<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Jun 2, 2016, at 7:42 PM, Gary E. Miller <<a href="mailto:gem@rellim.com" class="">gem@rellim.com</a>> wrote:</div><div class=""><div class=""><br class="">Attached is a phot of the mess.  You can also see the heat sink I added<br class="">to the CPU.<br class=""></div></div></blockquote></div><br class=""><div class="">I put a couple of heatsinks on some of my Pi’s, (the one outside, etc.), but they’ve never been needed based on it’s internal temperature sensor.  This was with running Gentoo, compiling, active Pi camera & driving 2 x servos directly from the Pi GPIO pins...</div><div class=""><br class=""></div><div class="">You can get the core temp in Celsius by taking the value from `<span style="font-family: Menlo; font-size: 13px;" class="">cat /sys/class/thermal/thermal_zone0/temp</span>` and dividing by 1000.</div><div class=""><br class=""></div><div class="">The later firmwares/utilities added the “<span style="font-family: Menlo; font-size: 13px;" class="">/opt/vc/bin/vcgencmd</span>” for reading various SoC settings:</div><div class=""><div style="margin: 0px; font-size: 13px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">/opt/vc/bin/vcgencmd version</span></div><div style="margin: 0px; font-size: 13px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">/opt/vc/bin/vcgencmd measure_temp</span></div><div style="margin: 0px; font-size: 13px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">/opt/vc/bin/vcgencmd measure_volts core</span></div><div style="margin: 0px; font-size: 13px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">/opt/vc/bin/vcgencmd measure_volts sdram_c</span></div><div style="margin: 0px; font-size: 13px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">/opt/vc/bin/vcgencmd measure_volts sdram_i</span></div><div style="margin: 0px; font-size: 13px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">/opt/vc/bin/vcgencmd measure_volts sdram_p</span></div></div><div class=""><span style="font-variant-ligatures: no-common-ligatures" class=""><br class=""></span></div><div class=""><br class=""></div><div class=""><br class=""></div></body></html>