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uController & RS-232

(25)
Thank Howard. I did end up getting lucky. I dug through all my back up HD and found the file in one of them. I didn't have to read the floppy. I can see why
Jong Kung
25
posts
10:10 PM

LED Stakes: Gold Plated Battery Contacts Holders

(7)
Three comments. 1. Dielectric grease 2. Coat holder contacts with lead solder. 3. Lithium batteries are supposed to do better in cold temperatures. Amend our
Gooey Tarballs
7
posts
8:56 PM

Multifunction Portable Vehicle Power

(19)
... Those are still pretty common, I think. ... I think they probably rely on the resistance of the wire to limit things. Most lighter sockets are also
Roy J. Tellason, Sr.
19
posts
5:16 PM

RF attenuation methods?

(5)
You can get keychain RFID tags, but you'll have to have a high powered reader that can read across a doorway. I don't see that as an insurmountable problem. A
alienrelics
5
posts
11:07 AM

Mains series bulb troubleshooting technique

(8)
A thorough and most helpful dissection of my question. thank you paul. cheers, dave -=-=-=-
DaveC
8
posts
Mar 29

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

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
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