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ATINY87 failures in production
Hi, We have a series of 5mm LED display boards that use the ATTINY87.  This series of boards has been in production for about 1.5 years.  In the past 3 days, we have had...
Thursday, 11 January 2018 - 15:42
Xmega Newbie question: timer overflow
Hi, I’m having a little issue getting the timer overflow interrupt operational using ASF. I have an Xmega-E5 xplained board.  The “LED chaser” example program loaded up,...
Friday, 7 August 2015 - 18:21
atxmega256A3U vs. atxmega256A3 fuse settings for BODLVL
Xmega ‘noob here.    I have an atxmega256A3AU part on a board running at 3.3V with a 12Mhz crystal.  My Atmel studio is version 6.2.1502, service pack1. ...
Wednesday, 14 January 2015 - 16:22
ATTiny4313 DIP legs breaking off
My apologies if this has been discussed before. About 6 months ago, production switched from using a 20 pin DIP ATTiny2313 to a 20 pin DIP ATTiny4313.  There have been some...
Friday, 5 September 2014 - 16:05
Atmel Studio F5, device programming not working correctly
I seem to be having a small issue with Atmel Studio version 6.1.2730 service pack 2 not programming correctly when using F5. These were the instructions I followed: http://www....
Wednesday, 19 February 2014 - 15:25
High speed OLED using the Xprotolab
Project Background: A few years ago, I made a POV type 3D display using a 5x5 array of 5mm LED's. The 5x5 LED array PCB mechanically oscillates to create the display. It can be...
Saturday, 13 April 2013 - 19:44
ATMEGA328 and timer0 overflow
I'm finally looking into AVR studio 6. I tried a simple program using an ATTINY2313 and it seemed to work ok. I converted the small program over to the ATMEGA328 and now the...
Wednesday, 22 August 2012 - 20:32
Six frequency outputs
I'm having a little problem coming up with a reasonable way to complete a circuit. I would like to be able to drive 6 continuous ultrasonic outputs. Each output would range from...
Friday, 11 May 2012 - 01:53
A discharged battery and the analog comparator
I have an existing, portable sign board using an attiny2313 to send data to four driver IC's. The drivers control 202 red LED's. The LED's are arranged in blocks of three from...
Thursday, 3 March 2011 - 15:16
Large LED letters, PCB layout question
I am trying to create a board layout with roughly 4 inch (10cm) high, italic words, using dual rows of 5mm LED's. (The letters in the words are static, similar to the image...
Friday, 19 February 2010 - 15:52
Attiny861 flash size
Hi, I'm working on a project with the ATtiny861, using version 4.17 of AVR studio (build 666), with AVRGCC. When my program reaches over 4K in the flash size, I get a "relocation...
Friday, 4 September 2009 - 21:09
Is the external pull-up on reset really needed?
In the ATMEGA162 datasheet, the "DC characteristics" section states there is a 30k to 60k ohm pull-up internal resistor on the reset. After looking through the datasheet and...
Tuesday, 2 June 2009 - 15:05

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