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Lots of manuals
You can find a lot of manuals at the following site: http://bama.edebris.com/manuals/ The schematic diagrams provide a huge amount of tricks for the design of electronics.
Monday, 21 September 2009 - 09:52
ISP frequency must be 5kHz or above....
A operate a Tiny at 125 kHz. The only frequency available for ISP programming low enough with STK500 is 4kHz, but if I select 4kHz, the software complains: ISP frequency must be...
Wednesday, 26 August 2009 - 13:39
c-style for multiple exit code
This is general C, not GCC, but as GCC user I post it here. I have a packet of and and have to perform various computing steps and error checks. If one of the errors is detected...
Sunday, 2 August 2009 - 16:12
4..20mA or 0..10V outputs
Assume a sensor is powered with 24 Volts in an industrial setting and the user wants a 4..20mA or 0..10V output. Is it necessary to have the outputs galvanically isolated from the...
Thursday, 16 July 2009 - 20:01
HP/Agilent old service manuals online
Did you know that for some old instruments HP/Agilent has put the complete service manuals online ? For example: http://www.home.agilent.com/agil... For some that may be...
Thursday, 9 April 2009 - 08:50
info about volatile
For all the lovers of "volatile": http://www.cs.utah.edu/~regehr/p... The article covers some of the problems a compiler has to care about.
Saturday, 21 February 2009 - 14:45
LCD with HD44100 only
I found this LC-display which uses 3 drivers HD44100 and a 10-pin connector. Has anybody seen something like that and knows how to interface it ? I am currently too lazy to derive...
Wednesday, 18 February 2009 - 07:13
shiftregister cascade puzzle
In another thread we are currently trying to solve problems with cascading shiftregisters. In order to get some ideas and enhance the thinking I pose the following puzzle (picture...
Wednesday, 4 February 2009 - 12:07
tiny2313 BOD reset without cause ?
In my setup sometimes the BOD triggers and resets the CPU. I still have no clear picture why. I will try to describe my observations. Perhaps you can comment on it or you have...
Monday, 11 August 2008 - 19:34
solved: GAS (asm) section at fixed adr (WINAVR)
I want the following: A C-program (ok, I wrote it and it compiles, as usual under WINAVR,GCC). Additionally I want a table of 256 bytes at a fixed address. To get that I wrote a ....
Saturday, 9 August 2008 - 19:33
My son wants to get his PC "modded" and I had the idea to built a sort of propeller clock starting from a PC-fan. I am very bad with mechanical issues. And that's where I want to...
Sunday, 20 July 2008 - 16:23
Idea: help for clockspeed/UART problems
Often AVR users have problems with clock-settings and UART setting, or , as Clawson says: 99.9% of UART errors are AVRs not being clocked right What do you think of the following...
Tuesday, 26 June 2007 - 17:11