small general corrections

Author: vladysor

docs/Help/index.md

@@ -13,7 +13,7 @@ Please start by trying to resolve the issue on your own:
 * Read the [Getting Started]({% link Getting Started/index.md %}) section
 * Use the Search bar on this wiki to find information related to your problem
 * Browse the [Frequently Asked Questions (FAQs)]({% link Help/index.md%}#faqs) below
-* Google your issue
+* ~~ChatGPT~~ Google your issue
 
 If you have tried the above and are still stuck, it is a good time to ask for help.
 
@@ -41,6 +41,10 @@ Please send us an e-mail: <a href="mailto:Vladyslav.Sorokin@infineon.com">Vladys
 {: .no_toc}
 Start with the [Contributing Guide]({%link Contributing/index.md %}) and create a [Discussion] on GitHub, we would discuss your ideas and help you get started!
 
+#### No signal in ultrasonic ranging examples
+{: .no_toc}
+You probably forgot to enable the speaker with 2-pin jumper on SensEdu, follow Step #1 from [Getting Started]({% link Getting Started/index.md %}) section.
+
 
 [Discussion]: https://github.com/ShiegeChan/SensEdu/discussions
 [me]: https://github.com/vladysor

docs/Library/ADC.md

@@ -356,7 +356,7 @@ void loop() {
 #### Notes
 {: .no_toc}
 * Compared to single-channel configuration, `SensEdu_ADC_ReadSequence()` returns not a value, but a pointer. Using this pointer, you can access all channels in a sequence with index brackets `[]`.
-* ADC conversions are organised in a "package" called **sequence**. They follow exact order defined in `adc_pins` (A0 → A1 → A2 in this example).
+* ADC conversions are organized in a "package" called **sequence**. They follow exact order defined in `adc_pins` (A0 → A1 → A2 in this example).
 
 
 ### Read_ADC_1CH_TIM

libraries/SensEdu/examples/Basic_UltraSound/Basic_UltraSound.ino

@@ -10,7 +10,7 @@
 #define DAC_SINE_FREQ     	32000                           // 32kHz
 #define DAC_SAMPLE_RATE     DAC_SINE_FREQ * sine_lut_size   // 64 samples per one sine cycle
 
-DAC_Channel* dac_ch = DAC_CH2;
+DAC_Channel* dac_ch = DAC_CH1;
 SensEdu_DAC_Settings dac_settings = {
     .dac_channel = dac_ch, 
     .sampling_freq = DAC_SAMPLE_RATE,

libraries/SensEdu/examples/Basic_UltraSound_WiFi/Basic_UltraSound_WiFi.ino

@@ -11,7 +11,7 @@
 #define DAC_SINE_FREQ     	32000                           // 32kHz
 #define DAC_SAMPLE_RATE     DAC_SINE_FREQ * sine_lut_size   // 64 samples per one sine cycle
 
-DAC_Channel* dac_ch = DAC_CH2;
+DAC_Channel* dac_ch = DAC_CH1;
 SensEdu_DAC_Settings dac_settings = {
     .dac_channel = dac_ch, 
     .sampling_freq = DAC_SAMPLE_RATE,