https://www.htxarduino.dk/index.php?action=history&feed=atom&title=Arduino_DS1307_RTC 2026-06-10T16:35:37Z Versionshistorie for denne side i HTX Arduino MediaWiki 1.45.1 https://www.htxarduino.dk/index.php?title=Arduino_DS1307_RTC&diff=5018&oldid=prev 2022-11-22T20:07:37Z

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<p><span class="autocomment">Referencer</span></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="da"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Ældre version</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Versionen fra 5. nov. 2022, 13:22</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l44">Linje 44:</td> <td colspan="2" class="diff-lineno">Linje 44:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Referencer==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; 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<p>1 version importeret</p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <tr class="diff-title" lang="da"> <td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">← Ældre version</td> <td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">Versionen fra 25. okt. 2022, 21:07</td> </tr><tr><td colspan="2" class="diff-notice" lang="da"><div class="mw-diff-empty">(Ingen forskel)</div> </td></tr></table>

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<p><span class="autocomment">Referencer</span></p> <p><b>Ny side</b></p><div>RTC Clock er er Real Time Clock modul, der indeholder et ur, der stadig fungerer selvom strømmen er væk.<br /> <br /> <br /> ==Fra dx.com==<br /> <br /> De RTC vi har hjemme (februar 2014) er fra dx.com, og ser ud til at være udsolgt som [http://dx.com/p/meeeno-ds1307-real-time-clock-brick-module-for-arduino-yellow-works-with-official-arduino-boards-213941#.Uw2uifl5OHg RTC-modul fra dx.com].<br /> <br /> [[fil:DS1307RTC-modul.PNG|RTC modulet fra dx.com]]<br /> <br /> Denne dokumentation tager udgangspunkt i dette modul<br /> <br /> ===Kommentarer til RTC-modulet fra dx.com===<br /> <br /> For at hente koden til RTC skal man installere DS1307RTC fra [http://www.pjrc.com/teensy/td_libs_DS1307RTC.html Electronic Project Site]<br /> <br /> Modulet arbejder med Arduino Time modul&lt;ref&gt;[http://playground.arduino.cc/Code/time#.Uw2wIfl5OHh Arduino Time modul]&lt;/ref&gt;.<br /> <br /> I Arduino-programmet åbnes Fil - Eksempler - DS1307RTC - ReadTest, der kan læse tiden fra modulet.<br /> <br /> Hvis DS1307-chippen ikke er stillet, så kan man i Arduino-programmet åbne Fil - Eksempler - DS1307RTC - SetTime, indstiller tiden i modulet til PC&#039;ens tid på oversættelsestidspunktet.<br /> <br /> ===Virkemåde===<br /> <br /> Modulet arbejder på en [[I2C Bus]], hvor den har adresse 0x68.<br /> <br /> Man kan skrive 7 byte til modulet, hvor det ligger kodet i [[BCD]], så man kan ikke direkte regne med de tal man får ud.<br /> <br /> Man kan også læse 7 byte i modulet på byte adresse 0, hvor man får de samme tal ud i BCD.<br /> <br /> Tallene ligger som følger:<br /> * 0 Sekunder<br /> * 1 Minutter<br /> * 2 Timer<br /> * 3 Ugedag (0-6)<br /> * 4 Dato i måneden (1 - 31)<br /> * 5 Måned (1 - 12)<br /> * 6 År (0 - 99)<br /> <br /> ===Hardware===<br /> Forsyning, SCK og SDA forbindes.<br /> <br /> ===Test===<br /> <br /> ==Referencer==<br /> &lt;references /&gt;<br /> {{Arduino-Modul-Oversigt}}<br /> [[Kategori:Arduino_Moduler]]<br /> [[Kategori:Arduino_I2C]]<br /> [[Kategori:I2C Moduler]]</div>

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