ESP8266 Developer Zone The Official ESP8266 Forum 2015-10-14T11:45:15+08:00 https://bbs.espressif.com:443/feed.php?f=6&t=1080 2015-10-14T11:45:15+08:00 2015-10-14T11:45:15+08:00 https://bbs.espressif.com:443/viewtopic.php?t=1080&p=4098#p4098 <![CDATA[Re: Series resistor of 200 Ohm on SD_CLK]]>
The resistor on SD_CLK is for lowering the driving current, decreasing cross-talk and external interruption, adjusting timing sequence, and so on.

200ohm is a reference value and you can adjust it on the situation.

Thanks.

Statistics: Posted by Espressif_Kelly — Wed Oct 14, 2015 11:45 am

]]> 2015-09-09T03:50:15+08:00 2015-09-09T03:50:15+08:00 https://bbs.espressif.com:443/viewtopic.php?t=1080&p=3602#p3602 <![CDATA[Series resistor of 200 Ohm on SD_CLK]]> What if I'd use 300 Ohm instead; would that work better, worse, equally well? Why not?

Statistics: Posted by BuGless — Wed Sep 09, 2015 3:50 am

]]>