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Search: Posts Made By: clearchris
Forum: General Computer & Tech Discussion 12-26-2020, 09:08 PM
Replies: 26
Views: 1,459
Posted By clearchris
Re: Wiring ethernet in new office

I only buy things which are supported by openwrt, which means any supported router/AP can support basically anything. Last I looked, microtik and ubiquity had a lot of openwrt support. I just...
Forum: Troubleshooting Printers, Copiers, Scanners and other Imaging & Printing Devices 12-23-2020, 09:22 PM
Replies: 6
Views: 3,776
Posted By clearchris
Re: Monoprice-113860 Maker Select 3D Printer v2 Troubleshooting

A melzi board, you don't see those too much anymore... Having a mosfet for the bed heater is always a good idea.

There's a lot of support for these monoprice printers, if you are facebook the...
Forum: General Computer & Tech Discussion 12-23-2020, 09:08 PM
Replies: 26
Views: 1,459
Posted By clearchris
Re: Wiring ethernet in new office

Ubiquiti seems to be the latest brand of choice for small offices. I haven't worked with their equipment myself, but there's pretty glowing reviews of them from the community. They seem to be pro...
Forum: Troubleshooting Game Consoles & Other Weird Devices 12-23-2020, 08:38 PM
Replies: 13
Views: 643
Posted By clearchris
Re: Matsui 175S microwave fuse replacement

Interesting. I have only had a door switch failure on a commercial microwave (actually two identical ones), that box had around 7-8 door switches. I didn't trace them all out, I just replaced them...
Forum: General Electronics Technical Discussion 12-22-2020, 07:46 PM
Replies: 13
Views: 793
Posted By clearchris
Re: HELP: I accidentally broke a capacitor off of my motherboard...

You would be better off just bringing it to a local electronics repair shop. Maybe even one of those mobile phone repair shops, especially if you bring the replacement cap with you.
Forum: Troubleshooting Game Consoles & Other Weird Devices 12-22-2020, 03:36 PM
Replies: 13
Views: 643
Posted By clearchris
Re: Matsui 175S microwave fuse replacement

Ok, I have repaired around 5 microwaves and stripped a few more. The only problems I have ever seen is the door switches wear out, or there is a loose connection somewhere. The door switches...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 12-21-2020, 09:51 PM
Replies: 22
Views: 1,946
Posted By clearchris
Re: How to correctly desolder through hole IC?

Sometimes I'll use solder wick if I don't have much to do, and I don't want to wait for my desolder gun to heat up. Name brand wick is definitely superior. I always dunk it in flux, but before...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 10-30-2020, 11:40 AM
Replies: 7
Views: 1,749
Posted By clearchris
Re: Microscope Camera question

You need something in between, you could possibly get away with something like a raspberry pi zero, but a raspberry pi 3 or 4 should do it, assuming there are ARM drivers available for that camera. ...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 10-30-2020, 11:21 AM
Replies: 3
Views: 813
Posted By clearchris
Re: Signal Tracer - Requesting input on requirements

When would you be tracing audio at higher voltages? Amps or tubes?

Headphone jack is a good idea, haven't thought of that.

Why would you want to trace ultrasonics, if it's by definition...
Forum: General Capacitor Questions & Issues 10-30-2020, 10:35 AM
Replies: 68
Views: 7,199
Posted By clearchris
Re: Panasonic FC series - leaking? quality gone?

I just recapped an 80s preamp that had exclusively samxson caps. Some had clearly gone bad, but I didn't see a bulge or a leak anywhere. Don't remember the series, but they were bright blue.

I...
Forum: General Electronics Technical Discussion 10-10-2020, 12:06 PM
Replies: 46
Views: 3,677
Posted By clearchris
Re: Here is a new twist to using an ATX Power Supply

Yeah, I always use the heated bed. ABS can be tough, an enclosure will help, bed surface also really helps. I'm not a fan of the buildtak surfaces that come with printers these days. Great for...
Forum: Troubleshooting Game Consoles & Other Weird Devices 10-10-2020, 11:56 AM
Replies: 15
Views: 971
Posted By clearchris
Re: Anker USB charger Part no

Interesting, looks like they changed the design. My anker chargers aren't fused on the hot side (IIRC), but each USB port is fused individually. They would inevitably blow, I had to replace them...
Forum: Troubleshooting Audio Equipment 09-07-2020, 03:37 PM
Replies: 7
Views: 855
Posted By clearchris
Re: Making a Balanced Audio Connection

