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Problem with choosing pull-up resistors for TWI lines.
  All this talk of "real open-drain" amuses me. I've previously used Renesas µPD78F9418A where PORT5 was called open-drain.   It had useful pin characteristics like this...
Thursday, 4 June 2020 - 15:25
Why does it include debug info for one C file but not another?
An extract from your #1 code: uint8_t FAT8_WriteFileInfo(uint8_t ADevice, uint8_t AFileNo, uint8_t *AFileInfo) { return FAT8_IOFileInfo(FAT8_IO_WRITE, ADevice, AFileNo,...
Thursday, 4 June 2020 - 09:37
Scrolling Bitmaps
Did you investigate the hardware scroll ? the video looked excellent.   In #18 awneil Presented a google search as a link - that's not ideal because search results can vary...
Thursday, 4 June 2020 - 09:27
Atmel Studio 7 Fails to Install in Windows 7 32bit
  D:\Nigel\Downloads>dumpbin /dependents as-installer-7.0.2397-web.exe Microsoft (R) COFF/PE Dumper Version 14.16.27039.0 Copyright (C) Microsoft Corporation.  All...
Wednesday, 3 June 2020 - 10:04
Problem with pointers and semaphores for a multitasking scheduler (ATmega328p)
DoctorStrangeAndDeranged wrote: I don't understand what is happening.  Then get yourself a debugger, you'd have to be a programming genius to test & debug this level of...
Wednesday, 3 June 2020 - 08:57
Slowing dow nAc motor in a fan
Klemko wrote:I had x 140mm on my desk, but my boss said that it looked too "janky" If this is a fan at your employer's office, I'm not sure whether you should touch it, In many...
Tuesday, 2 June 2020 - 22:03
Slowing dow nAc motor in a fan
Klemko wrote:Or stop being fancy and jsut plop in a 10W high voltage 470ohm resistor  But then he'll have to cool that with a fan. - I suppose the 140mm PC fan he already has...
Tuesday, 2 June 2020 - 14:42
Atmel Studio 7 Fails to Install in Windows 7 32bit
nkeller74 wrote:Can you provide me with a link to the download please? No I don't have Microsoft links. My installing work was done while the Windows-7 update server was still...
Tuesday, 2 June 2020 - 14:39
Atmel Studio 7 Fails to Install in Windows 7 32bit
You could try the online installer it may install the missing dependencies. If that doesn't work you'll be faced with manually bringing your clean install up to some level of...
Monday, 1 June 2020 - 21:24
Problem with choosing pull-up resistors for TWI lines.
Let's ignore fall time for now because that would be controlled mainly by the TWI open-drain output transistor within AVR, the rise time however would be controlled more by bus...
Monday, 1 June 2020 - 10:31
Waiting for pin to go high
You failed the sanity check   You want a logical inversion. You wrote a bitwise inversion. while (!( PINB & KBD_CLK )) {}or the easier to read: while ((PINB &...
Sunday, 31 May 2020 - 22:27
Stimulus File Description/Definiton
Perhaps I should have been more explicit.   Atmel Studio has traditional browser based online help and in additional have chosen to use Microsoft Help Viewer. You can...
Sunday, 31 May 2020 - 15:04

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