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Problems with stack painting
Hi all--   I am trying to use the stack painting code here to check maximum stack usage:   https://www.avrfreaks.net/forum/soft-c-avrgcc-monitoring-stack-usage  ...
Tuesday, 28 May 2019 - 18:38
PLL for basic 2.4 GHz experiment?
Hi all--   I'm working on an experiment in the 2.4 GHz ISM band. At the moment, the main thing I'm trying to accomplish is mixing the 2.4 GHz signal down to 20 MHz or so that...
Sunday, 25 January 2015 - 03:07
Hakko FX-888D not living up to expectations [SOLVED]
Hi All--   I've been using a Weller WES51 for about five years now. In the past few months, it's started randomly shutting off, so I thought I'd try upgrading it. I do a fair...
Friday, 12 September 2014 - 18:22
Question about the symbol table
Hi All-- I am trying to figure out where memory is being used in my program so that I can reduce its footprint a bit. My search has led me to the symbol table, which seems to give...
Thursday, 13 March 2014 - 04:30
How to tell if USART is completely idle?
I am working with the AT90USB646, using Peter Fleury's UART library to communicate with an external module. The external module starts out configured for 9600 baud, so the first...
Saturday, 2 November 2013 - 19:46
Thermals for mechanical pads?
Hi All-- I've got a design that uses the USB jack shown in the following image: http://imgur.com/ZSn8z8G There are two large mechanical pads on either side of the jack, and two...
Thursday, 15 August 2013 - 16:46
"Relocation truncated to fit" with WinAVR 20100110
Hi All-- I've been scouring Google for information about the following error for a few hours now: c:/winavr-20100110/bin/../lib/gcc/avr/4.3.3/../../../../avr/lib/avr5/crtusb646....
Monday, 24 June 2013 - 04:53
How to use crystal oscillator?
Hi All-- Seems like a bit of a silly question, but I'm putting together a new design, and it's the first time I've used something like the Abracon ASDK crystal oscillator. I am...
Monday, 19 March 2012 - 00:24
Small audio amplifiers
Hi All-- I am working on a project which uses the ABDAC output of the UC3B. In my current prototype, the differential ABDAC output goes through a low pass filter, then through a...
Saturday, 10 December 2011 - 22:50
Thermals on SMD mechanical support?
Hi All-- On pads used for mechanical support, as in the attached image of a USB connector, would you generally use thermals? On the one hand, it seems like adding thermals will...
Thursday, 27 October 2011 - 03:30
Capacitor size
Hi All-- I am working on a design which, due to size constraints, uses a lot of 0402 passives. I've seen a lot of boards which use 0402 ceramic caps for the most part, with a few...
Friday, 29 July 2011 - 20:24
1 mm thick PCB prototyping?
Hi All-- I'm working on a product for which I would like to use a 1 mm thick 4-layer PCB. In the past, I've used only 1.6 mm PCBs, so some of this is new to me. In particular, it...
Wednesday, 20 July 2011 - 07:43

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