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Tektronix 465 or Tektronix 2430A Oscilloscope?
I was looking to buy an oscilloscope to help debug signals on my AVR projects. My maximum signal frequency would be 20 MHz. I think I am getting close to making a decision with...
Thursday, 12 February 2009 - 18:09
Question about INT0 in Attiny461. (Hardware related)
I am using a simple PIR motion sensor from Parallax: http://www.radioshack.com/product/index.jsp?productId=2906724 When it senses motion, it outputs a pulse for about 2 seconds of...
Tuesday, 20 January 2009 - 23:57
12V relay using a 5V NPN transistor to turn it on.
I was having some troubles using a NPN transistor controlling a 12V relay. I connected my circuit as in Figure A: V+ is 12V and the input to the base of the transistor is 5V or...
Monday, 19 January 2009 - 01:44
How does the Raven Eval Kit work? (thinking about buying)
I have an STK500 and am interested in doing some wireless tinkering. I saw the Raven evaluation kit but had some questions that I was not able to find on Google. 1. Can the...
Wednesday, 17 December 2008 - 21:28
Question about UART, using TX433 and RX433 wireless modules
I wanted to start working on a simple wireless project. For example, I will use two microcontrollers, separated by about 10-15 feet. When I push a button (connected to the first...
Monday, 15 December 2008 - 22:47
ATMega168, PortB6 and B7 not working?
I picked up an ATMega168 and tried writing a very simple program: #include int main (void) { while(1) { DDRB = 0xFF; // PORTB set as outputs PORTB = 0x00; // PORTB turns...
Sunday, 7 December 2008 - 08:57
Newbie help using 2x16 LCD, ATMega164P, AVR-GCC and STK500.
Hello, I was trying to use a 2x16 HD44780 LCD but wasn't having much luck. I have my hardware set up as follows: GND -> RW of LCD PORTA2 -> RS of LCD PORTA3 -> E of LCD PORTA4...
Thursday, 4 December 2008 - 08:04
How to use Stripboard?
I recently bought some stripboard to start my first AVR project. I noticed the rows aren't connected electrically like a breadboard. For example if I put my ATmega8515 in the...
Tuesday, 25 November 2008 - 03:19
Messed with the fuse bits, did I fry my chip?
I am using an STK500. I purchased an ATmega164 and a 20 MHz crystal (http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail?name=X195-ND) and put the OSCSEL jumper to pins 2...
Monday, 3 November 2008 - 06:11
Bought an STK500 and have some general newbie questions.
Hello, I went out and purchased an STK500 to learn all about microcontrollers as a hobby. I decided to go with Atmel mainly because of this forum and how helpful the people...
Monday, 27 October 2008 - 06:51

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