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hevans1944
replied to the thread
Newbie Advice Needed Please
.
Hmmm. Yet another drive-by poster who is only looking for a "quick answer" and is unwilling to enter into a discussion. If I were...
Jun 28, 2026
hevans1944
replied to the thread
RF-ID advice needed
.
The key parameter that you need is the position of the train: "...when a train enters & leaves an area", An RF-ID will NOT accomplish...
Jun 28, 2026
hevans1944
replied to the thread
issue with homemade DC motor + hall effect sensor
.
The A3144 has an open-collector NPN transistor output. This needs to be directly collected to the MOSFET gate input and pulled up with a...
Jun 28, 2026
crutschow
replied to the thread
How is coating wear on ESD tweezers typically assessed in production environments?
.
What is the purpose of this "anti-static" coating on the tweezers since they are made of conductive metal? Does the lack of it affect...
Jun 26, 2026
Martaine2005
reacted to
bertus's post
in the thread
Suitable replacement for a large Siemens capacitor in an old IBM XT power supply
with
Like
.
Hello, The datasheet i posted shows wich pin is positive and wich pins are negative. Even an axial capacitor would be possible to use...
Jun 26, 2026
davenn
replied to the thread
Suitable replacement for a large Siemens capacitor in an old IBM XT power supply
.
well, if we cant seen the pins (even whilst it's still on the board) - then it's very difficult to help you
Jun 26, 2026
A
alfredthegrape
replied to the thread
Suitable replacement for a large Siemens capacitor in an old IBM XT power supply
.
@bertus: Unfortunately the cap you mention is an axial component, and I require a radial one. It looks as though I'm going to have to...
Jun 25, 2026
EdwardShone
posted the thread
How is coating wear on ESD tweezers typically assessed in production environments?
in
General Electronics Discussion
.
I’ve been working with ESD protection practices in electronics manufacturing environments, particularly around static control programs...
Jun 25, 2026
C
CHINH NGUYEN
replied to the thread
Dual-Output (Step-Up/Step-Down) DC-DC Converter via Shared Inductor Loop
.
Dear community, To prevent any confusion and to provide a comprehensive view of this topology, I have updated the main schematic in...
Jun 25, 2026
K
Kieu Vu
posted the thread
Hidden Gems: Lesser-known but surprisingly useful components — share yours!
in
General Electronics Discussion
.
Hi everyone! I'm fairly new to electronics and have been trying to keep up with what's out there beyond the usual Arduino shields and...
Jun 25, 2026
C
CHINH NGUYEN
posted the thread
Dual-Output (Step-Up/Step-Down) DC-DC Converter via Shared Inductor Loop
in
General Electronics Discussion
.
Logic Architecture: Synchronous Rectification: and operate in perfect synchronicity, sharing the same gate drive signal ()...
Jun 25, 2026
A
alfredthegrape
replied to the thread
Suitable replacement for a large Siemens capacitor in an old IBM XT power supply
.
@davenn: The cap is still on the board as I don't want to start removing components before I have replacements to hand, so pictures of...
Jun 24, 2026
hevans1944
reacted to
Harald Kapp's post
in the thread
JK Flip-Flop Toggles Twice from One Button Press
with
Thanks
.
very much likely insufficient debouncing possibly, but not necessarily definitely Here's a comprehensive text on debouncing.
Jun 24, 2026
hevans1944
replied to the thread
JK Flip-Flop Toggles Twice from One Button Press
.
I just now found one of my missing "round tuits" and read the paper linked to in @Harald Kapp's first response. Very nice analysis of...
Jun 24, 2026
hevans1944
reacted to
Harald Kapp's post
in the thread
Anyone identify this connector?
with
Wow
.
Before soldering, You can try this hack. Insert the Cable: Carefully slide the ribbon cable into the FPC connector. Shim the Cable: Cut...
Jun 24, 2026
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