keith vasilakes
  • Male
  • Saint Paul, MN
  • United States
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Keith vasilakes's Friends

  • Jason Cole
  • Chad Lester
  • David Sosna
  • Patrick Taylor
  • Shannon Bradley
 

keith vasilakes's Page

Latest Activity

keith vasilakes replied to Shannon Bradley's discussion Edison Vs. Westinghouse
"LOL Shannon Notice it was casual Friday, I had my tie loosened :)"
Jul 4, 2013
keith vasilakes replied to Shannon Bradley's discussion Edison Vs. Westinghouse
"The whole reason X volts AC produces the same heat as X volts DC is because thats how we defined the AC voltage... The heat or energy AC voltage is the RMS of the peak to peak voltage of the sine wave. ( note that it has to be a sine wave for this…"
Jul 2, 2013
keith vasilakes replied to Devin Moss's discussion Servo motor suggestion
"A servo is just a motor that has a feedback device. you run the motor and witch it's position. When you get to where your going you stop. Control can be as simple as reading the voltage of a pot and turning off an IO pin to using a PID control…"
Apr 24, 2013
keith vasilakes replied to Shannon Bradley's discussion Edison Vs. Westinghouse
"hmm yeah Solar flares, forgot about those, they do still cause problems, but I don't know the mechanisms. My experience is mostly keeping electronics resistant to external noise... The best way for a person to survive a catastrophic event is to…"
Apr 8, 2013
keith vasilakes replied to Kringen's discussion MSP430 Launch Pad
"I'm doing my first msp430 and lets just say I'm underwhelmed.... slowwww"
Apr 5, 2013
keith vasilakes replied to Shannon Bradley's discussion Edison Vs. Westinghouse
"I've been busy :P Not sure why you think there would be nuclear power, theyd all spin the same generator or whatever. Also why would EMP not be a problem? the EMP would still induce a huge spike in the wiring and let the smoke out of everything…"
Apr 5, 2013
keith vasilakes replied to Shannon Bradley's discussion Edison Vs. Westinghouse
"A auto dash board heater... What is that ? 24 watts ? Sure beats a AC 750-1500 watt. Huh? AC watts is measured using RMS ( Root Means Squared) power which is the DC equivalent. So the heat developed with 24 watts Dc is equal to 24 watts AC "
Apr 5, 2013
keith vasilakes replied to Shannon Bradley's discussion Edison Vs. Westinghouse
"zero advantage to using DC except in edge cases like analog signal processing ( aka sound systems etc) where the ac component can induce noise. AC is more dangerous, but it allows you to transforn the voltages for transmission. this makes it…"
Apr 5, 2013
keith vasilakes left a comment for Jason Cole
"Sorry been busy workin too hard... I saw yo had a question about Air ride or something?"
Feb 18, 2013
keith vasilakes and Jason Cole are now friends
Feb 18, 2013
keith vasilakes replied to Jordan Weller's discussion Ideas secret or not.
"Sorry to say this but I really doubt you have anything worth stealing. Unless you really have a disruptive product there isn't much someone else can't do on their own Ideas are so cheap, I have 1000s, want a couple?? Implementation is the…"
Feb 18, 2013
keith vasilakes replied to selvakumar's discussion GSM modem sim 900
"1. read the docs 2. while not working 2a. try really hard 2b. ask a specific question 2c. try really hard to understand and implement "
Feb 18, 2013
Jim Hunter commented on keith vasilakes's photo
Feb 8, 2013
saeeda commented on keith vasilakes's photo
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"hi Keith i need to build a GPS system than can read my car speed and send the data via xbee to my second arduino which has LCD to display the car speed. can you help me?"
Feb 6, 2013
Lee commented on keith vasilakes's photo
Dec 24, 2012
keith vasilakes replied to Matt Thurman's discussion High temp thermocouple with AD595
"I have used thermocouples in the past and they are very accurate. To calibrate at that temp you either need another thermocouple or use those melting cones for furnaces. The droop over at specific temperatures. If you have 2 spare thermocouples you…"
Nov 19, 2012

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About myself (public info)
Firmware engineer experienced with cell, zigbee, 802.15.4, motion control, protocol analysis, image analysis, DSP PIC, ARM, ATMEL, 68hc1x, c/c++/c#, also windows API, MFC .net.

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maurice patrick commented on GarageLab's blog post 3D printer uses Arduino controller and makes food in unusual ways
"Sweet!!!!"
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"NO... do not like this approach... AT ALL!"
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