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What type of USB B connector do you usually use?
I'm no expert, but I like the mini-B in a through hole version- Molex 54819-0519
Monday, 11 March 2013 - 10:59
ARM DIP chip [help]
For anyone wanting 32bit dip parts, the pic32mx2 is not too bad. I have been playing around with the usb capable 16k/4k 28pin part, using it just as a usb-serial chip for now. It...
Tuesday, 20 November 2012 - 01:04
USB- using SOF packeys as time reference
I am now doing what I described previously- after usb reset, I get times of 10 sof packets (no responses), and adjust the osctun inside that loop. I can get real close after about...
Sunday, 7 October 2012 - 17:17
USB- using SOF packeys as time reference
The problem with using a stored value from the last time, is it may not be close enough for the next time. Most often will be fine, but I want to do this as reliably as possible....
Sunday, 7 October 2012 - 00:44
USB- using SOF packeys as time reference
It does seem usb wants to do its thing, no waiting around. Maybe I can get enough initial ballpark timing from the first packets. Or maybe I can read the temperature (somehow) to...
Saturday, 6 October 2012 - 10:52
Measuring uAmps (without a good meter)
Tuesday, 11 September 2012 - 12:36
Measuring uAmps (without a good meter)
Not sure where the 2% comes from, its actually listed as +- 0.5% +2count.
Monday, 10 September 2012 - 21:05
Measuring uAmps (without a good meter)
The service manual shows >10Mohm for dc volts. I have not measured/tested it, though. I'm not by my equipment now, but I suspect 10k will be a better value to use for my...
Monday, 10 September 2012 - 19:53
Measuring uAmps (without a good meter)
I will probably continue to use the simple method for now, as the measurement is made while the circuit is in a static low power state, and where I can can manually compensate for...
Monday, 10 September 2012 - 14:21
Measuring uAmps (without a good meter)
No publication, for now just want to know which ballpark I'm in.
Saturday, 8 September 2012 - 22:42
Measuring uAmps (without a good meter)
I'll have to look over that opamp stuff in more detail. I eventually would like to build a little uAmp box (with display). The micro is not an avr, but is supposed to be able to '...
Saturday, 8 September 2012 - 20:29
sources of GPS module with MTK3339 chipset
...and also the UC530, which is about the equivalent of the original one I was looking for (MTK3339 based). I'll probably go with the UP501, which looks easier to get going...
Wednesday, 25 July 2012 - 14:18