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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>This month’s problem of the month was about an electric fence monitor.<o:p></o:p></p><p class=MsoNormal style='margin-left:.5in'><a href="http://everycircuit.com/circuit/5798493590650880/electric-fence-voltage-monitor">http://everycircuit.com/circuit/5798493590650880/electric-fence-voltage-monitor</a><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>During the meeting, I was pointed to Panasonic high surge resistors at Digikey.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>After a bit of searching, this is what I think would work.<o:p></o:p></p><p class=MsoNormal><a href="https://www.digikey.com/product-detail/en/HVR2500001005JA100/BC4429CT-ND/7351859/?itemSeq=321321346">https://www.digikey.com/product-detail/en/HVR2500001005JA100/BC4429CT-ND/7351859/?itemSeq=321321346</a><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>10000V<o:p></o:p></p><p class=MsoNormal style='text-indent:.5in'><span style='color:black'>R1 – 10Mohm <o:p></o:p></span></p><p class=MsoNormal><span style='color:black'>7514.9V<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'> R2 – 10Mohm<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'>5029.8V<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'> R3 – 10Mohm<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'>2544.7V<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'> R4 – 10Mohm<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'>59.6V<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'> R5 – 220Kohm<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'>4.97V </span><span style='font-family:Wingdings;color:black'>ß</span><span style='color:black'> Arduino monitors here<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'> R6 – 20Kohm<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'>GND<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:black'>Any comments about these resistors?<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:black'>I was thinking of soldering them in series and then potting them with this:<o:p></o:p></span></p><p class=MsoNormal><a href="https://smile.amazon.com/Clear-Electronic-Grade-Silicone-Squeeze/dp/B0063U2RPW/ref=sr_1_19?crid=2RXV4MC2DX1Y2&dchild=1&keywords=potting%2Bcompound%2Bfor%2Belectronics&qid=1584805104&sprefix=potting%2Bcom%2Caps%2C165&sr=8-19&th=1">https://smile.amazon.com/Clear-Electronic-Grade-Silicone-Squeeze/dp/B0063U2RPW/ref=sr_1_19?crid=2RXV4MC2DX1Y2&dchild=1&keywords=potting%2Bcompound%2Bfor%2Belectronics&qid=1584805104&sprefix=potting%2Bcom%2Caps%2C165&sr=8-19&th=1</a><o:p></o:p></p><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:black'>---> Paul<o:p></o:p></span></p><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>