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Newbie with interrupt: Can't compile.
Hi, Below is my code and the compilation errors. I know missing certain Makefile flags. This is for the ATMEGA8, by the way. Any tip/pointer would be appreciated. In fact, any...
Saturday, 16 May 2009 - 18:11
Stablizing LED matrix output without flickering...
Hi all-- Here is a question from my forever LED matrix project. And this is a long-shot, but if anyone has experience with LED matrix, greatly appreciate it for tips/suggestions...
Sunday, 10 May 2009 - 08:27
Power question with 9V batteries
Hi all-- I have a 5V circuit that drives 128 LEDs using a 9V battery connected to a 7805 voltage regulator. Below are my observations--some newbie questions. After long usage and...
Monday, 4 May 2009 - 07:12
Sound chips that also have SMD format
Hi, I have been searching in vain for a sound chip that can be used to generate variety of sound effects, e.g., arcade sounds, but all I could find are old stuff, e.g., Yamaha and...
Saturday, 25 April 2009 - 09:04
Where can I find those cheap calculator type LCDs?
Hi, I found some on mouse.com, but they are not cheap. If anyone knows of any place to can go to, would be great to know. Basically, I am looking for the cheap LCDs that support...
Wednesday, 22 April 2009 - 09:00
Good SRAM chips and/or tips for AVR (ATMEGA8 and so on)?
Hi, This is a bit of a general question, but I have done research and saw an article here (https://www.avrfreaks.net/index.p...) about interfacing SRAM to an AVR, but it's rather...
Tuesday, 31 March 2009 - 17:04
Generating arcade sounds or simple music with ATMEGA8. How?
Ok, I did some research and found: 1. I can build a 5/6-bit R-2R DAC or use an 8-bit readily made DAC, although appreciate it if anyone knows of a PDIP DAC to recommend....
Thursday, 26 March 2009 - 22:14
Part two: help on 74HC595 driving 8x8 LED MATRIX
Hi, First of all, my apologies for not having drawn up a diagram yet. In my previous post (see here), I successfully drive 8x8 LED matrix using one 74HC595 to drive common anode...
Monday, 9 March 2009 - 04:59
Help with the 74HC595 driving 8x8 LED matrix
Hi, I am able to hook up and control the 8x8 matrix led with an ATMEGA8 and the ST M74HC595, which can gives 8 output at once. I am hoping people here have some HC595 experience....
Saturday, 28 February 2009 - 11:56

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