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Discussion Title Created date
KeyMatrix
Hi everyone. I have a fifty button matrix here and I have written some code to poll it. I am using an led to show that when a button is pressed the code is actually working. The...
Saturday, 16 February 2013 - 11:12
Audio out of OCR1A/OCR1B
Hi guys. Now my SD is working again (pull up on MISO was the key to success) I am listening to an 8 bit version of The Who's My Generation and its awesome. However.... I am using...
Saturday, 9 February 2013 - 17:31
fatfs, libm.a issues...
Hi Guys. So I asked Cliff for help in a pm, and he told me I would do better on the main forum so here goes. I have a simple application (relatively) that is supposed to access an...
Monday, 4 February 2013 - 19:36
multiple ADC's
hi guys Quick question. If you want to use multiple analog pins, do you set the ones you want to use at initialization or do you change the mux register values just before reading...
Sunday, 3 February 2013 - 10:48
this simple SD library
Hi guys, I came across this as I have been looking for a much more slimmed down version of sd card functionality and a) I wondered whether anyone had tried it, and b) whether...
Saturday, 2 February 2013 - 22:04
c++ and C for AVR's
Hi guys, So my C++ library is going well, but I am now thinking about what to do about interrupts and timers. Firstly due to the many different setups of timers, I am thinking of...
Friday, 1 February 2013 - 11:58
MY C++ library with an aim to use on the mega2560
Hi everyone. So I bought an Arduino Mega 2560. I was using it and started writing my own classes for it. And then I read about programming AVR's in the eclipse IDE. I have set...
Thursday, 24 January 2013 - 14:15
SD card initialization causing AVR(1284) to reset
Hi, I have used fatfs loads before, and am now coming back to it. I have attached a simple program that initializes an sd card, mounts the disk then tries to play a .raw file out...
Monday, 7 January 2013 - 19:29
pwm/pcm and CTC timer
Hi I am generating audio out of OCr0A currently, and I want to do the same out of another pwm pin, so that I can create stereo sound (only 8 bit but hey...) I was going to use...
Tuesday, 4 December 2012 - 10:07
code strangely looping around and around
Hi Guy, I have attached a complete program. It should connect to an sd card, and read an unsigned 8-bit mono.wav file from it then play it out of OCR0A. It used to do just that. I...
Saturday, 1 December 2012 - 18:54
Eagle part design.
Hi guys. I am trying to design the nrf24L01+ breakout for use in eagle, sparkfun obviously have all of their's available but not the generic one, designed by nordic. http://www....
Wednesday, 21 November 2012 - 21:14
Induction loop audio
Hi everyone. I am outputting audio from OCR1A (pwm) on a mega1284, passing it through a resistor and then to a 3.5mm jack for headphone connection. I have been reading around and...
Monday, 19 November 2012 - 18:36

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