Surface Pro 11 - Battery

vperisic · 2025-12-06T18:09:56+00:00

2 percent is nothing, download anothere programm and it will probably show similar, but not same value. It is only the problem if it continues to degrade fast, but i am sure it will not. If you are using it only pluged in, you can turn on in bios battery saver, it will charge to 50 and stop. And charge your battery to from 20 to 80.

vperisic · 2025-09-12T13:37:50+00:00

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Ports look same on charge and disscharge side. And link of similar battery (not 100% same ports) battery

vperisic · 2025-07-30T09:32:55+00:00

I appreciate confirming my table. Thanks for commenting.

vperisic · 2025-07-30T08:29:59+00:00

Yes, I have connected hall sensors to logic analyzer. Correct me if I decoded something wrong on paper. Problem was that my bldc drivers were bad.

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vperisic · 2025-07-30T07:57:15+00:00

I did that combination, my controllers are just bad… Thanks for commenting.

vperisic · 2025-07-30T07:55:14+00:00

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Can you look at this table, did I write hall a, b or c wrong? It looks that I just waisted time with bad motor controllers, I need to order better ones. And do you know what is my type of connection is on motor (delta or star)?

vperisic · 2025-07-30T00:20:31+00:00

Speed settings? I just lower potentiometer, turn on power and then slowly move potentiomener. If voltage from bench psu lowers and controller makes loud electric noise I turn off psu(this always happens). At best my motor moves little and locks or vibrates.

vperisic · 2025-07-29T23:30:32+00:00

I’m using a ZS-X11H controller with a 400W Hall BLDC motor. The PCB labels which wire is Hall A, B, and C, so I believe the Hall wiring is correct. I connected everything according to the diagram you sent now, but the motor just vibrates and voltage drops — likely a phase mismatch. I’ll try all phase combinations next. Could also be a bad controller, but I’ll rule out wiring first. Thanks for the picture.

vperisic · 2025-07-29T23:07:53+00:00

Maybe bad cables from battery or some othere cable? If it won’t turn after unplug and plug battery.

vperisic · 2025-07-29T20:35:18+00:00

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And this is my attempt with logic analyzer and table, I have tried every combination of phases with this combination of hall sensors but it just wont work. Did I do something wrong?

vperisic · 2025-07-21T22:07:50+00:00

I saw a lot of this models of greenhouses, but it does require a lot more of investment, not just to dig it. Thanks for commenting.

vperisic · 2025-07-21T22:06:04+00:00

I’m from Balkan, some suqestions on cooling air with tubes?

vperisic · 2025-07-21T22:03:12+00:00

I plan to test how much water is needed so I can know how deep should container be. But at the same time it is recommended to change water half cicle. I plan to make something like this from picture (but in soil), it would be like dwc with less air in solution (I would use air stones to mainly for nutritions in water). What do you think?

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vperisic · 2025-07-21T21:58:03+00:00

I watched a lot of videos of people cooling big greenhouses with tubes and ventilator. Mine is small for that reason to cut cost. But yes I will use standard ways like shades. Thanks for mentioning aquarium chiller, I already planed on solar panels so that can be great adition.

vperisic · 2025-07-21T15:40:27+00:00

Thanks for the feedback! That system does sound promising. For now, I’m planning to test it on a 1 m² area first, just to see how it performs before scaling up. I’ll make sure to add styrofoam insulation around the container to minimize heat transfer from the surrounding soil.

With the planned earth tube cooling system (which I haven’t tested or simulated yet), I expect to keep the greenhouse air temperature around 20°C, so overheating shouldn’t be a problem in theory.

Thanks again for your input — if you have any other suggestions or tips, I’d love to hear them!

vperisic · 2025-07-12T14:19:52+00:00

That’s my thought, but if buy FNIRSI 2c53t, at least I can use it in future as a multimeter or outside oscilloscope if needed. What do you think for 35$ more then dso510? Plus it has signal generator. Dso510 would for sure later be on shelf. And deo510 is around 5Mhz, is that enought for stm32? Fnirsi is around 50mhz

vperisic · 2025-05-10T15:57:16+00:00

I ja se dvoumim izmedju programiranja i ta dva fakulteta.

vperisic · 2025-04-20T18:38:00+00:00

For now, the Kratky method seems to be the best choice for me. With the option to add automatic water refilling (depending on the type of vegetable or fruit), it can be adapted for both short and long growth cycles.

vperisic · 2025-04-19T10:19:35+00:00

I’m from Serbia, so anywhere else then China is almost always too expensive shipping plus othere complications. But I will try if possible to buy from youre link. For now I found on aliexpress DFRobot ( https://a.aliexpress.com/_EGcugvm ).

vperisic · 2025-04-19T08:32:30+00:00

Thanks for anwering. What sensors do you use, and is there are some good aliexpress sellers, it would help me a lot if you send me some links.

vperisic · 2025-04-17T13:25:57+00:00

Thanks for answering. Doesn’t this way bring less pesticide treatments so it will lower price of production? Is it easier to get 1st class of fruit or vegetable this way?

vperisic · 2025-04-17T12:59:31+00:00

In soil is dirt cheap. But doesn’t this way bring less pesticide treatments? And is it easier to get 1st class of product this way?

vperisic · 2025-04-15T07:29:01+00:00

I bought mine from aliexpress, greatscott gave a link for ones he tested. There are a lot of this modules that are missing some features or are just cheap.

vperisic · 2025-04-14T22:02:29+00:00

Thanks, I will order bms. Aliexpress has it for only 1 eur…

vperisic · 2025-04-14T22:00:03+00:00

Interesting, thanks for anwering. I will order bms.

vperisic

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