<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_1_1437713382503_16082">Hi Ryan,</div><div id="yui_3_16_0_1_1437713382503_16076"><br></div><div id="yui_3_16_0_1_1437713382503_16075" dir="ltr">That sounds like an interesting demonstration. I am a big fan of visual analogies. :-)</div><div id="yui_3_16_0_1_1437713382503_130396" dir="ltr"><br></div><div id="yui_3_16_0_1_1437713382503_15866" dir="ltr">Several good suggestions have been made (reading datasheets, transistors, opamps, motors, etc.). My two cents would be start with the basics. It sounds like you and I are on the same page. I can not attend in August, but we could go back to to back Aug/Sept or tandem in Sept? I don't know what other events are planned in the coming months?<br></div><div id="yui_3_16_0_1_1437713382503_15949" dir="ltr"><br></div><div id="yui_3_16_0_1_1437713382503_16032" dir="ltr">Here is the initial list:</div><div id="yui_3_16_0_1_1437713382503_131387" dir="ltr"><br></div><div id="yui_3_16_0_1_1437713382503_131450" dir="ltr">Mention the math but focus on real world operation<br></div><div id="yui_3_16_0_1_1437713382503_16033" dir="ltr"><br></div><div id="yui_3_16_0_1_1437713382503_16034" dir="ltr">Ohm's Law V= IZ = IR and the difference between R and Z</div><div id="yui_3_16_0_1_1437713382503_16052" dir="ltr"><br></div><div id="yui_3_16_0_1_1437713382503_28187" dir="ltr">The 3 Passives (R, L, C)</div><div id="yui_3_16_0_1_1437713382503_28281" dir="ltr"> Impulse and frequency response</div><div id="yui_3_16_0_1_1437713382503_28522" dir="ltr"> Energy consumption vs. storage<br></div><div id="yui_3_16_0_1_1437713382503_16049" dir="ltr"> Real vs. ideal components</div><div id="yui_3_16_0_1_1437713382503_28089" dir="ltr"> RC time constants & resonance<br></div><div id="yui_3_16_0_1_1437713382503_16050" dir="ltr"> Inrush current & inductive voltage drop</div><div id="yui_3_16_0_1_1437713382503_28523" dir="ltr"><br></div><div id="yui_3_16_0_1_1437713382503_28525" dir="ltr">Simplified explanation of how a diode works</div><div id="yui_3_16_0_1_1437713382503_28527" dir="ltr"><br></div><div id="yui_3_16_0_1_1437713382503_28528" dir="ltr">Simplified explanation of how a linear regulator works<br></div><div id="yui_3_16_0_1_1437713382503_131075" dir="ltr"><br></div><div id="yui_3_16_0_1_1437713382503_131244" dir="ltr">Simplified comparison to a switching regulator</div><div id="yui_3_16_0_1_1437713382503_131032" dir="ltr"><br></div><div id="yui_3_16_0_1_1437713382503_29027">Terms<br></div><div id="yui_3_16_0_1_1437713382503_29026"><br></div><div id="yui_3_16_0_1_1437713382503_29290">Power - VI = I2R = Watts</div><div id="yui_3_16_0_1_1437713382503_131621" dir="ltr">Voltage - Volts</div><div id="yui_3_16_0_1_1437713382503_131622" dir="ltr">Current - Amps</div><div id="yui_3_16_0_1_1437713382503_131623" dir="ltr">Impedance - Ohms<br></div><div class="" id="yiv7027864164yui_3_16_0_1_1433823795758_4644" dir="ltr">Decibel - db, dbW, dbmW, etc.</div>RMS - Root Mean Square<div class="" id="yiv7027864164yui_3_16_0_1_1433823795758_7643" dir="ltr"><div id="yui_3_16_0_1_1437713382503_28821">PWM - Pulse Width Modulation</div></div><div class="" id="yiv7027864164yui_3_16_0_1_1433823795758_7713" dir="ltr"><div id="yui_3_16_0_1_1437713382503_28824" dir="ltr">Open drain / open collector output stage<br></div></div><div id="yui_3_16_0_1_1437713382503_29496" dir="ltr">Totem pole / push-pull outage stage<br></div><div id="yui_3_16_0_1_1437713382503_29483" dir="ltr"><br></div><div id="yui_3_16_0_1_1437713382503_29484" dir="ltr">Sincerely,</div><div id="yui_3_16_0_1_1437713382503_29485" dir="ltr">Kevin Schilf</div><div id="yui_3_16_0_1_1437713382503_131491" dir="ltr">Digital Telesis, Inc.</div><div dir="ltr">919 349 7730<br></div><br> <div id="yui_3_16_0_1_1437713382503_15837" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div id="yui_3_16_0_1_1437713382503_15836" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div id="yui_3_16_0_1_1437713382503_15850" dir="ltr"> <hr id="yui_3_16_0_1_1437713382503_131489" size="1"> <font id="yui_3_16_0_1_1437713382503_16064" size="2" face="Arial"> <b><span style="font-weight:bold;">From:</span></b> Ryan Schuster via TriEmbed <triembed@triembed.org><br> <b><span style="font-weight: bold;">To:</span></b> triembed@triembed.org <br> <b><span style="font-weight: bold;">Sent:</span></b> Thursday, July 23, 2015 6:43 PM<br> <b><span style="font-weight: bold;">Subject:</span></b> [TriEmbed] EE tutorial talks<br> </font> </div> <div id="yui_3_16_0_1_1437713382503_15835" class="y_msg_container"><br><div id="yiv9724667840"><div id="yui_3_16_0_1_1437713382503_15834" dir="ltr"><div id="yui_3_16_0_1_1437713382503_16054">Has there been much more talk about doing talks on basic EE stuff?</div><div id="yui_3_16_0_1_1437713382503_15833"><br></div><div id="yui_3_16_0_1_1437713382503_16055">I'm buying a small water pump and some plastic tubing to demonstrate current, voltage, resistance, capacitance, and inductance with water for a computer camp that I teach at. It might be a good visual aid for a talk at the next meeting.</div><div id="yui_3_16_0_1_1437713382503_16056"><br></div><div id="yui_3_16_0_1_1437713382503_16057">Other than basics, there are some other things that I think might be especially relevant to embedded stuff that I could talk about at future meetings, if anyone's interested:</div><div id="yui_3_16_0_1_1437713382503_16058"><br></div><div id="yui_3_16_0_1_1437713382503_16059">- input/output/power supply protection/isolation/decoupling</div><div id="yui_3_16_0_1_1437713382503_16060">- making good measurements (types of measurement equipment, how to drive them, handling ground loops, proper setup, etc.)</div><div id="yui_3_16_0_1_1437713382503_16061">- signal conditioning (filtering, amplification, attenuation)</div><div id="yui_3_16_0_1_1437713382503_16062">- considerations for driving inputs/outputs (fan-in/fan-out, current limits, inductive/capacitive loads, and related problems)</div></div></div><br>_______________________________________________<br>Triangle, NC Embedded Computing mailing list<br><a ymailto="mailto:TriEmbed@triembed.org" href="mailto:TriEmbed@triembed.org">TriEmbed@triembed.org</a><br><a href="http://mail.triembed.org/mailman/listinfo/triembed_triembed.org" target="_blank">http://mail.triembed.org/mailman/listinfo/triembed_triembed.org</a><br>TriEmbed web site: <a href="http://triembed.org/" target="_blank">http://TriEmbed.org</a><br><br><br></div> </div> </div> </div></body></html>