I picked up an aphex 124a unbalanced to balanced converter and the buzzing is gone and the system sounds much better. I was going to build a converter, but I picked up the 124a for around $30 and I...
Forum: Troubleshooting Power Supplies and Power Supply Design 07-17-2020, 10:42 PM
Replies: 23
Views: 2,257
Posted By clearchris
Re: APC BACKUPS-RS550 not charging battery

Did you check the date code on the "new" battery? Depending on where you get them from (don't get from amazon or ebay) they might not turn over quickly. Lead acid batteries go fast when they aren't...
Forum: General Electronics Technical Discussion 07-17-2020, 10:24 PM
Replies: 46
Views: 3,677
Posted By clearchris
Re: Here is a new twist to using an ATX Power Supply

It looks round, but it's not. And depending on where you measure it, it could be the right size or too small. But when you put something round in the printed hole, it won't fit.



Be careful...
Forum: General Electronics Technical Discussion 07-11-2020, 12:08 PM
Replies: 46
Views: 3,677
Posted By clearchris
Re: Here is a new twist to using an ATX Power Supply

I think your fit issues have much less to do with shrinkage, and more to do with the number of faces on your printed circle. Go here and look at the green cylinders.
...
Forum: Equipment Usage, Soldering, Techniques, and Reviews 07-10-2020, 09:47 PM
Replies: 6
Views: 1,092
Posted By clearchris
Re: Can thermal paste cause corrosion?

If acetone and IPA doesn't work, brake cleaner will take off nearly anything. Just don't burn (solder) the brake cleaner or it will give off very poisonous phosgene gas.
Forum: General Electronics Technical Discussion 07-10-2020, 06:12 PM
Replies: 3
Views: 533
Posted By clearchris
Re: Siglent SDS2352X-E scope?

Rigol seems have have sat on their laurels for a few years. I have read good reviews of Siglent's scopes, but I don't have one, and no experience with one. I'm possibly in the market as well, so...
Forum: Troubleshooting Power Supplies and Power Supply Design 07-09-2020, 11:52 AM
Replies: 23
Views: 2,257
Posted By clearchris
Re: APC BACKUPS-RS550 not charging battery

If you left this idle for a year, it's likely your batteries are dead. Lead acid batteries do not take well to being left idle, just like in your car. I have a UPS that I'm not using at the moment,...
Forum: General Electronics Technical Discussion 07-09-2020, 11:48 AM
Replies: 46
Views: 3,677
Posted By clearchris
Re: Here is a new twist to using an ATX Power Supply

In general, for two straight pieces to fit together, I usually add 0.2mm gap, and that works perfectly. Circles get 0.1mm added to the radius or 0.2mm to the diameter. Parts often still require a...
Forum: General Electronics Technical Discussion 07-06-2020, 02:53 PM
Replies: 46
Views: 3,677
Posted By clearchris
Re: Here is a new twist to using an ATX Power Supply

Nice. I bet it was pretty quick to design too. 3d printers are great for stuff like this.
Forum: General Electronics Technical Discussion 07-01-2020, 10:02 PM
Replies: 4
Views: 483
Posted By clearchris
Re: Some one posted a comment about modifying some G code for some kind of heater set

Also, chinese pid controllers are really cheap now, you can pick one up for $10-15. Really not bad, comes with an LCD display and controlls too. Almost not worth building your own unless it's for...
Forum: General Electronics Technical Discussion 07-01-2020, 09:40 PM
Replies: 4
Views: 483
Posted By clearchris
Re: Some one posted a comment about modifying some G code for some kind of heater set

Are you talking about using your 3d printer to pre-heat boards? I don't think those will get hot enough. And with the hot plates, you don't really need to do a profile, you just need tight...
Forum: General Electronics Technical Discussion 07-01-2020, 08:38 PM
Replies: 4
Views: 483
Posted By clearchris
Re: Some one posted a comment about modifying some G code for some kind of heater set

That's me! What do you need?

https://www.badcaps.net/forum/showthread.php?t=83344
Forum: General Electronics Technical Discussion 07-01-2020, 08:29 PM
Replies: 46
Views: 3,677
Posted By clearchris
Re: Here is a new twist to using an ATX Power Supply

Yeah, if you are ready to gradute from MS 3d Paint, freecad is nice imho, I'm not ready to post the files to this one, but the box it's based on (including the usb buck converter mount) is up here:
...
Showing results 1 to 25 of 426

 
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