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        <title>SKR 1.4 Turbo and RRF troubles</title>
        <description> Hi there!

I have several issues while uploading RRF on my new board. 

While im connectring my board with firmware to my computer, SKR reboots, like unpugs from laptop and plugs again. 

When im turning on my SKR, little blue LED on WiFi module not works, and in router settings there is no board connected, in Advanced IP Scanner the same.

BTT TFT semms to be ok, but sending commands to board gives no result. Tries to move axis gives nothing, same to measure temperatures.

Im using ESP-01S as a WiFi module</description>
        <link>https://reprap.org/forum/read.php?146,884506,884506#msg-884506</link>
        <lastBuildDate>Sat, 12 Sep 2026 00:43:24 -0400</lastBuildDate>
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            <guid>https://reprap.org/forum/read.php?146,884506,895903#msg-895903</guid>
            <title>Re: SKR 1.4 Turbo and RRF troubles</title>
            <link>https://reprap.org/forum/read.php?146,884506,895903#msg-895903</link>
            <description><![CDATA[ Blue led is on tx line, it glows when the signal is low. But only if the board has power <br />
<br />
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<br />
<br />
<br />
The lpc176x pins for serial 3 <br />
<br />
<pre class="bbcode">
Serial3	                 TX     RX	FUNCNUM
Default	                P0_00	P0_01	2
LPC_PINCFG_UART3_P0_25	P0_25	P0_26	3
LPC_PINCFG_UART3_P4_28	P4_28	P4_29	3</pre>
<br />
The wifi port on the skr 1.4 uses P4_28	and P4_29 so you need to enable function 3<br />
In marlin you set LPC_PINCFG_UART3_P4_28     this is done for you in [<a href="https://github.com/MarlinFirmware/Marlin/blob/bugfix-2.1.x/Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_4.h#L36" target="_blank"  rel="nofollow">github.com</a>]<br />
<br />
I don't know how you would do  this on other firmwares<br />
<br />
You also need to set  a serial port to 3<br/>]]></description>
            <dc:creator>Dust</dc:creator>
            <category>Firmware - mainstream and related support</category>
            <pubDate>Thu, 10 Oct 2024 13:24:40 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?146,884506,895901#msg-895901</guid>
            <title>Re: SKR 1.4 Turbo and RRF troubles</title>
            <link>https://reprap.org/forum/read.php?146,884506,895901#msg-895901</link>
            <description><![CDATA[ Did you find any solution I am having the same issue. I am using ESP01 Wifi module. The wifi module works when connected to USB Programmer blue wifi light also glows but when I connect the ESP01 directly to the SKR 1.4 board wifi socket the module power on but the blue wifi light does not glow and hence I am unable to use it and it is also not detected by the router. Please do reply if you found a fix to it. It would really help me]]></description>
            <dc:creator>rudranshsinghmahra</dc:creator>
            <category>Firmware - mainstream and related support</category>
            <pubDate>Thu, 10 Oct 2024 12:21:14 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?146,884506,884506#msg-884506</guid>
            <title>SKR 1.4 Turbo and RRF troubles</title>
            <link>https://reprap.org/forum/read.php?146,884506,884506#msg-884506</link>
            <description><![CDATA[ Hi there!<br />
<br />
I have several issues while uploading RRF on my new board. <br />
<br />
While im connectring my board with firmware to my computer, SKR reboots, like unpugs from laptop and plugs again. <br />
<br />
When im turning on my SKR, little blue LED on WiFi module not works, and in router settings there is no board connected, in Advanced IP Scanner the same.<br />
<br />
BTT TFT semms to be ok, but sending commands to board gives no result. Tries to move axis gives nothing, same to measure temperatures.<br />
<br />
Im using ESP-01S as a WiFi module]]></description>
            <dc:creator>Rexsell</dc:creator>
            <category>Firmware - mainstream and related support</category>
            <pubDate>Sun, 06 Jun 2021 09:38:51 -0400</pubDate>
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