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ORCAD Query
Hi Everyone, I use Orcad Layout Plus for my PCB design. I have crated many PCBs with orcad over the years. However i had learnt orcad on my own. Recently i got a email from my PCB...
Wednesday, 26 August 2009 - 03:31
Mosfet Doubts
I had worked on some mosfets last year. Cannot remember the exact model no. Now i planning to use Mosfets in some LED driver circuit. The Mosfet im planing to use is the IRFZ44N....
Thursday, 20 August 2009 - 05:05
Bootloader issues
Hi everyone I am playing about with danni's bootloader for Attinys and Megas I have managed to upload the bootloader onto my Mega32 I have even managed to connect to the bootload...
Thursday, 23 July 2009 - 06:36
Desing a AVR based DC Power Supply( coding stage for PWM)
Hi Everyone, I am asking this question with reference to my previous posting regarding a switch mode power supply.. https://www.avrfreaks.net/index.php?name=PNphpBB2&file=...
Wednesday, 10 June 2009 - 14:56
Desing a AVR based DC Power Supply(Thinking Stage!)
Im Planning of building a AVR based DC power supply. for the sake of discussions let us assume that a output range of 5v-30v is required(lets call it V_Desired), Current not...
Tuesday, 26 May 2009 - 17:50
RGB Lighting
I have a maths problem guys. need some understanding I have a pot which i will read from the avr adc. I will keep this adc 8 bits long. When i turn the knob i want the the rgb...
Monday, 16 March 2009 - 06:46
OpAmp As buffer, single power supply, Which OpAmp to use?
Hi Everyone, I want to use a buffer(voltage follower) for one input before passing it to my Avr ADC. The Thing is i have a single power supply config( pin 4-GND pin 7-5volts. pin...
Friday, 6 March 2009 - 17:45
max232 Heating like hell!
I have started using smt components oflate. I am having a problem with my max232 ICs. They seem to over heat up nearly like a short circuit condition. I feel the unused port is...
Saturday, 28 February 2009 - 13:53
switch problems
i have a switch connected to a atmega32, one end of the switch to ground the other to a Mc pin. The switch is a normal domestic switch, but the wiring runs along with the normal...
Thursday, 25 September 2008 - 16:10
use ADC without external opamps
guys my analogue electronics is weak.. pls bear up i want to use an ADC to measure voltages in the range of 0.55 volts down to 0.044 volts with respect to ground. im using...
Friday, 19 September 2008 - 17:06
why are high impedance pins having voltage
I am trying to make some pins of my avr high impedance(portd.7 & portc). however these pins do have some voltage on them ranging for 4.5 to 2.5. if i connect a led betwwen...
Friday, 29 August 2008 - 19:07
please point me in the direction of some debounce code
Can some one gimme a link to some debounce code. im sure there should be some available here. but could not find. i confess i have not searched properly. I have a single switch...
Tuesday, 12 August 2008 - 21:47

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