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Precise package layout in Eagle
I am making a flash/debug cartridge for my Game Gear handheld of yore. I am making my own PCB for this and I need to, of course, lay out the edge connector in the CAD software. I'...
Monday, 22 December 2008 - 07:12
Picking a Hakko soldering station
So I think that I have decided upon buying Hakko for my soldering station. I am now left with the dilemma on what station to buy. I was wondering if I should go for the "...
Saturday, 23 August 2008 - 07:02
OBD not responding on a Honda ECU
I'm working on a small LCD milage indicator that will receive its info via the ODB II interface on my car. To ease the development, I bought a 99' automatic Civic ECU off of ebay...
Friday, 11 July 2008 - 03:56
UCSR0C not getting set
I'm trying to use the UART0 on a Mega162 but I'm having problems setting UCSR0C. Here is my UART initialization function: void uart_init(void) { uint8_t tmp;...
Tuesday, 19 February 2008 - 19:08
Electret mic output
What does the output of an electret mic look like? Assume it will be configured as shown in this first schematic. Is it centered around VCC/2 and varies above and below according...
Thursday, 6 December 2007 - 04:50
Compact displays?
I need a compact display for my CarPC. The display is going to be situated directly below my radio, so the text has to be large enough to be easily (I'm going to be driving) read...
Sunday, 30 April 2006 - 21:26
How does an electret mic work?
Not so much as how does it work, but how do you measure the output? I have built this basic powering circuit but when I hook it up to a mutlimeter, the voltage just drops to 0 as...
Monday, 20 February 2006 - 11:49
Timer troubles (signed vs unsigned?)
I'm having trouble getting this timer code (adapted from the OSCCAL function in the butterfly gcc code). It doesn't really seem to go at all when I call it with 50000 (...
Tuesday, 31 January 2006 - 03:12
Total PWM n00b.
I've looked at Atmels site, the academy, and Google but I could not find a site that had a simple example of a PWM driving a LED or speaker at a set frequency. There were tons...
Friday, 20 August 2004 - 02:51
gets() problems
int main(void) { // Program initalization Initialization(); fdevopen(Usart_Tx,Usart_Rx,0); printf("Hello, world!\n"); char *string; for (;;) { gets (...
Tuesday, 10 August 2004 - 22:09
Problem with a simple UART program
I tried porting this simple program that echos a character sent over the UART from GCC to IAR. I have attached my attempt. It recieves the character fine, but it doesn't get...
Thursday, 29 July 2004 - 00:29
HA! I've been struggling too! I'm trying to display a random number that is determined on the start of main to the screen. It is FREAKING RIDICULOUS that it is this hard to even... Tuesday, 6 July 2004 - 20:26

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