<div dir="auto">Hi Patil. The reason might be wrong pin connections. Are you sure about these two LCD have same pin configurations? Sometimes event Vcc and GNC positions differs</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">24 Eki 2019 Per 12:21 tarihinde PATIL Sangeeta <<a href="mailto:Sangeeta.PATIL@3ds.com">Sangeeta.PATIL@3ds.com</a>> şunu yazdı:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">





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<p class="MsoNormal"><span style="color:#1f497d">Hello,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d">I noticed that I am using JHD162A LCD display. In one of the RIOT-OS  doc, I read that LCM1602C LCD is needed.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d">Could this be the reason of my unsuccessful Implementation of LCD?<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d">Please help!<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:#1f497d"><u></u> <u></u></span></p>
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<p class="MsoNormal"><i><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:black">Best Regards,</span></i><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:#1f497d"><u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:black">Sangeeta PATIL
<u></u><u></u></span></p>
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<p class="MsoNormal"><b>From:</b> users <<a href="mailto:users-bounces@riot-os.org" target="_blank" rel="noreferrer">users-bounces@riot-os.org</a>> <b>On Behalf Of
</b>PATIL Sangeeta<br>
<b>Sent:</b> Wednesday, October 23, 2019 6:46 PM<br>
<b>To:</b> RIOT OS users list <<a href="mailto:users@riot-os.org" target="_blank" rel="noreferrer">users@riot-os.org</a>><br>
<b>Subject:</b> [riot-users] HD44780 LCD with Arduino Uno<u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">Hello,<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">I am trying to interface HD44780 LCD with Arduino Uno.<u></u><u></u></p>
<p class="MsoNormal">All the connections are done as per <span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:black">
<a href="https://github.com/RIOT-OS/RIOT/tree/master/tests/driver_hd44780" target="_blank" rel="noreferrer">https://github.com/RIOT-OS/RIOT/tree/master/tests/driver_hd44780</a></span><u></u><u></u></p>
<p class="MsoNormal">Below is my code:<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">The code is compiled successfully but does not work as expected on flashing to Arduino Uno i.e I could not see cursor blinking<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">//#include "hd44780_params.h"<u></u><u></u></p>
<p class="MsoNormal">#include "hd44780.h"<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">hd44780_t *a;<u></u><u></u></p>
<p class="MsoNormal">hd44780_params_t *b;<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">void setup(void)<u></u><u></u></p>
<p class="MsoNormal">{<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">hd44780_init(a,b);<u></u><u></u></p>
<p class="MsoNormal">}<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">void loop(void)<u></u><u></u></p>
<p class="MsoNormal">{<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal">//hd44780_print(a,"hi");<u></u><u></u></p>
<p class="MsoNormal">hd44780_blink(a,HD44780_ON);<u></u><u></u></p>
<p class="MsoNormal">delay(100);<u></u><u></u></p>
<p class="MsoNormal">}<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p>
<p class="MsoNormal"><i><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:black">Best Regards,</span></i><span style="font-size:12.0pt;font-family:"Times New Roman",serif"><u></u><u></u></span></p>
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<p class="MsoNormal">Sangeeta<u></u><u></u></p>
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