Forum: Troubleshooting Audio Equipment
Today, 11:07 PM
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Replies: 1
Views: 38
Re: Recapping a Cerwin Vega Crossover help
I see a 1.5uF 200VDC and 3.5uF film capacitors, and another small one underneath, and some others as well.
Those caps look fine and if they test reasonable, I would leave them alone. If they were...
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Forum: General Electronics Technical Discussion
Today, 03:08 PM
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Replies: 13
Views: 233
Re: Converting +/- 5v to a Usable Hz Signal
I see the wheel has already been invented. There are many aftermarket fan controllers for cars:
Summit Racing (https://www.summitracing.com/search/part-type/fan-switches) has several different makes...
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Forum: Announcements & Related News
Yesterday, 04:52 PM
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Replies: 4
Views: 1,275
Re: Panasonic exits VRLA market
Panasonic VRLA were top quality, end of an era. There's nothing left but cheap chinese VRLA with not even 1/2 the lifetime. Just look inside, the lead plates look like they were made by kids, all...
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Forum: General Capacitor Questions & Issues
Yesterday, 04:37 PM
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Replies: 29
Views: 716
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Forum: General Capacitor Questions & Issues
Yesterday, 04:33 PM
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Replies: 13
Views: 397
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Forum: Troubleshooting & Designing Networks
Yesterday, 03:11 PM
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Replies: 22
Views: 408
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Forum: General Electronics Technical Discussion
Yesterday, 02:52 PM
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Replies: 13
Views: 233
Re: Converting +/- 5v to a Usable Hz Signal
You can reverse-engineer what is needed with not so much work. It's kind of two parts - knowing the engine temperature, and controlling the fan(s).
I have a peer who does ECU design and will ask...
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Forum: General Electronics Technical Discussion
08-09-2022, 01:35 PM
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Replies: 13
Views: 233
Re: Converting +/- 5v to a Usable Hz Signal
If I understand you, you want to add a variable speed feature to the older generation ECU on/off fan control?
Most cars use simple on/off control with a relay for the cooling fan(s). In stopped...
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Forum: Troubleshooting & Designing Networks
08-08-2022, 01:08 PM
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Replies: 22
Views: 408
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Forum: General Electronics Technical Discussion
08-07-2022, 06:20 PM
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Replies: 63
Views: 1,213
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Forum: General Electronics Technical Discussion
08-06-2022, 12:43 PM
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Replies: 63
Views: 1,213
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Forum: General Electronics Technical Discussion
08-05-2022, 10:48 PM
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Replies: 63
Views: 1,213
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Forum: Troubleshooting & Designing Networks
08-05-2022, 02:32 PM
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Replies: 22
Views: 408
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Forum: General Electronics Technical Discussion
08-05-2022, 02:28 PM
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Replies: 63
Views: 1,213
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Forum: General Capacitor Questions & Issues
08-05-2022, 11:54 AM
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Replies: 29
Views: 716
Re: Blown cap on old dwell gauge - kal equip 2851
The old burnt resistor was GREY-RED for the first two stripes, so it's 82 something something, either 8.2Ω or 82Ω yet you measure 5.0Ω on the burnt part. Hmmm.
I would put in 82Ω and see how it...
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Forum: Troubleshooting & Designing Networks
08-05-2022, 10:16 AM
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Replies: 22
Views: 408
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Forum: General Electronics Technical Discussion
08-05-2022, 09:49 AM
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Replies: 63
Views: 1,213
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Forum: Troubleshooting & Designing Networks
08-04-2022, 01:36 PM
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Replies: 22
Views: 408
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Forum: General Electronics Technical Discussion
08-03-2022, 12:41 PM
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Replies: 63
Views: 1,213
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Forum: General Capacitor Questions & Issues
08-02-2022, 11:30 PM
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Replies: 3
Views: 113
Re: this look defective to you?
SamXon? :spank: It does look a little prego but some circuits won't provide enough power for a bad cap to really gas up and go really plump. I'd test it and outright replace that lousy brand anyhow.
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Forum: General Electronics Technical Discussion
08-02-2022, 11:26 PM
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Replies: 63
Views: 1,213
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Forum: General Electronics Technical Discussion
07-29-2022, 03:56 PM
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Replies: 63
Views: 1,213
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Forum: General Electronics Technical Discussion
07-28-2022, 04:54 PM
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Replies: 63
Views: 1,213
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Forum: General Electronics Technical Discussion
07-28-2022, 04:36 PM
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Replies: 63
Views: 1,213
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