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[SOLVED] PORTC high causes crash
Hello, I'm using a mega 328p & gcc, also codevesion also 3 chips tried. To test my board i just set up a LED w/resistor to blink per the code below. The issue is whenever i...
Wednesday, 25 July 2012 - 01:07
[solved]Understanding macros w/CV
Hello, I wanted to write a macro to pulse an io pin in Codevision utilizing the provided bit level access CV provides. Why is it something like this works as expected #define...
Monday, 14 February 2011 - 16:29
[solved] external interrupt to digital signal
Hello, I know it's bad practice to read input from a mechanical switch via an external interrupt however I'm not sure what the consensus is for digital switches. In this case a...
Saturday, 22 January 2011 - 01:12
Where to purchase 1000 defused blue LEDs
Good (insert whatever period of day it is where you are here) everyone, I intend to build an 8*8*8 led cube and would like it to be blue however as we all know blue is not cheap....
Friday, 4 June 2010 - 20:53
16 bit access ?s
Mega168 & Codevision. I am using 16 bit timer/counter 1 to control a servo. While following a tutorial which utilized ICR1 as opposed to ICR1H & ICR1L I noticed CV does...
Wednesday, 28 April 2010 - 20:11
Apartment Entry/Intercom Panel
I told a friend of mine a have a go at building an IR remote interface for his mothers apartment intercom system. The company, who's name escapes me at the moment has changed...
Saturday, 24 April 2010 - 18:58
Loop stops ISR
Hello again, I'm working on a project that has several LED candles. One "candle" is lit at startup and a pushbutton is used to turn on additional "candles" one at a time then...
Friday, 16 April 2010 - 21:54
SPI SS pin ?'s [solved]
Hello, I am trying my hand at chip to chip communication using a pair of MEGA328Ps and SPI. I came across one thing that is not clear to me. Per the data sheet; Quote:When the...
Monday, 5 April 2010 - 20:09
intentionally noisy ADC readings
Hello all, I'm fairly sure I saw a similar post in the past however I can't seem to find it. I am using ADC readings to seed rand on a project and was wondering how to make the...
Saturday, 6 March 2010 - 18:30
define vs constant
general question In reference to a numerical value what are the advantages/disadvantages to using a define vs a constant or vise versa, is it just a matter of preference? I know...
Monday, 1 March 2010 - 01:18
best wireless method for this application?
Hello all, A friend of mine recently had auto start installed in his car however there is no feedback as to whether or not the car started on the user's end of things. He asked me...
Friday, 5 February 2010 - 19:54
Timer ISR question
Hello, I was working on a project using a 4 digit 7 segment LED when I came across a post in which a timer interrupt was used to refresh the display. I incorporated that into my...
Wednesday, 20 January 2010 - 05:26

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