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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |