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Roadblocks to actual electronics manufacturing (U.S.)
(I know this post is somewhat general, so I apologize in advance.) Can any of you that are experienced in electronics manufacturing give me some insight as to what major...
Sunday, 6 September 2009 - 19:00
Screwed the clock settings?
I have an ET-BASE AVR (ATMega128) board from Futurelec which I decided to program the fuses as: SUT1:0 - 11 CKSEL3:0 1111 CKOPT - 1 After doing this, it will no longer communicate...
Tuesday, 23 September 2008 - 02:36
ISR procedure length
Is there a limit to how large interrupt procedures can be (aside from the normal limits of flash RAM?) Reason I ask, is because if I seem to make it too long (for example on my...
Tuesday, 4 December 2007 - 17:20
Beating my head against the wall! Why doesn't this work?
ATMega48. Having some issues with boolean comparisons, I guess. This will work for the first state change, either going into programming mode or into calibration mode - but will...
Wednesday, 21 November 2007 - 18:43
Executing code stored elsewhere
Noob question: How would one go about executing code from a location other than the AVR's on-board flash memory (ie, a CompactFlash card or external flash chip). Is this possible...
Saturday, 17 November 2007 - 15:56
Schematic for a good AVR power supply
I was wondering if anyone has a good schematic for what a good AVR power supply should look like, assuming input from a noisy 10-15VDC source (like a wall transformer) along with...
Tuesday, 13 November 2007 - 15:37
ATMega48 - ADC0 (PC0) sinking 13mA current?
Any idea why ADC0 would sink 13mA current (verified on the STK500 LED port - LED0 lights up when the PORTC header is connected to the LED header) while the port should be...
Saturday, 20 October 2007 - 20:33
Where to get ATMega(xxx) Automotives?
Does anyone know if there are there ANY distributors that carry ATMega automotive versions? I can order an AT90CAN series from Digi-Key.... so you'd think they'd carry the Mega48...
Friday, 19 October 2007 - 19:24
Calling OP-AMP Experts!
NOOB WARNING!!! Okay, please forgive me, as I've NEVER used an op amp before. All I know about electronics, I've learned from reading the internet. I've had NO college training...
Friday, 12 October 2007 - 03:06
10-bit fast PWM help
Hello, I'm trying to use 10-bit non-inverting fast PWM (on an ATMega48) to generate output on OC1A. I'm also doing a 10-bit ADC (AREF is VCC) on one of the ADC inputs....
Thursday, 11 October 2007 - 16:21
Fried Mega48 runs fine in STK500 but not otherwise
Okay, I inserted my mega48 into my solderless breadboard wrong and accidentally put +5V to PD4 and GND to Vcc. Now, when I put the Mega48 in correctly, PD4 is the only pin that...
Saturday, 6 October 2007 - 07:25
ATMega48 - PORTB and PORTC only outputting 6 LSB's
What do I have to do to be able to use PB6, PB7, PC6 and PC7 as outputs? PORTD is the only port I've been able to get all 8 LED's to turn on (programming with on the STK500.) On...
Saturday, 6 October 2007 - 00:24

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