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Sorry for the strange subject title, don't know how I could make it more concise. Anyway, this device I am just finishing up serves as the I/O controller for my little machine. It will handle all the

10K Pullups seem to make it happy, so, if it's happy, I am happy! I now have the operator panel functional and working. All switches, POTs, Encoder switches, and LEDs do what they are suppose to do

Got it just fine. Sometimes it is enough to pullup reset to VCC, but some controllers want the reset signal to come on a short while after power on, so that the chip is fully powered and ready to go

Yahoo seems to be working today finally, I was going crazy here the past few days - I have become a junkie on this group and the homebrew groups! I guess I had better "Tie" the RESET pin to.... ... a

Uh - oh, I have a hunch I am doing something bad :-) I have gotten a new mystery symbol from Stefan I don't understand 8-O = ????? Best I can figure is that is a picture of a wide-eyed guy going OH!

BTW yahoo is broken for me too now, some posts are missing just didn't notice before. and do tie that reset, will you? Else you'll trip over it ;-) ST

8-O !!!! ST

OPen - Floating, not connected to anything. Chris <leon.heller@...> wrote: reliably. within so I responsibility are

reset circuit? power up slope? ST

Hi Guys, I am hoping this post makes it through. I am having a spot of trouble getting my AVRs to power up reliably. Sometimes they power up fine, other times they seem to hang within the first few

pardon me if this topic is stale.... a transistor acts like a switch. power in on one side, ground on the other and somewhere is your device. then power to the third leg and presto! a controlled

--- "lcdpublishing" <lcdpublishing@...> wrote: connecting *snip* Chris: One thing I always tell my students (of course, I teach something other than electronics, as everyone will note from my rather

Nah, i dunno, how could i ever trust the PIC/AVR is working? ;-) ST

WHY THIS GRRRRRRRRRRRRRRRRRRRRRRRR TIME PASS lcdpublishing wrote:

Just one thing I oughta mention here about contact cleaners... There are several different types out there, but one really important distinction that needs to be considered is whether or not the stuff

<lcdpublishing@...> wrote: Chris, I bought a used Tektronix 485 and I love it. Paid a couple of hundred, give or take. Now, about your issues: a character sent at 2400 baud takes 10/2400 seconds or

BK Precision 1560, 60MHz scope. Tektronix 466, 100MHz storage scope. The BK took a serious blow in shipping, knob and stuff pushed in, etc. It works, but I'm not counting on it. I'm 'learning' with