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common programing mistakes
Also got burned once by someone who was trying to translate my AVR asm code into C who managed to assume that all 'jmp's were logically equivalent to 'call's, which, after only a...
Monday, 16 August 2021 - 02:39
common programing mistakes
Throw in another one, although it's an oddball:  Re-initializing the loop counter variable inside the loop.   I've gotten burned by that one.  S.
Monday, 16 August 2021 - 01:53
When a button is pressed, how long is it typically held down? (debouncing question)
Here's a sample MIT license:   {{   Terms of Use: MIT License   Permission is hereby granted, free of charge, to any person obtaining a copy of this   software...
Saturday, 14 August 2021 - 22:41
When a button is pressed, how long is it typically held down? (debouncing question)
avrcandies wrote:  you should not need any additional debouncing.  You should only need to debounce if you'll sample multiple times withing the bounce time (which is...
Thursday, 12 August 2021 - 00:00
When a button is pressed, how long is it typically held down? (debouncing question)
gchapman wrote: (key press then a simple response like a very short beep or even simple tactile response that's the key's mechanical motion)   THIS.  Give the user some...
Wednesday, 11 August 2021 - 23:55
Serious Toroid power transformer giveaway Part II
No, actually.  I have a couple of local favorite junk stores, and CHA was not among them.  "All Electronics" and another scrap shop...  S.
Friday, 6 August 2021 - 19:39
How to make an isolation tranformer
My bench has two cheerful brick-like transformers back-to-back.  Works fine (for what I ask them to do, which isn't much).  The 'scope and meters are well-isolated too...
Friday, 6 August 2021 - 15:53
Serious Toroid power transformer giveaway Part II
Unfortunately, I have a fair pile of things like that myself, and equally not much use for them.  Of course, if I do dump them, it won't be two weeks before I go "Ack, these...
Friday, 6 August 2021 - 15:37
Home Automation, what do you recommend?
WayneZA wrote: and more needed to be purchased   And therein the bug in the software was identified.    S.
Wednesday, 21 July 2021 - 22:09
Triac Circuit Advice for Zero Crossing
I do zero-cross with relays, too.  Makes the relays happier (for basically the same reasons).  S.
Friday, 16 July 2021 - 00:39
PCB footprint options?
ka7ehk wrote: For through-hole (especially DIP), some like oval pads which makes it easier to get a trace between the pads, and some like robust square pads.   I've always...
Sunday, 11 July 2021 - 23:58
Summer Heat Autoprogrammer Treat!
In I'm.  S.   (did I do that right?)
Saturday, 3 July 2021 - 06:39