on social.luca.run]

65 W Haribo charger plugged into a plug extender. A power-z is plugged in the Haribo charger and shows that it is charging 24 W via Power Delivery 3.0 24 W. A type F to two type C sockets adapter lays in the background.
@luca.social.luca.run.ap.brid.gySep 30, 2026, 12:35 PM

Why isn't there a Deutsche Bahn branded USB charger? Type F plug so it doesn't lose contact all the time; with all the electronics in the plug.

Edit: Already exists. Not DB branded, but from Brennstuhl. https://www.brennenstuhl.com/de-DE/steckdosenadapter-usb-c-pd-20w-weiss

Edit 2: Thanks for […]

@luca.social.luca.run.ap.brid.gySep 30, 2026, 11:30 AM

I grew up in Stubaital, a valley in Austria. It was only a few years ago that I realized Wuppertal isn't a valley but a city. Why isn't it called Wupperstadt?!

@luca.social.luca.run.ap.brid.gySep 28, 2026, 5:21 AM

@egghat @drehumdiebolzen @katzkowski Musste gerade an Jessie Graff denken. https://vm.tiktok.com/ZGdQvHoBF/

@luca.social.luca.run.ap.brid.gySep 27, 2026, 3:54 PM

Two new achievements unlocked. - Severed a power cable by digging - Severed a water line by digging Thankfully the cable wasn't hot and the water line only connected to the rain barrel. (We had to remove a tree to make space for the heat pump and the tree cutting company was unable to use […]

@luca.social.luca.run.ap.brid.gySep 27, 2026, 1:47 PM

@mrtoto I assumed that it would be easy to jailbreak it then and access it through FTP. But a quick search suggested installing windows XP to jailbreak it.

@luca.social.luca.run.ap.brid.gySep 26, 2026, 3:59 PM

@publicvoit I understand that. It always depends on the specific goals and requirements.

For me, reducing emissions is my primary goal.

To mitigate grid issues, I have an UPS that keeps the Internet connection and home server up for about two hours. We haven't had a longer power outage than […]

@luca.social.luca.run.ap.brid.gySep 26, 2026, 3:30 PM

@spucky Ich habe ein Gewerbe dafür angemeldet. Wäre inzwischen nicht mehr notwendig. Seit 2023 darf man bis zu 30 kWp ohne Gewerbe betreiben. Ich sollte mit der Steuerberatung sprechen, ob es sinnvoll wäre das inzwischen wieder abzumelden. Glaube aber erst nächstes Jahr, weil dann die 5 Jahre […]

@luca.social.luca.run.ap.brid.gySep 26, 2026, 2:45 PM

@spucky Dach voll. Damit stelle ich genug Energie für drei weitere Haushalte zur Verfügung.

@luca.social.luca.run.ap.brid.gySep 26, 2026, 1:57 PM

A 3 kWh battery would see about 50 % more charge cycles (381 compared to 256 with a 7 kWh battery).

Diagram showing the state of charge for a 3 kWh battery in 2025. From February until about Oktober the lines are very close, indicating that it fully charges and discharges every day.
@luca.social.luca.run.ap.brid.gySep 26, 2026, 1:48 PM

Visualization of the state of charge of a 7 kWh battery simulation. In January and February it the battery would have be empty most of the time. From March to October it would be more than half full most of the time. Second and third diagram show only January and June.

Line diagram showing the state of charge of a 7 kWh battery for every 5 minutes in 2025. There is an empty arc in the summer which indicates that the battery would not be fully utilized in those months.Diagram with the state of charge of a 7 kWh battery in January. On about tend of the days it's at 0 kWh. On the other days it mostly stays below 3 kWh. On four days, it reaches the full 7 kWh.Diagram showing the state of charge of a 7 kWh battery in June. On most days the charge doesn't fall below 4 kWh. About 3 kWh are slowly discharged over night and quickly charged again in the morning. Only two days show the battery being full discharged to 0 kWh.
@luca.social.luca.run.ap.brid.gySep 26, 2026, 12:17 PM

I calculated how different battery sizes would influence our energy balance. Based on data from 2025. Charging limits and battery losses not taken into account.

25 MWh production from 28,8 kWp #pv
9 MWh load

Current setup with no battery
3,1 MWh from grid […]

[Original post on social.luca.run]

Plot with amount of energy that can be discharged from the battery (y axis) in MWh compared to the size of the battery (x axis) in Wh.

1 kWh: 511 kWh
2 kWh: 842 kWh
3 kWh: 1143 kWh
4 kWh: 1381 kWh
5 kWh: 1561 kWh
6 kWh: 1695 kWh
7 kWh: 1794 kWh
8 kWh: 1861 kWh
9 kWh: 1909 kWh
10 kWh: 1943 kWh
11 kWh: 1969 kWh
12 kWh: 1991 kWh
13 kWh: 2011 kWh
14 kWh: 2029 kWh
15 kWh: 2047 kWh
16 kWh: 2063 kWh
17 kWh: 2079 kWh
18 kWh: 2093 kWh
19 kWh: 2107 kWh
20 kWh: 2120 kWh
@luca.social.luca.run.ap.brid.gySep 20, 2026, 11:44 AM

What data do I need to simulate various battery sizes? The measures are in 5 minute intervals. Total Active Power in W (Measuring Point ID p24) tells me how much energy was harvested at that moment. By dividing it by 12, I get the Wh. I could use Total Yield in Wh (p2) but then I need to […]

@luca.social.luca.run.ap.brid.gySep 19, 2026, 11:02 AM

@dilmandila @elala Not fediverse, but https://jamshelf.com/ can be used to create signupless voice chat rooms. Haven't used it in quite some though. (Disclaimer: I knew some of the people who were involved creating it. Don't know if they still work on it.)

@luca.social.luca.run.ap.brid.gySep 19, 2026, 8:07 AM

I have been running CachyOS for some months on the living room computer. Starting steam after booting makes it easy to operate it only with controllers. But sometimes I want to use it for other things than gaming and install updates and stuff. I don't like using a mouse on the couch and prefer […]

@luca.social.luca.run.ap.brid.gySep 18, 2026, 7:58 PM

@moritzboth Dabei könnt ihr mit der S5 bis nach Altenbeken fahren!

@luca.social.luca.run.ap.brid.gySep 18, 2026, 5:15 PM

Wir haben die größte Eisenbahnbrücke aus Stein in Europa. Aber da fehlt der Überraschungseffekt. Das ist nur ein Fact ohne Fun. 1978 wurde die erste Windkraftanlage gebaut. Heute sind es 29 (45 MWp, 81 GWh eingespeist). Es wird etwa dreimal so viel erneuerbare Energie produziert, als die […]

@luca.social.luca.run.ap.brid.gySep 18, 2026, 3:10 PM

@1000millimeter @martini Also besteht eine winzige Chance, dass Altenbeken irgendwann einmal kleinster ICE-Bahnhof war!

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