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Digikey---bad times??
Scroungre wrote: jgmdesign wrote: jfiresto wrote:They must have had you in mind: you need only check the Exclude box.   I don't see such a box....then again, I am not looking...
Friday, 2 October 2020 - 15:28
Digikey---bad times??
avrcandies wrote: 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...
Thursday, 1 October 2020 - 18:05
Sometimes the problem is in the breadboard
Thank you guys for your thoughts about silver on gold. I have seen oxide transfer from tin-plated finger contacts to gold-plated header posts, under dry conditions. This was,...
Sunday, 19 July 2020 - 13:39
Sometimes the problem is in the breadboard
A few years back, I chanced to receive a new/old-stock AP Products breadboard with gold-plated contacts and gold-colored base plate. I have hesitated to use it with my usual hook...
Saturday, 18 July 2020 - 10:35
CD4026 based timer clock - how to reset the clock at startup and on demand
I wonder if this standard was drafted to accommodate "religious" differences.
Saturday, 18 April 2020 - 19:34
CD4026 based timer clock - how to reset the clock at startup and on demand
avrcandies wrote:... I found this interesting comment on the web:   There is no “New Standard” for showing the connection of two wires (lines) that cross. The Rule is that an...
Saturday, 18 April 2020 - 17:35
fastest ever AVR bit-bang UART: 2 cycles/bit
I came that close to calling his code a UAT, but I wanted to give him a chance to produce his R.
Thursday, 9 April 2020 - 19:24
fastest ever AVR bit-bang UART: 2 cycles/bit
What does the serial receive code look like, the R in your UART? It would have the triple-sampling/majority-voting, if you are game for that.
Thursday, 9 April 2020 - 19:07
fastest ever AVR bit-bang UART: 2 cycles/bit
ka7ehk wrote: A "real" UART samples the incoming data multiple times during each bit and, from what I recall, uses "majority" to determine the state of that bit....   The...
Thursday, 9 April 2020 - 18:36
gcc unwanted loop hoisting?
ralphd wrote: jfiresto wrote:... For your amusement, here are the changes it makes to the .s files of a ca. 1K ATtiny24 application: [butler:trunk/Firmware/AVR]% make avr-gcc-3.4...
Monday, 16 March 2020 - 15:29
gcc unwanted loop hoisting?
ralphd wrote:... Given how bad avr-gcc is, I've actually considered writing an optimizing recompiler for binaries.  While it would be fun, I'm starting to think I'm wasting...
Sunday, 15 March 2020 - 11:49
PWM Duty Cycle
It is because fully off (in non-inverting mode) or fully on (in inverting mode) is a 257th possibility that the compare units (in full, 8-bit mode) can not specify. Consider non-...
Tuesday, 28 January 2020 - 20:49

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