Post Created date
vibration and shock
gchapman wrote:bug13avr wrote:as of the timer, I want +/- 10ms minimum accuracy.A GPS or GLONASS receiver will produce a 1 pulse-per-second (PPS) signal with an accuracy of 1...
Monday, 29 July 2013 - 01:42
vibration and shock
joeymorin wrote:bug13avr wrote:as of the timer, I want +/- 10ms minimum accuracy.That's not a measure of accuracy, more a measure of precision. Plus/minus 10 mS over what? Over a...
Monday, 29 July 2013 - 01:40
vibration and shock
mckeemj wrote:Although Atmel does not give maximum acceleration specs, I would be amazed if there were any issues surrounding the processor itself at those accelerations. A...
Sunday, 28 July 2013 - 21:13
vibration and shock
DocJC wrote:Perhaps a definition of: Quote:on a little rocket would be helpful. Size, weight, number of stages, estimated peak altitude. A photo would be Great. JC I don't have...
Sunday, 28 July 2013 - 21:05
vibration and shock
bobgardner wrote:100Gs would be an acceleration of 3200 ft per sec per sec. .6 miles per sec per sec. 2181 miles per hr per sec. After 3 sec you are going 6000 mi per hr. I'm...
Sunday, 28 July 2013 - 20:16
vibration and shock
clawson wrote:Ah good point (I should know this, I have a pilot's licence!) Nice, I want to get a pilot license too!
Sunday, 28 July 2013 - 20:11
vibration and shock
gchapman wrote:DS3231M is a RTC with a MEMS resonator (32kHz, 1Hz, 5ppm=0.4s/day). Silicon Labs announced MEMS oscillators. IDT also has some. Never use MEMS oscillators before,...
Sunday, 28 July 2013 - 08:57
vibration and shock
Kartman wrote:I'd be suspicious of the crystal handling that amount of acceleration. You might want to look at using a resonator instead of a crystal. Thanks I will look into it.
Sunday, 28 July 2013 - 08:56
vibration and shock
clawson wrote:Quote: I'd be suspicious of the crystal handling that amount of acceleration. You might want to look at using a resonator instead of a crystal. Or the internal RC...
Sunday, 28 July 2013 - 08:48
usb tutorial
Thanks Morten :)
Wednesday, 10 July 2013 - 04:42
usb tutorial
Thanks a lot Clawson, it looks exactly what I am looking for. I haven't have a good look at LUFA yet as it looks like I need to spend some time to have a basic understand of it....
Monday, 8 July 2013 - 21:29
Software stack
clawson wrote:Quote: I should start learning AVR assembly too On the whole you only need to be able to read it not write it (which is more complex as you kind of have to remember...
Friday, 31 May 2013 - 03:12

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