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Merge pull request #2282 from arduino/benjamindannegard/nano-rp2040-microphone-sketch-fix

[PXCT-214] Fixed RP2040 microphone frequency in tutorial

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content/hardware/03.nano/boards/nano-rp2040-connect/tutorials/rp2040-microphone-basics
- rp2040-microphone-basics.md

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Lines changed: 2 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -69,7 +69,7 @@ We will now get to the programming part of this tutorial.`
`69`	`69`	`2. We can now take a look at some of the core functions of this sketch:`
`70`	`70`
`71`	`71`	- `static const char channels = 1;` - sets the number of output channels.
`72`		-- `static const int frequency = 16000;` - sets the sampling frequency to 20 KHz.
	`72`	+- `static const int frequency = 20000;` - sets the sampling frequency to 20 KHz.
`73`	`73`	- `short sampleBuffer[512]` - buffer to read samples into, each sample is 16-bits.
`74`	`74`	- `while (!Serial)` - prevents program from running until Serial Monitor is opened.
`75`	`75`	- `PDM.begin(channels, frequency)` - initializes the PDM library.
`@@ -87,7 +87,7 @@ bool LED_SWITCH = false;`
`87`	`87`	`static const char channels = 1;`
`88`	`88`
`89`	`89`	`// default PCM output frequency`
`90`		`-static const int frequency = 16000;`
	`90`	`+static const int frequency = 20000;`
`91`	`91`
`92`	`92`	`// Buffer to read samples into, each sample is 16-bits`
`93`	`93`	`short sampleBuffer[512];`

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