<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">I think that this can control it (on SIM5360):<div class=""><br class=""></div><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;" class=""><div class="">Disable:</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>simcom muxtx 3 AT+CGFUNC=1,0</div><div class=""><br class=""></div><div class="">Enable:</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>simcom muxtx 3 AT+CGFUNC=1,1</div></blockquote><div class=""><div><br class=""></div><div>There is also AT+CLEDITST, but I can’t seem to make that work.</div><div><br class=""></div><div>Black case should be darker and let light through. The 3D printed prototypes are very transparent.</div><div><br class=""></div><div>Regards, Mark.</div><div><br class=""></div><div><blockquote type="cite" class=""><div class="">On 19 Dec 2017, at 3:37 PM, Michael Balzer <<a href="mailto:dexter@expeedo.de" class="">dexter@expeedo.de</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="">Greg,<br class=""><br class="">the blue LED is not controllable, it's acting as a Zener diode in the voltage regulation, i.e. it flashes when draining a too high voltage.<br class=""><br class="">So, as a workaround you could replace it by a standard Zener diode, just needs to have the same breakdown voltage.<br class=""><br class="">But I don't think the black case lets through much light -- Mark?<br class=""><br class="">Regards,<br class="">Michael<br class=""><br class=""><br class="">Am 19.12.2017 um 05:47 schrieb Greg D.:<br class=""><blockquote type="cite" class="">Hi folks,<br class=""><br class="">The "real" module's case is black, but how well does it block light? <br class=""><br class="">I'm thinking about the modem's LED, which flashes pretty brightly in the<br class="">proto (white) case. In a dark parking lot, it could attract unwanted<br class="">attention. (Or, perhaps simulate a car alarm, which wouldn't<br class="">necessarily be bad...)<br class=""><br class="">If the LED is visible externally, is there a way to disable it?<br class=""><br class="">Greg<br class=""><br class=""><br class=""><br class="">_______________________________________________<br class="">OvmsDev mailing list<br class=""><a href="mailto:OvmsDev@lists.teslaclub.hk" class="">OvmsDev@lists.teslaclub.hk</a><br class="">http://lists.teslaclub.hk/mailman/listinfo/ovmsdev<br class=""></blockquote><br class="">-- <br class="">Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal<br class="">Fon 02333 / 833 5735 * Handy 0176 / 206 989 26<br class=""><br class=""><br class="">_______________________________________________<br class="">OvmsDev mailing list<br class=""><a href="mailto:OvmsDev@lists.teslaclub.hk" class="">OvmsDev@lists.teslaclub.hk</a><br class="">http://lists.teslaclub.hk/mailman/listinfo/ovmsdev<br class=""></div></div></blockquote></div><br class=""></div></body></html>