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PWM timing
I have been working on a project to make a 100 Hz sine wave output using fast PWM and a sine look up table in an ATtiny45.  The ATtiny45 is running on an external 3.276 MHz...
Thursday, 26 March 2020 - 16:43
Interrupt problem with tiny2313 program
Hello:   I am trying to get a tiny2313 to control a direct digital synthesis IC and also show the frequency on an LCD.  The frequency starts off at 5 MHz and this...
Wednesday, 14 January 2015 - 23:37
Pin change interrupt
Hello: I am trying to implement a pin change interrupt on an ATtiny2313A. The data sheet indicates that to do this bit 5 in GIMSK should be set and, to enable PCINT3, bit 3 in...
Wednesday, 9 January 2013 - 23:39
Studio 6 Assembly question
Hello: I recently downloaded Studio 6 to replace Studio 4.18 that I had been using. In order to learn how to use Studio 6 I have been reading through the Help section. In the "...
Friday, 7 September 2012 - 05:04
Using EEPROM
Hello, I have been working on a Morse Code keyer that uses EEPROM to store messages. It has three memories for these messages, and the number of characters to be sent in each...
Wednesday, 7 March 2012 - 17:49
LCD timing issue
Hello: I have been making a frequency counter based on an ATtiny2313A. With just the frequency shown on an LCD everything worked fine, but as soon as I tried to get any other...
Tuesday, 22 November 2011 - 18:37
Morse code keyer problem
Hello, For some time I have been working on a Morse code keyer for amateur radio. The keyer includes memory and an iambic function - that is, it will send a series of alternating...
Wednesday, 13 April 2011 - 05:24
data storage and retrieval
Hello: I have made a Morse code keyer using an ATtiny2313. The program for the keyer includes memories that will send pre-programmed messages when appropriate button switches are...
Thursday, 24 March 2011 - 16:41
LCD driver for ATtiny2313
Hello, I am trying to learn how to use an ATtiny2313 with a 2 line 16 character HD44780 compatible LCD. I have the LCD connected in 8 bit mode with PB0...PB7 connected to the D0...
Saturday, 13 November 2010 - 05:01
ATMega8515 and Dragon
Hello, I want to program an ATMega8515 using an AVR Dragon. The Dragon User Guide shows that this should be possible using ISP though it also states that "ATmega8515 Note: JTAG...
Friday, 22 October 2010 - 20:08
Dragon problem
Hello, I am having a problem with loading and debugging programs using a Dragon with an ATtiny2313 in a ZIF socket on the prototyping area of the Dragon. I started with ISP mode...
Thursday, 7 October 2010 - 17:23
Dragon troubleshooting
Hello, I have been trying to load a program into an ATtiny 2313 using Studio 4.18 and my AVR Dragon but when I click on "Assemble and Run" I get the following error messages:...
Friday, 24 September 2010 - 05:44

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