update LC filter

FCOMC7 · Sep 6, 2024 · 06be297 · 06be297
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diff --git a/images/lcfilter.jpeg b/images/lcfilter.jpeg
diff --git a/images/lcfilter2.jpeg b/images/lcfilter2.jpeg
diff --git a/images/setupesp32.jpeg b/images/setupesp32.jpeg
diff --git a/python.md b/python.md
@@ -93,10 +93,11 @@ If you prefer, you can convert the Notebook to a Python file and then create an
 >!!
 >!! The amplitude value must be between **0 and 255**. If you define a value outside this range you will not be able to send the data. If you need operate a lower frequencies, you could modify the LC filter. Please check this section, [6. High Frequency Transformer](schematic2.md).
 
-2. **Frequency Adjustment**: Enter the desired frequency value in the frequency input field. If you are using the inverter without an LC filter then it is recommended to operate in a range between **80-100KHz**. Because for frequencies between 50-77KHz the maximum voltage is significantly attenuated in addition to distorting the signal as you can see in the images below. In case you add an LC filter to the output of the inverter, then it works correctly at a frequency of 60 ± 5 KHz as shown previously. 
+2. **Frequency Adjustment**: Enter the desired frequency value in the frequency input field. If you are using the inverter without an LC filter then it is recommended to operate in a range between **80-100KHz**. Because for frequencies between 50-77KHz the maximum voltage is significantly attenuated in addition to distorting the signal as you can see in the images below. In case you add an **LC filter ( L= 6.1uH, C=500nF)** to the output of the inverter, then it works correctly at a frequency of 60 ± 5 KHz as shown previously.
 
 ![](images/freqvsamplitude.png)
 ![](images/tablafreq1.png)
+![](images/lcfilter.jpeg)
 
 | [![](images/70khz.png)](images/70khz.png) | [![](images/100khz.png)](images/100khz.png) |
 |:-------------------------------:|:--------------------------:|

diff --git a/user_interface.md b/user_interface.md
@@ -2,7 +2,8 @@
 
 A user interface was developed in Python so that the values of amplitude, frequency and pulse width can be adjusted for each channel of the high voltage pulse generator. These data are sent via UART serial protocol to a master ESP32 that receives this data and also an external trigger for each detected drop to be classified.  Then this information is sent by SPI protocol to the slave ESP32 that activates each channel of the high voltage pulse generator to classify the drops.
 
-[![](images/diagrama.png)](images/diagrama.png)
+![](images/setupesp32.jpeg)
+![](images/diagrama.png)
 
 In the following subsections, you can find the details of the code for: