h3n3/klipper
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Deploying to gh-pages from @ Klipper3d/klipper@011b4e39e6 🚀

Browse Source
This commit is contained in:
KevinOConnor
2023-04-20 02:04:42 +00:00
parent d656bba063
commit 619e1446b1
13 changed files with 9 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
Measuring_Resonances.html
View File

@@ -1843,15 +1843,19 @@ supplementing.</p>
for signal integrity over a long distance. If you still experience signal
integrity issues (SPI/I2C errors):</p>
<ul>
<li>Double check the wiring with a digital multimeter for:</li>
<li>Double check the wiring with a digital multimeter for:<ul>
<li>Correct connections when turned off (continuity)</li>
<li>Correct power and ground voltages</li>
<li>I2C only:</li>
</ul>
</li>
<li>I2C only:<ul>
<li>Check the SCL and SDA lines' resistances to 3.3V are in the range of 900
ohms to 1.8K</li>
ohms to 1.8K</li>
<li>For full technical details consult <a href="https://www.pololu.com/file/0J435/UM10204.pdf">chapter 7 of the I2C-bus specification
and user manual UM10204</a>
for <em>fast-mode</em></li>
and user manual UM10204</a>
for <em>fast-mode</em></li>
</ul>
</li>
<li>Shorten the cable</li>
</ul>
<p>Connect ethernet cable shielding only to the MCU board/Pi ground.</p>