<html>

  <head>

    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">

  </head>

  <body text="#000000" bgcolor="#FFFFFF">

    Nasel jsem u popisu SD od SanDisku, ze maji AutoSleep rezim. Jinde

    jsem to ale nenasel. V popisu SD specifikace je zminovane manualni

    prepinani Power Managementu...<br>

    <br>

    Hynek Sladky<br>

    <br>

    <br>

    <br>

    <div class="moz-cite-prefix">Dne 24.2.2021 v 14:42 ZdenÄ›k Lada

      napsal(a):<br>

    </div>

    <blockquote type="cite"

cite="mid:CACcjF+RiCdRTia0RhYrYRvPbLxm4bEqVORYrCoiS+_+BAc61WQ@mail.gmail.com">

      <meta http-equiv="content-type" content="text/html; charset=utf-8">

      <div dir="ltr">

        <div>Ano HW Ĺ™eĹˇenĂ kdy by se pĹ™idal FET spĂnajĂcĂ zem SD karty

          jsem takĂ© naĹˇel... Ale tak jak to mĂˇm udÄ›lanĂ© tak by to

          znamenalo zase Ăşpravu DPS.</div>

        <div>SpĂnat napĂˇjenĂ na svĂ© desce nemohu, protoĹľe Arduino Mega

          mĂˇm umĂstÄ›nĂ© na ÄŤteÄŤce.</div>

        <div><br>

        </div>

        <div>Co pĂĹˇou na fĂłrech tak vÄ›tĹˇinou pomĹŻĹľe vĂ˝mÄ›na knihovna SD

          za SDFat, ale u mÄ› ne... MoĹľnĂˇ nÄ›kde dÄ›lĂˇm chybu.<br>

        </div>

        <div><br>

        </div>

        <div>ZdenÄ›k<br>

        </div>

      </div>

      <br>

      <div class="gmail_quote">

        <div dir="ltr" class="gmail_attr">st 24. 2. 2021 vÂ 14:10

          odesĂlatel Ĺ erĂ˝ch Jakub <<a href="mailto:Serych@panska.cz"

            moz-do-not-send="true">Serych@panska.cz</a>> napsal:<br>

        </div>

        <blockquote class="gmail_quote" style="margin:0px 0px 0px

          0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">

          <div lang="CS">

            <div class="gmail-m_1181795340596961578WordSection1">

              <p class="MsoNormal"><span>A co celĂ˝ modul karty napĂˇjet

                  zÂ pinu Arduina a tĂm pĂˇdem si ho zapnout jen pokud je

                  potĹ™eba? To je Ĺ™ekl bych nejspolehlivÄ›jĹˇĂ Ĺ™eĹˇenĂ.

                </span></p>

              <p class="MsoNormal"><span>Â </span></p>

              <p class="MsoNormal"><span>Jakub Ĺ erĂ˝ch</span></p>

              <p class="MsoNormal"><span>Â </span></p>

              <p class="MsoNormal"><b>From:</b> Hw-list <<a

                  href="mailto:hw-list-bounces@list.hw.cz"

                  target="_blank" moz-do-not-send="true">hw-list-bounces@list.hw.cz</a>>

                <b>On Behalf Of

                </b>ZdenÄ›k Lada<br>

                <b>Sent:</b> Wednesday, February 24, 2021 1:58 PM<br>

                <b>To:</b> HW-news <<a

                  href="mailto:hw-list@list.hw.cz" target="_blank"

