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DIN rails and diodes

I am building an industrial sensor system for warehouse and need to isolate some inputs using blocking diodes (simple r...
6 comments posted 11yrs
posted by not
6 comments posted 11yrs posted by not

www.cablesonline.com Warning

Hi, I bought two different 2.5" IDE extension cables from www.cablesonline.com and both had manufacturing defects with...
0 comments posted 11yrs
posted by jaugustine
0 comments posted 11yrs posted by jaugustine

Building a valve radio

Suppose a fellow wanted to build a valve (=vacuum tube) AM radio. Where might he find detailed instructions? -- Shall w...
8 comments posted 11yrs
posted by JustinThyme
8 comments posted 11yrs posted by JustinThyme

Someone has informations about

This?? http://thehackernews.com/2015/05/smallest-computer-chip.html --- news://freenews.netfront.net/ - complaints: snip...
1 comments posted 11yrs
posted by pasMois
1 comments posted 11yrs posted by pasMois

CMOS logic

By combining P channel and N channel MOSFET transistor, whole new digital technology, CMOS technology is obtained. Read...
0 comments posted 11yrs
posted by pchung705
0 comments posted 11yrs posted by pchung705

cable TV converter

Today I received a call that the cable company (Time Warner) is going digital. They have some converter boxes I can get...
6 comments posted 11yrs
posted by rmowery28146
6 comments posted 11yrs posted by rmowery28146

OT: Vintage engraved pushbuttons

usually bakelite, "Start" or "Stop" engraved with paint filled in the engraving of the letters. what's the technique for...
5 comments posted 11yrs
posted by see
5 comments posted 11yrs posted by see

Bipolar transistor simplest models

Even though mechanisms that makes bipolar transistor run are quite complica ted and there are many side effect to be co...
0 comments posted 11yrs
posted by pchung705
0 comments posted 11yrs posted by pchung705

Installing FTDI drivers?

I want to experiment a little with Arduino. Apparently I need to install FTDI scandal. (Who knows by sight which chips...
4 comments posted 11yrs
posted by invalid
4 comments posted 11yrs posted by invalid

Why is the fuse blowing?

http://i.imgur.com/tutmBjq.jpg Just had to share...
5 comments posted 11yrs
posted by invalid
5 comments posted 11yrs posted by invalid

"Backpan" or "backplane"?

A tech writer is asking me "backplane" or "backpan"? The use is in describing PLCs and the PCB the function cards plug...
3 comments posted 11yrs
posted by invalid
3 comments posted 11yrs posted by invalid

Op-amp Summing Amplifier

Good feature of op-amp summing amplifier is that there is direct current pa th provided from every input to the output....
0 comments posted 11yrs
posted by pchung705
0 comments posted 11yrs posted by pchung705