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Discussion Title Created date
About PCB
Hello,i would like to ask about the photoresistive boards,if there is a colour that does not affect the photoresist to use it as a safety light in the dark room while i prepare...
Sunday, 8 January 2012 - 18:04
Routine or a Macro
I would like to ask about the diferencies between a routine and a macro since the same think can be done with both of them and a macro seems more easier with the passed parameters.
Monday, 19 December 2011 - 19:11
Layout 10.5 Orcad
Hello i would like to ask if there is possible way in the layout orcad 10.5.0 a complete design with all its components,routed tracks,free tracks and text to copy and duplicate it...
Sunday, 16 October 2011 - 19:39
Parallel port on laptop
Hello to all,has anyone experience the lack of the parallel port on his laptop,and what other solutions might be available except the obvious,to keep the living without it with no...
Sunday, 21 August 2011 - 00:12
ADC based on an FPGA
Hello to all of you. Although there is a plenty of cheap analog to digital conveters of any bit resolution,as a good starting point getting started with fpga is to make an ADC....
Saturday, 26 March 2011 - 20:10
CRT vs LCD monitors
Hello to all of you. I just finished a simple vga test signal board which displays eight vertical colour bars,but not in any monitor type.It works in lcd type displays and not in...
Sunday, 13 February 2011 - 21:14
About Stack Pointer
I would like to ask about stack pointer in avr devices with sram.Is there any limitation in the number of registers that pushed on the stack while new callings inside a routine...
Monday, 27 December 2010 - 01:19
DAC controlled power supply.
Hello,i have a schematic of a power supply,its output is controlled from a voltage 0-5V and outputs 0-30V. Is offset trimmed but as output exceeds 7v the offset is getting higher...
Monday, 5 April 2010 - 19:22
A "cheap"? DAC
Hello freaks,this is an idea,i haven't try it yet. I want to make a reference voltage for a power supply better than 5mV.Using the 10bit fast PWM the resolution is about 5mV per...
Sunday, 7 February 2010 - 23:06
About Fast PWM
In fast pwm when timer reaches TOP then resets and starting from zero also the TOV1 flag in TIFR is set on the TOP value (overflow interrupt also).What i am doing wrong in the...
Thursday, 8 October 2009 - 00:23
Enhancing ADC resolution
In AVR121 document Enhancing ADC resolution by over sampling describes a technique that applies artificial noise in the signal or the reference pin that affects only 1-2 LSB in...
Sunday, 27 September 2009 - 20:01
about watchdog setting [using Codevision]
Hello to everybody.My question is about setting the watch dog timer in an ATMega 8 and the reset that causes. The code in C is: WDTCR=0x18; WDTCR=0x08;//16ms the reset interval i...
Saturday, 12 September 2009 - 18:38