                  moz-do-not-send="true">hw-list@list.hw.cz</a>><br>

                <b>Subject:</b> SD karta se neuspĂˇvĂˇ do Idle reĹľimu.</p>

              <p class="MsoNormal">Â </p>

              <div>

                <div>

                  <p class="MsoNormal">DobrĂ˝ den,</p>

                </div>

                <div>

                  <p class="MsoNormal">Â </p>

                </div>

                <div>

                  <p class="MsoNormal">mĂˇm problĂ©m ve svĂ© dataloggeru s

                    Arduinem. PouĹľĂvĂˇm bÄ›ĹľnĂ˝ modul se ÄŤteÄŤkou SD karet a

                    bÄ›hem neÄŤinnosti svoje arduino uspĂˇvĂˇm. ProblĂ©mem

                    je, Ĺľe celkovĂˇ spotĹ™eba je stĂˇle vysokĂˇ, SD ÄŤteÄŤka

                    mi bere asi 6 mA. PĹ™itom v neÄŤinnosti mĂˇ brĂˇt SD

                    karta asi 0,24 mA. KdyĹľ kartu vyjmu, spotĹ™eba

                    klesne.</p>

                </div>

                <div>

                  <p class="MsoNormal">BÄ›ĹľnÄ› mÄ›Ĺ™Ăm asi 2 minuty a pak

                    zbytek ÄŤasu spĂm, takĹľe mi jde o minimĂˇlnĂ spotĹ™ebu

                    v neÄŤinnosti.</p>

                </div>

                <div>

                  <p class="MsoNormal">Â </p>

                </div>

                <div>

                  <p class="MsoNormal"><a

href="https://www.hadex.cz/m375-datalogger-shield-pro-arduino-uno/?gclid=CjwKCAiAyc2BBhAaEiwA44-wW0t83et6DbIm1lzKcCeMtW-96OMWUQiCZS-dGRPlV55PesgwcDkDiRoCDr8QAvD_BwE"

                      target="_blank" moz-do-not-send="true">https://www.hadex.cz/m375-datalogger-shield-pro-arduino-uno/?gclid=CjwKCAiAyc2BBhAaEiwA44-wW0t83et6DbIm1lzKcCeMtW-96OMWUQiCZS-dGRPlV55PesgwcDkDiRoCDr8QAvD_BwE</a></p>

                </div>

                <div>

                  <p class="MsoNormal">Â </p>

                </div>

                <div>

                  <p class="MsoNormal">NÄ›co jsem ÄŤetl na netu a pouĹľĂvĂˇm

                    knihovnu SDFat, kterĂˇ by nemÄ›la obsahovat chyby.

                    StejnÄ› tak jsem odpĂˇjel zbyteÄŤnĂ© LED. USB pĹ™evodnĂk

                    CH340 by nemÄ›l dÄ›lat problĂ©my, kdyĹľ jsem odpojil

                    jeho zem tak se spotĹ™eba nesnĂĹľila. RTC obvod na

                    ÄŤteÄŤce SD karet je takĂ© vypĂˇjen. </p>

                </div>

                <div>

                  <p class="MsoNormal">Â </p>

                </div>

                <div>

                  <p class="MsoNormal">" SD.h has a bug that prevents

                    reinitializing an SD.Â  SdFat allows reinitialization

                    or changing an SD after power is cut/restored."</p>

                </div>

                <div>

                  <p class="MsoNormal">Â </p>

                </div>

                <div>

                  <p class="MsoNormal"><a

                      href="https://forum.arduino.cc/index.php?topic=180668.0"

                      target="_blank" moz-do-not-send="true">https://forum.arduino.cc/index.php?topic=180668.0</a></p>

                </div>

                <div>

                  <p class="MsoNormal">Â </p>

                </div>

                <div>

                  <p class="MsoNormal">setkal se nÄ›kdo s tĂmto

                    StabilizĂˇtory na desce Arduina Mega jsem odpĂˇjel a

                    napĂˇjĂm to pĹ™Ămo na piny.</p>

                </div>

                <div>

                  <p class="MsoNormal">Â </p>

                </div>

                <div>

                  <p class="MsoNormal">ZdenÄ›k</p>

                </div>

              </div>

            </div>

          </div>

          <br>

        </blockquote>

      </div>

    </blockquote>

    <br>

  </body>

</html>