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ATtiny2313: two LED on each I/O pin of PortB
I have to drive two LED for each I/O pin of PortB. Each LED (connected with catode to I/O pin through a 270 Ohm resistor) draws 10mA. Can I avoid to use a buffer (74HCT244 is the...
Thursday, 24 April 2008 - 08:15
Turn Butterfly in a ISP-programmer?
I own a Butterfly (gift from Atmel..thanks again Atmel). Was wondering if I can turn it in a ISP-programmer because my minimalist DAPA programmer is giving me some trouble. Thanks...
Thursday, 6 March 2008 - 09:20
warning: large integer implicitly truncated to unsigned type
../main.c:177: warning: large integer implicitly truncated to unsigned type The above warning happens at line 3 of the following code: #define R1 (1<<PB7) #define V2 (1...
Tuesday, 4 March 2008 - 20:18
Dragon, mkII or STK500
What's your choice as first programmer and why? Thanks for your suggestion.
Tuesday, 4 March 2008 - 12:53
ATtiny2313: I must disconnect PB7...PB5 to program it
I'm developing a simple light effect using an ATtiny2313. The I/O pins PB7(SCK), PB6(MISO) and PB5(MOSI) are configured as output and are connected to three LED (catode: they...
Saturday, 23 February 2008 - 17:36
WDT: timeout > 8sec?
How I can get watchdog time-out greater than 8s? I have some delay routine that go over 10...20s so WDT system reset would be immediate. Thanks in advance.
Sunday, 17 February 2008 - 19:03
Disable interrupts before I/O port setup
I installed ICC AVR demo and tried to make a new project with the wizard. The wizard place automatically in port_init() function a CLI() as first instruction, in order to...
Wednesday, 13 February 2008 - 19:31
avrdude: initialization failed, rc=-1
It is not a question, but just what's happened to me. I'm using a simple DAPA programmer. On the first PC all was fine. On a second PC I got the error: avrdude: AVR device not...
Wednesday, 6 February 2008 - 19:31
AVR programmers from China: replica?
The price seems to low: http://cgi.ebay.it/Mini-ATMEL-AVR-ATMEGA-STK500-USB-Programmer-ISP_W0QQitemZ230218474390QQihZ013QQcategoryZ4661QQrdZ1QQssPageNameZWD2VQQcmdZViewItem?...
Monday, 4 February 2008 - 23:20
Simpler programmer with 4 resistor
Was wondering if the following (simpler) programmer is STK200 compatible:
Saturday, 2 February 2008 - 22:07
AVR Microcontroller Survey Winner
Just received an email from AVR: Recently you filled out a survey from http://www.atmel.no/survey to help us improve our family of AVR® microcontrollers (MCU). To show our...
Thursday, 14 June 2007 - 19:28
The final decision:STK500 or Dragon
I'd like your advice about getting a new dev-board to start with AVR (use it with AVRstudio: Assembler, gcc, Codevision, Bascom). My decision is between STK500 and Dragon. Dragon...
Thursday, 22 March 2007 - 17:15

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