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PCB--- sunny side up?
Twenty five years ago, when PCB was an more expensive undertaking (such as sending out for fabrication negatives), I'd put SMT parts on the top and sprinkle some on the...
Monday, 24 January 2022 - 20:25
Linear Tech and Maxim together now
Well, these original maverick analog competitors are together now:   https://www.electronicdesign.com...   Maybe I'll combine their databooks on one shelf!
Wednesday, 1 September 2021 - 16:08
How to make an isolation tranformer
You could connect 2 back to back & make a slightly inefficient (but extra insulated!) isolation transformer.     Split from:   https://www.avrfreaks....
Thursday, 5 August 2021 - 18:25
Rising chip prices are OK
They are still a good bargain
Friday, 28 May 2021 - 02:43
Magnet spots big trouble
  I've been working on something on/off for a while & have used a number of "Dupont" jumpers (against my common sense to just solder wires!!).   Noticed ...
Sunday, 18 April 2021 - 08:27
spi ideas for dual byte
I am upgrading a mega88 board to rcv some rather slow spi data (rcv as a slave, nothing needs sent).  The data has this protocol, from another device sending a...
Wednesday, 14 April 2021 - 16:46
AVR ISPMKII and tiny 808?
I have a genuine ISPMKII programmer. Does the ISPMKII support the tiny808 with UPDI?  I don't believe so, but want to check whether there is an update to allow...
Friday, 19 February 2021 - 16:21
Formed PCB and fan
  I had a bad fan & took it apart, thinking I might claim the ring magnet (it's pretty strong).   I was impressed at the complexity of the assembly....
Friday, 1 January 2021 - 19:24
LASCR anyone?
The recent posts about phototransistors got me remembering about working with LASCR's, maybe 30 years ago.  They are Light Activated SCR's & I used to make...
Sunday, 8 November 2020 - 05:47
Digikey---bad times??
I was ordering parts on Digikey & saw some new checkbox about marketplace items ...???  I asked the Digikey guy what that meant...he told me other people can now sell...
Thursday, 1 October 2020 - 17:35
Finding proper names
This is probably very simple, but seems rather perplexing.  I have an old mega asm2 program that I'm moving over asap to the mega4808. I can't find the bit...
Wednesday, 22 July 2020 - 05:33
Magic Wires--don't be fooled
I set down a magnet on my table.  When I picked it up, a bunch of jumper wires came with it...Strange, I thought.   Turns out about half the assorted ones I had,...
Monday, 20 July 2020 - 19:01

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