2mm Pitch connectors.

Started by amdx in sci.electronics.basics1 year ago 1 reply

I was just tired of seeing the 1.8MM pitch connector subject line, so I changed it. ...

I was just tired of seeing the 1.8MM pitch connector subject line, so I changed it.                                                         Mikek -- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus


1.8mm Pitch Connectors

Started by Bret Cahill in sci.electronics.basics1 year ago 3 replies

2.54mm connectors are easy to find. Is there anything off the shelf for 1.8mm?

2.54mm connectors are easy to find. Is there anything off the shelf for 1.8mm?


Toyoda Is Playing the Industry Like A Vegas Poker Chip

Started by Bret Cahill in sci.electronics.basics1 year ago

Toyota has thousands of patents on solid state batteries. Japanese material scientists are second to none. This dog and pony show needs to...

Toyota has thousands of patents on solid state batteries. Japanese material scientists are second to none. This dog and pony show needs to come to an end. https://www.wsj.com/articles/toyotas-chief-says-electric-vehicles-are-overhyped-11608196665


Audio Attenuator

Started by Chris M. White in sci.electronics.basics1 year ago 6 replies

Hi guys, I have an old vintage HP audio osciallator which I want to use for some experimentation to get more practice in electronics. Its...

Hi guys, I have an old vintage HP audio osciallator which I want to use for some experimentation to get more practice in electronics. Its output is continually variable between 4 and 20 volts. Problem is, for some experiments I have in mind, I need it to output only between 1mV and 10mV. The oscailator's output impedance is 600 ohms it states. Can anyone suggest a simple passive attenuator...


Cheap Chinese rubbish

Started by Commander Kinsey in sci.electronics.basics1 year ago 63 replies

An LED striplight. After 1 month, BANG! A puff of smoke and a hole blown in the side of it. What I think used to be an inductor has exploded...

An LED striplight. After 1 month, BANG! A puff of smoke and a hole blown in the side of it. What I think used to be an inductor has exploded with enough force to rupture the casing. Funny thing is, it continued to work for a day, and now works if I tap it. https://i.imgur.com/U1AxIet.jpg


Word for making a bad connection?

Started by Commander Kinsey in sci.electronics.basics2 years ago 18 replies

What's the word for connecting something live and causing the connection to make and break several times rapidly, possibly damaging the...

What's the word for connecting something live and causing the connection to make and break several times rapidly, possibly damaging the equipment? -- Sent from my iPhone, this spam courtesy of Apple incorporated.


It May Be Time For A Coure In Basic Electroics

Started by Jeff Urban in sci.electronics.basics2 years ago 1 reply

Yup, I have seen them teach things wrong for decades. The students don't grasp the ideas the way they do it. Who agrees ?

Yup, I have seen them teach things wrong for decades. The students don't grasp the ideas the way they do it. Who agrees ?


Automated Power Cycle

Started by ABLE1 in sci.electronics.basics2 years ago 3 replies

Hey all, Has anyone used or installed a 120volt power relay that would allow for a 23 hour 59 minute on time and a 1 minute off time that...

Hey all, Has anyone used or installed a 120volt power relay that would allow for a 23 hour 59 minute on time and a 1 minute off time that would then repeat the cycle?? The desire would be to have a remote device do a daily reboot without human intervention. I know I can build one to do the job but I was wondering if someone knows of a device that would be off the shelf available to ju...


Non-thermal microwave injuries

Started by bob prohaska in sci.electronics.basics2 years ago 3 replies

When the first reports of diplomats at the American Havana Embassy falling ill were caused by microwave injuries it seemd quite implausible. Now...

When the first reports of diplomats at the American Havana Embassy falling ill were caused by microwave injuries it seemd quite implausible. Now it seems more incidents have emerged, and the Frey effect, discovered in the early 1960's, at least indirectly supports the idea microwaves can have lasting non- thermal effects on humans. The article is at https://www.nytimes.com/2020/10/19/us/polit...


Help required with 22V10 - Using a pin as Input an Output

Started by Dave Hitchins in sci.electronics.basics2 years ago 1 reply

I'm having problems with the SDA part of an IIC implementation in a AMD 22V= 10C (not from China!). I can Output data, to the SDA output, but I'm...

I'm having problems with the SDA part of an IIC implementation in a AMD 22V= 10C (not from China!). I can Output data, to the SDA output, but I'm not ab= le to read the SDA input! My CUPL equations, as a whole, compile OK using W= INCUPL and the .JED file programs OK. These are the intermediate declarations: FCD7=C2=A0=C2=A0=3D !nPFC & A7 & A6 & !A5 & A4 & !A3 & A2 & A1 & A0; SCLH=C2=A0...


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