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Discussion Title Created date
PWM interrupts
Hi Freaks, What interrupts are generated when OCR value is reached in fast mode PWM? I am trying to use fast mode PWM and during the ON time (which is decided by OCR value), I...
Monday, 18 May 2009 - 19:47
solder gun and speaker
Hi Freaks, When I was trying to solder some wires to a speaker's terminals, I could hear a hum in the speaker. Was that 60Hz frequency hum from the solder gun coupled into the...
Sunday, 17 May 2009 - 03:08
2N2222 use?
Hi Freaks, I am trying to drive a speaker from M48. I am using PB0 to send an ON/OFF pulse to my speaker. The speaker is 16 ohms. However when connected, the speaker does beep but...
Saturday, 16 May 2009 - 15:54
Sensor for object locking
Hi Freaks, Is there any design out there that locks a camera focus to a moving object? I thought about this when I was taking some pictures of a bird and the bird flew away and I...
Saturday, 16 May 2009 - 04:10
solar panel
Hi Freaks, Among all the different compounds used for making solar panels which one has the highest solar power to electrial power conversion ratio for a given size? I am looking...
Friday, 15 May 2009 - 18:55
board makers
Hi Guys, Does anybody know any PCB makers for prototyping? I am looking for some companies that make cheap 4 layer boards which are less than 1 inch square in area; quantity about...
Tuesday, 12 May 2009 - 06:55
Simple LCD code and M48 again!!
Hi Freaks, I have been trying to get my LCD working for a long time. I am using the simplest possible setup. I am using Johann Ekdahl's code as follows: /* Simple LCD...
Saturday, 9 May 2009 - 01:16
Piezo question
Hi Freaks, I am planning to drive a piezo directly from my Attiny24 digital o/p pin. All I am looking for is a simple low current(but loud) piezo speaker. I am thinking of using...
Friday, 8 May 2009 - 15:27
Tutorials/info on SMPS,DC-DC converters
Hi Guys, Does anybody know any good tutorials/links on designing and testing high power SMPS and DC-DC Converters? Thanks.
Thursday, 7 May 2009 - 01:26
Sound greeting cards
Hi Freaks, Anybody knows how those greeting cards with sound work? I cracked one open the other day (given to me by my wife; wife wasn't too happy but that's a different post) and...
Tuesday, 5 May 2009 - 13:15
How to confirm which clock source the AVR is using?
Hi Freaks, I programmed my M48 with an external crystal setting in AVRStudio and I am using an 8MHz crystal on my breadboard. What is a good and easy way to verify if it is using...
Monday, 4 May 2009 - 03:53
Testing optimization for AVR GCC code
Hi Freaks, I was reading the AVR035 app. note for efficient C code for AVR's and read that you can compile on a module by module basis for a full speed optimization to see if you...
Saturday, 2 May 2009 - 22:36