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Circuit not functioning without avr isp mkII plugged in.
AVCC and AGND should be connected even if you don't use the analog peripherals. You can connect them together with the regular VCC and GND. Also, make sure you have some 0.1uF...
Saturday, 9 August 2008 - 21:40
Watchdog + powerdown
/* Set frame format: 8data, 2stop bit */ UCSRC=(1<<USBS)|(3<<UCSZ0); Is there a reason you are using 2 stop bits? While this may not be wrong, it is more typical...
Saturday, 9 August 2008 - 18:41
Watchdog + powerdown
This is what it looks like your program is doing: 1. Send "Program start !!!\r" over the UART. 2. Enables WDT for 2 second timeout. 3. Put MCU to power down sleep mode. 4. After...
Saturday, 9 August 2008 - 15:13
optimum tv antenna
zbaird wrote:Quote:I use a metal coathanger carefully shaped like Australia. It works well. If I want to get Italian TV I use a boot shaped coathanger. What do you get when you...
Friday, 8 August 2008 - 04:53
mega128 not returning from function call
Maybe it is a stack problem? Are you sure you have the correct device selected for compiling? Have you tried tracing the code in the simulator to see what happens?
Thursday, 7 August 2008 - 03:17
Can anyone tell me why this won't compile?
I just tried the following code: volatile int nSize1; volatile int nSize2; int main(void) { char* test; nSize1 = sizeof(test); nSize2 = sizeof(*test); return 0; }...
Thursday, 7 August 2008 - 02:42
Video capture
Quote:No way is GPRS going to deliver the bandwidth to stream 15fps QCIF even if it's H.264 encoded.The OP made no mention of real time streaming. The OP said, "the video is no...
Thursday, 7 August 2008 - 02:24
Problem using PD5 as GPIO on Atmega48
PD5 has other alternate functions beyond OC0B. It can also be T1 or PCINT21. As already suggested, try simplifying your code. Keep removing things until the problem goes away....
Wednesday, 6 August 2008 - 02:49
Announcing Smiley's Workshop in Nut&Volts Magazine
clawson wrote:emuler wrote:1234 Yes, I have no imagination. 4321 No imagination here either! I think you guys are on to something! I'll take 0x1234 = 4660.
Saturday, 2 August 2008 - 20:09
resets
Search the data sheets for the MCUSR register. This register can be read to determine the cause of a reset.
Friday, 1 August 2008 - 02:27
3x3 keypad
There are many ways in which you could ignore the zero values. On looking at your code again, it seems another issue would be when a key is pressed, the whole array will be...
Tuesday, 29 July 2008 - 03:17
3x3 keypad
if(pin==pass) You cannot compare two arrays directly like this. In C, when you use an array name without an index, you get a pointer to the first array element. Therefore,...
Monday, 28 July 2008 - 03:07

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