Arduino + si5351 square wave generator

After updating the portable oscilloscope in your hand , I think the oscilloscope comes with 1M Waveform generator is not enough to see .

A higher frequency waveform generator is added to the list , However, there is no professional use , Therefore, investment in finished equipment is not considered .

Search and find that the goods only need 12 element .

I2C Connect the module , Routine run , You can happily see the square wave of the specified frequency .

// https://github.com/etherkit/Si5351Arduino

#include "si5351.h"
#include "Wire.h"

Si5351 si5351;
  
void setup()
{
  bool i2c_found;

  Serial.begin(115200);
  i2c_found = si5351.init(SI5351_CRYSTAL_LOAD_8PF, 0, 0);
  if(!i2c_found)
  {
    Serial.println("Device not found on I2C bus!");
    delay(500);
  }

  si5351.set_freq(20000000ULL, SI5351_CLK0); 
}

void loop()
{
}