Ultra-low power timer/counter, Attiny4313 I use the Panasonic ones, available at Digikey:
http://www.digikey.com/product-s...
These are pretty easy on current, under ten microamps when there is no motion for some models....
Monday, 4 November 2013 - 18:48
feedback necessary for micro-stepping? sparrow2 wrote:
Quote:There are a huge number of CNC machines running open-loop (no feedback). Having feedback lets you detect things like missed steps, so you might be able run...
Sunday, 3 November 2013 - 19:30
feedback necessary for micro-stepping? There are a huge number of CNC machines running open-loop (no feedback). Having feedback lets you detect things like missed steps, so you might be able run more aggressively with...
Sunday, 3 November 2013 - 15:56
FAST FOURIER TRANSFORM Nick123 wrote:i want to know is fft done on each sample using the formula F(w) = cos(16 bit value) + j sine(16 bit value) or is it much more than that
Your question might not be...
Friday, 1 November 2013 - 22:41
FAST FOURIER TRANSFORM In addition to available libraries, FFT has been studied to death and there are a wealth of highly optimized algorithms to implement it out there, as well as any DSP text book...
Friday, 1 November 2013 - 03:00
Ultra-low power timer/counter, Attiny4313 mckeemj wrote:Digikey has lots of options. The MCP7940 is available for $0.70 in singles, uses an external crystal, caps, and a few resistors, and has alarm capabilities ( or...
Monday, 28 October 2013 - 22:34
Ultra-low power timer/counter, Attiny4313 theusch wrote:
Sheesh--I'm really getting lousy gas mileage using my dump truck for commuting.
I wasn't complaining. I'm not sure where the snark is coming from.
Quote:
The...
Monday, 28 October 2013 - 22:30
Ultra-low power timer/counter, Attiny4313 theusch wrote:Quote:
The XBee, in sleep mode, is reasonable.
Is it still low power with the wakeup function enabled?
According to their design guidance, it works well if you are...
Monday, 28 October 2013 - 21:15
how to perform calculation in Attiny2313-code written in C C works perfectly well on the 2313. The only issue you will run into is that using floating point isn't practical (the floating point library will be too large) so you will need...
I use the Panasonic ones, available at Digikey: http://www.digikey.com/product-s... These are pretty easy on current, under ten microamps when there is no motion for some models....
sparrow2 wrote: Quote:There are a huge number of CNC machines running open-loop (no feedback). Having feedback lets you detect things like missed steps, so you might be able run...
There are a huge number of CNC machines running open-loop (no feedback). Having feedback lets you detect things like missed steps, so you might be able run more aggressively with...
Nick123 wrote:i want to know is fft done on each sample using the formula F(w) = cos(16 bit value) + j sine(16 bit value) or is it much more than that Your question might not be...
In addition to available libraries, FFT has been studied to death and there are a wealth of highly optimized algorithms to implement it out there, as well as any DSP text book...
mckeemj wrote:Digikey has lots of options. The MCP7940 is available for $0.70 in singles, uses an external crystal, caps, and a few resistors, and has alarm capabilities ( or...
theusch wrote: Sheesh--I'm really getting lousy gas mileage using my dump truck for commuting. I wasn't complaining. I'm not sure where the snark is coming from. Quote: The...
theusch wrote:Quote: The XBee, in sleep mode, is reasonable. Is it still low power with the wakeup function enabled? According to their design guidance, it works well if you are...
C works perfectly well on the 2313. The only issue you will run into is that using floating point isn't practical (the floating point library will be too large) so you will need...
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