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Memory Colision with CVAVR
Using CodeVision with a Mega1281 and external RAM.   I need to keep several variable in memory and in the same order that I declare them.  I thought the best solution...
Mon. Nov 13, 2017 - 08:55 PM
SPI using USI not working
My system is using an ATtiny1634 as an SPI slave.  Using a scope I can see the master send one byte with 8 clock pulses and MOSI is moving as expected, but MISO stays low....
Tue. Aug 15, 2017 - 01:32 AM
Using Eagle to create CAD files needed for board assembly
I designed a PCB using Eagle 7.7, PCB's are built and everything was shipped to a board house to assemble and solder the parts to the PCB.  They are now requesting  CAD...
Mon. Jun 19, 2017 - 06:42 PM
Moving an array of function pointers to Flash
I have a working menu system that uses an array of function pointers, but I would like to move it to flash to save RAM space.  I've tried using PROGMEM in various forms but...
Tue. Jan 31, 2017 - 02:41 PM
Visual Studio coming to Macs, will AVR Studio follow?
Here's one of many articles I'm starting to see. https://www.engadget.com/2016/11/14/microsoft-visual-studio-for-mac/
Mon. Nov 14, 2016 - 11:29 PM
Using an amplified digital TV antenna
Our cable provider will be cutting the analog feed in August.  Not wanting to pay extra for the converter boxes I must rent from them, I'm looking at alternatives.  Back...
Sat. Apr 16, 2016 - 03:40 AM
Calculating Hole and Pad size for the JTAG Connector
I'm laying out a board that will have a MegaAvr1281 and an Atmel ICE connector.  I'm stumped trying to get the proper hole size and pad diameter for this .05 pitch connector...
Wed. Mar 23, 2016 - 03:54 AM
Defining and working with external memory
I'm considering moving an 8051 based project to a new design with a Mega1281 and AVR Studio 6.2.  Up till now my "C" exposure has been simple projects, but now I have a...
Wed. May 6, 2015 - 04:47 PM
Sole E35 Eliptical Motor Error
Anyone familiar with elipticals and how the load motors work? I have a Sole E35 that will run 18 minutes and then fail with an E2 - motor error. Oddly the failure is when the...
Fri. Feb 7, 2014 - 03:53 AM
Power Distribution
Seems like years ago we were doing 74xx DIP designs and ran the VCC and GND around the rows of IC's, making a big loop in the process. Now with SMD and different sizes and...
Tue. Jul 30, 2013 - 03:14 PM
Where's the 1-Wire debug when you need it?
We're debugging a stray watchdog failure on a board with a pair of 68040's on it. All those wires go to a pair of logic analyzers.
Wed. May 8, 2013 - 09:38 PM
Designing a PCB for Auto Insertion
What steps should I take make my PCB compatible with a pick n place machine? I assuming 2 tooling holes on opposite corners. Is there a standard size? Is a Fiducial needed?...
Thu. Dec 20, 2012 - 04:34 PM

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