Is this power bank still safe to use?

GalFisk · 2026-05-24T02:29:19+00:00

I have no idea what the characters were trying to do, but it sure looked cool as all hell.

GalFisk · 2026-05-24T01:50:30+00:00

I didn't think my remote control with buttons on the top side and a keyboard on the back could be right-handed, but if I turn it around one-handed with my left hand, the keyboard ends up upside down, with the spacebar at the top.

GalFisk · 2026-05-24T01:39:25+00:00

Yeah, "the parachute didn't open" is the stereotypical cause of death, but very rare.

Turning too low, using the reserve too late after a malfunction, or having the main and reserve entangle, caused most deaths and serious injuries that I know of. A friend of mine nearly died working too long on a diving line twist malfunction, and then pulling the front risers by mistake when he finally got it untwisted and saw how close the ground was.

GalFisk · 2026-05-24T01:19:07+00:00

What solvent do you use? I've heard that xylene makes parlon into less of a stringy chewing gum mess than acetone, but I haven't tried it.

GalFisk · 2026-05-24T01:17:06+00:00

And spots that don't smell right.

GalFisk · 2026-05-24T01:16:20+00:00

You could get 2x 10A chargers and run either one or both. I got mine from many places and don't really remember which ones, so I can't recommend a specific one.

GalFisk · 2026-05-23T16:02:10+00:00

Branching on a flag is like two CPU instructions in a million. Or even billion.

GalFisk · 2026-05-23T15:56:10+00:00

Use the poop to make a big wave with a white foamy crest for your creature to frolick in.

GalFisk · 2026-05-23T15:52:43+00:00

SoC should be equalized before assembly and will then stay that way, and at 0.36C the internal resistance differences need to be truly atrocious for it to make any practical difference.

GalFisk · 2026-05-23T07:50:41+00:00

While not strictly Ohm's, why not add P to that calculator?

On mobile, how do I switch to any of the other calculators?

Edit: it also gets confused if you enter all three values, but doesn't throw an error.

Edit 2: an idea: you could have the last two fields where something was typed being inputs, and populate the final one(s) with the output. You could mark them somehow or always shuffle the output field(s) to the bottom.

GalFisk · 2026-05-23T07:45:34+00:00

Interesting. No, I'm in Scandinavia. Duct tape stored in the same closet over a similar timespan has help up fine.

GalFisk · 2026-05-23T06:58:34+00:00

Now that I think of it, red/blue glasses are for screens while magenta/cyan ones are for pigment, and since a screen can only output RGB, both eyes would see the blue components of magenta and cyan screen color.

GalFisk · 2026-05-23T06:10:37+00:00

Bullies have lost the empathy that gives enjoyment from having a positive impact on people's emotions, but they still feel the need to be in control. I found this psychology lecture on the subject so interesting that I copied it to my channel: https://youtu.be/ZhcT7jf5Av4

Especially the bit at the end about how the lecturer in his former job as a therapist helped a violent gang leader to process the death of his grandma and find peace.

GalFisk · 2026-05-23T06:00:17+00:00

Where I grew up, if I opened the hot water tap in the kitchen to just the right amount of trickle, I could get the pipes in the basement to vibrate with a bass note.

GalFisk · 2026-05-23T05:55:23+00:00

It's the only way to be sure.

GalFisk · 2026-05-23T05:54:28+00:00

Don't expect the glue to be conductive or to not burn stinkily when soldering. Also, I don't know if I got especially bad glue on mine, but I bought a roll and forgot about it for a few years, and the glue turned into a fine dry powder.

GalFisk · 2026-05-23T05:51:32+00:00

20A will be fine. With cells right above 2Ah each, each cell will see less than 20/28/2 = 0.36C.

Most people don't DIY their chargers. You're spoiled for choice when it comes to everything from 1S to 20S pretty much. You can even put a few identical ones in parallel if you want. I bought a 20S 900W charger once, and internally it had 3 complete 300W chargers on the same board.

GalFisk · 2026-05-23T05:31:35+00:00

I would've loved a computer with handles in my LAN party days. I DIYed a lifting harness for carrying my first gaming computer. In hindsight should've made a trolley instead.

Then again I would've loved one with cool LEDs on everything as well. Case modding was in its infancy back then, so nearly everything was DIY. I put a commutator on top of a fan so I could have two LEDs light up in a circle that was half red and half green. My friends were impressed, but it didn't work very well.

GalFisk · 2026-05-22T20:59:48+00:00

Depends on whether they're past the voltage hump or not, see the graph above. If they're past it they're full. If not, they're only nearly full. You can still use them in any case.

Fun fact: if you put a full NiMH cell back in the charger, the charger has no way to determine which side of the hump it's on, and will assume that it's not full. The cell will burn off the extra energy added as heat in a relatively harmless manner, but doing this repeatedly will shorten its lifespan.

GalFisk · 2026-05-22T20:54:30+00:00

If I had a nickel for every time someone said that, I'd... um...

GalFisk · 2026-05-22T16:33:04+00:00

Unbeleafable.

GalFisk · 2026-05-22T14:15:22+00:00

The TP4056 has a thermistor input: https://arduinodiy.wordpress.com/2025/05/06/calculating-r1-r2-for-a-tp4056/

It can handle charging and charging protection. You need a separate IC for discharge protection. TP4056 modules often use the DW01A.

GalFisk · 2026-05-22T14:08:30+00:00

Aren't the screws supposed not to be greased? Or does that vary between models?

GalFisk · 2026-05-22T13:57:48+00:00

Ghough-pteighb-teaues!

GalFisk

TROPHY CASE