Nothing In Particular

[Dave the bass]

This page.... I'm like....



Top work, keep it, whatever it is you're going on about!

DIET! Dang, New page fail!

[ed]

Top work, keep it, whatever it is you're going on about!

did you mean 'keep it up' or was it a paraphrase of 'stuff it' ????

anyway, just looked at the xmegas, I had the data sheets in my chip directory but never read them..they look like a step up.
how are you fixing them?

soldering the 44a with the rework station??
how do you fix the 44m1 and 49c2?

[Nick]

I don't, I have used the xmega32a4u and careful soldering by hand on boards with solder masks. You can also get them on nice and cheap mini boards with the USB interface and a xtal on board.

I wondered if you meant that Phoenix, wasn’t sure. I can understand why a 1980 (guess) bios maker for intel chips would be biased towards assembler. TBH, its one of the nice things about the AVR it not in any way being related to a 8008 instruction set. Oh, and I dont think its unreasonable to assume that compiler optimisation has improved over the years as well.

[Mike H]

Cobol!





*runs away very quickly*

[Nick]

Cobol!

*runs away very quickly*

Been there, done it, sold software to MicroFocus.

[ed]

Cobol!

*runs away very quickly*

have you been looking up rude words on google again Mike?
for shame for shame

[Mike H]

[jack]

First job was programming in Fortran 4 level g on a Honeywell DP516, then on a Modcomp MAX 4....

Was on the ANSI C Committee, wrote a couple of compilers... Did a lot of assembler on many different platforms.... Architected some of the largest equity and derivative trading exchange systems in the world... mostly using C++ (millions of lines of code).

Nowadays, compilers are pretty good. The gcc/g++ variants are OK, but not great. They're not great at optimisation, have many nonstandard language constructs/features, slow and are extremely unwieldy when it comes to maintenance. Years ago worked on adding a port to those - because the backend now supports so many targets, the code is a mess.

The newer compiler frameworks based on Clang/LLVM are far far nicer to work with.

AVRs are nice mainly because of their sensible address space plus being cheap and cheerful, however like all such devices they are pretty power hungry. I mainly use MSP430s now - the switch to using 16 bit architectures is nice plus they are true micropower devices - I'm making IoT motes that idle on 12 microamps and run on a CR2032 for nearly a year and their FRAM makes eeprom largely unnecessary.

Agree about Arduinos. An AVR ATmega 328p with a butchered gcc compiler to support the wiring extensions to C++. Nothing wrong with that, but some of the libraries are shockers. Having said that, I've also seen some very good ones which have obviously been written by professional embedded developers. Boards are cheap though...

Now looking to get a ControlLeo3-based oven for board assembly...

[Ant]

this is cool, i got sent this today, i didnt make it. wish i had though
L.e.d zeppelin by anthony cresswell, on Flickr

[Michael L]

There's a very good reason why it's difficult to swat a fly. Fascinating

The answer is that, compared with you and me, flies essentially see the world in slow motion.
To illustrate this, have a look at a clock with a ticking hand. As a human, you see the clock ticking at a particular speed. But for a turtle it would appear to be ticking at twice that speed. For most fly species, each tick would drag by about four times more slowly. In effect, the speed of time differs depending on your species.

http://www.bbc.co.uk/news/science-environment-41284065

[ed]

error in link?
it adds new url to AT URL for me
but it's ok if you cut and paste it.

[pre65]

error in link?
it adds new url to AT URL for me
but it's ok if you cut and paste it.

Seems there is an Audio talk portion added to the front of that link, never had that before ?

Can't seem to cut and paste that link on Chrome.

[Michael L]

www.bbc.co.uk/news/science-environment-41284065

That's better

[Michael L]

Duplicate

[Dave the bass]

Does anyone have any idea what I could do with 21 Line Output/Flyback Transformers?

Any use to your HV chums Jack/NickdS?

I cant think of any use for them in an audio project and the hoarder in me can't just bin them.