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Multifunction Portable Vehicle Power

(8)
Erik wrote; "Second, it seems doubtful such a small battery could deliver 75 amps to crank a car engine for more than a couple seconds without melting," I too,
miktrain
8
posts
3:02 AM

Mains series bulb troubleshooting technique

(6)
Other Howard, or use two 120 V bulbs in series. As they are more available. Same with the 24V, use two 12 volt lamps. Larry ... From:
lbeaty
6
posts
11:48 AM

Low voltage reverse current protection

(14)
Good news. Thanks for the update. Donald. ... [snip]
Donald H Locker
14
posts
Mar 27

Questionable Motion Sensor Circuit

(4)
Hello Gooey, A motion sensor uses very little power. Perhaps as low as 1 watt. A pessimistic amount is 2 watts. f it is energize all of the time a motion
Howard Hansen
4
posts
Mar 23

Op-amp Summing Amplifier

(15)
... NOT an OTA. The OTAs I'm familiar with are the 3080, 3094, LM13600 and LM13700, if I'm remembering those last two right. Very popular parts in music
Roy J. Tellason, Sr.
15
posts
Mar 19

Labeling Wires

(10)
Hi Guys, We have been using Grafoplast cable and core markers since the early 1980s, prior to that we use a brand called Critchley. We migrated to Grafoplast
Larry Parkes
10
posts
Mar 15

precision voltage reference w/out precision instrumentation equipmen

(19)
Don't get me wrong, when I spoke against cannibalizing, I was talking about electrolytic capacitors in general and about the ones from a few years ago that
Paul Alciatore
19
posts
Mar 11

How would you do this?

(12)
I actually make and sell an IR receiver that works with TV and other IR remotes but I would not recommend IR for this. The range would be questionable and any
Paul Alciatore
12
posts
Mar 11

lm317T as smd how big of a ground plane

(6)
In article , gebowes@yahoo.com [Electronics_101] ... I rather suspect that trying to solder
lists
6
posts
Mar 6

February Circuit Cellar Challenge

(7)
A LTspice example for evaluating a 7805 input capacitor filter size has been uploaded to this groups Temp_Spice folder, The name of the file is Temp.7z. To
Howard Hansen
7
posts
Mar 4

Is there a preamp needed to achieve it ?

(3)
Thank you Andy. Your remarks are most useful. Then I might have the pleasure of making an amplifier after all. :) Now I know what I have to look for.
gillesasselin11
3
posts
Mar 4

Op-amp differential amplifier

(5)
"Was there something earlier that I am missing. What is the point?" I think Patrick Chung is the owner of http://www.cirvirlab.com/, and he periodically posts
Andy
5
posts
Mar 3

Search for Latching Pump Control

(5)
Randy...Thanks for the feedback. OEM pump still works, but internal check valve function is worn out. Though the head is rebuildable, parts are no longer made
sheldon.dedek
5
posts
Mar 2

Car alternator toasted—twice!

(77)
"Ideally, you use as little of it as possible." It also drys out. If you have a high value asset, that's in a heavy use, it pays to go in, and re-pack the
fmfvt
77
posts
Feb 26
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