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atmel usb drivers broken on windows 10
I just got a new computer with a fresh install of win10.  The first thing I installed was atmel studio and plugged in my dragon.  The dragon is not detected by atmel...
Tuesday, 13 December 2016 - 15:36
where to start to modify car electronics?
I'm tired of people trying to open my car to steal from me at night.  I want to make it so my car honks when someone tries to open it when its locked.  Where should I...
Thursday, 4 February 2016 - 06:53
offline smps transformers
I want to use an isolated 5V 200mA AC-DC converter.  I'm looking at parts like the LNK362 and similar parts from Linear, TI and Microchip.  The formulas for calculating...
Wednesday, 21 October 2015 - 05:30
transposing 32bit array of 32
I want to take a 32 part array of uint32_t and copy it so that all the bit 0s make up byte 0, all the bit 1s make up byte 1, etc up to 32 bits.  Is there a name for what I...
Thursday, 30 July 2015 - 17:28
sample and hold circuit
I have a DAC that can go 30kHz, has 1 output only.  What would it take to output in stereo at 15kHz?  Would it work out output both stereo channels on the dac and use a...
Tuesday, 21 October 2014 - 14:07
AVR parts vs ARM parts.
It can be a tough sell to use any non-standard (non-arm) mcu these days. What are some of the pros of using the XMEGA or AVR32 over a cortex-m device?
Thursday, 26 June 2014 - 17:37
atmel bluetooth
I'd like to see bluetooth chips from atmel. Seems like nordic has the best bluetooth chip right now. I was working on a TI bluetooth chip and it was a total nightmare with the...
Thursday, 17 April 2014 - 15:27
codewarrior 10.6
Freescale always packaged their own compiler into eclipse. This latest release it has gcc in it! Not a single mention of this in the release notes. It still costs the same for...
Friday, 11 April 2014 - 16:54
3 phase brushless motor control theory
What is a good book or resource to understand 3 phase brushless motor control theory? I see a lot of expensive books on amazon, not sure which one to get.
Wednesday, 2 April 2014 - 18:31
vexing problem with sam7x512 spi module
I posted this to at91.com first but I don't think anyone checks that site. For the record, I love the AVR more than I could ever love the SAM7. I am using the spi1 module as...
Monday, 3 March 2014 - 23:16
How to detect current in a trace that has floating power?
How can an avr get a rough measurement of current that is flowing in a trace from a floating voltage source? There is no way to ground the avr circuit with these traces. Is...
Sunday, 16 December 2012 - 02:52
detect 12-24volts with zener diode
I want to detect 12-24 volts using a 74hc logic chip with 3.3v power. I used a 3.3v zener diode in series with a 100k resistor. This actually results in 2v signal and works...
Saturday, 1 December 2012 - 22:28