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needs what I would call an axial reed relay
I have a component on a board. It has a clear diode like jacket with a switch in side. This component is closed via a magnet. I need to replace one as it seem to no longer close...
Thursday, 7 April 2011 - 22:48
testing for high condition trick, stupid?
NOTE: for reference I'm working with a mega8 ( 328) This seems to work very well for me, but I have great concern that its not going to work in all cases. I know the best way to...
Tuesday, 22 March 2011 - 04:11
removing jitter from 1m ohm pots.
I here a few had some success just cleaning with alcohol. Here is a guide most people follow. http://www.atariguide.com/help/c... For me I find this never helps. IMO, its easier...
Tuesday, 8 March 2011 - 22:50
help reading a disc capasitor
I seem to be getting confused by the info on the net here. I have a disc cap that has: B 101 --- 101, is a underlined and the color is orange. I read this as 10pf but I certainly...
Saturday, 26 February 2011 - 19:13
atmega pins, do they have a small capacitance?
I was playing around with an idea to read a 0-500 ohm variable resistor. Normally one would use a 555 timer and charge a cap up. Recording the time it takes to do so gives you the...
Wednesday, 9 February 2011 - 17:32
mega8 pc6 usable with reset?
Would I be correct in saying the pc6 pin is out of order when reset is enabled? Thus, the only way to use it as input would be to disable reset? Furthermore, if I do disable reset...
Friday, 4 February 2011 - 02:41
messed up my ADC from mega 168 to 328? [solved]
I was using the ACD in my 186 for a project like so: #define ADC_VREF_TYPE 0x40 static int read_adc(unsigned char adc_input) { ADMUX=adc_input|ADC_VREF_TYPE; _delay_us(150...
Wednesday, 2 February 2011 - 21:47
burned a chip with RSTDISBL=0, how to revive?
I guess using the rest disabled fuse sort of locks you out. Is there a way to fix the fuses without a high voltage programming or pumping a square wave in this case?
Wednesday, 1 September 2010 - 00:42
fuses for atmega328p, use bootloader
I cant quite figure out what's going on here. I use a bootloader with my atmega 168 with fuses FC extended DD High DF Low When I try to match up the fuses for my 328p, the...
Monday, 30 August 2010 - 22:23
how to #define an asm loop
I want to do something like this. #define DELAY_1US asm("ldi r19, 3\n oneUS: \n dec r19\n brne oneUS\n"); but using my define more than once gives me the oneUS is already...
Friday, 11 June 2010 - 14:38
section of code to asm
Anyone know of a tool to convert a C file or section of code to asm?
Saturday, 15 May 2010 - 18:18
good resource for ATMEGA168 or 328's ?
I have seen ebay get as low as 3.50 a pcs for 168's and mouser get as low as 2.80 but never in stock. So far no-one carries 328's that I can find. Does anyone here know of a place...
Sunday, 11 April 2010 - 19:23