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That should do. Even better if you can plug it up and run it for a few minutes. Give it a sniff for any burnt motor coils etc

Yep. Random orbital will be more even with much less chance of a sanding pattern. With coarse grit, If you move part or the enclosure off the sanding surface, it's will immediately have more material. IMO, the only thing palm sanders are good at is removing a lot of material quickly in spaces a...

Is that a 022 in IC1?

I like to give my rattle cans a 15 minute spa first. Stick them in a pan or what not full of hot water and let the water continue to run into it at a dribble to keep the temp up. Be cautious if you have suor hot hot water though. Goes on smoother but also expells faster. Or, on a warm day, sit...

Where my mind goes.

You'll take the bulk off with course grit. That's why I use the sharpie. Similar to fret leveling. I know I've touched the entire surface with the course grit. Being perfectly flat doesn't matter a ton unless you are etching but even then, sanding gets you flat enough. Even on bigger boxes, just...

I'm not sure wet sanding is "approved" for any electric orbital. Certainly not an issue for pneumatic. I just do it anyway. It's a Ryobi. Who cares. But, it takes very little water, at least w the Diablo discs. It seems like the mesh like to hold onto the droplets. I just have a spray bottle and...

Ive noticed the same pitting on tayda boxes. SBP boxes seem better in that regard. They're cheaper too if you buy 25 iirc. A 6 inch random orbital sander is a better move than a palm sander imo. Swapping grits is going to be a lot quicker. I've had good luck with the Diablo SandDemon discs. They...

With that casing, probably for rough service. Auto, military, etc.

interested

Okay. I lied. Kinda. Optical illusion. They look tiny on their own.

Looks to be a diode. They put the symbol on it and everything. Warm one up and see if its Vf changes much.

I think your thinking of a kill switch. But a Neuro-kull switch would... Ooooohhhhhh.

But what is it you want the Neuro-Busrt to do?

It's a 1:1 transformer so it doesn't matter

R4 is suspect. See if you have continuity with r4 and Q1 base and the mids pot

New circuits. You could modify an existing circuit, but you'd likely need to account for the clock and voltage so a new layout would 3b in order. Would be a mess to try bodge.

https://hackaday.com/2025/11/06/2025-component-abuse-challenge-reverse-biasing-an-npn-bjt/

https://a.aliexpress.com/_mPY7273 L9.7 female gold is what I ordered Can't find them on tayda either but I swear they had them once upon a time.

I ordered some and got tiny ones.