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SD Card Failure in Nissan Navigation System
So our 2013 Altima has a nav system that uses an SD card for the map info.  Now it has started displaying a message that "No SD card inserted, Please use Nissan Card Only"....
Thursday, 4 April 2019 - 02:40
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...
Monday, 13 November 2017 - 20:55
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....
Tuesday, 15 August 2017 - 01:32
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...
Monday, 19 June 2017 - 18:42
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...
Tuesday, 31 January 2017 - 14:41
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/
Monday, 14 November 2016 - 23:29
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...
Saturday, 16 April 2016 - 03:40
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...
Wednesday, 23 March 2016 - 03:54
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...
Wednesday, 6 May 2015 - 16:47
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...
Friday, 7 February 2014 - 03:53
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...
Tuesday, 30 July 2013 - 15:14
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.
Wednesday, 8 May 2013 - 21:38