n><span style="color: #000000;">1023</span><span style="color: #000000;">;</span>
  <span style="color: #00979c;">int</span> <span style="color: #000000;">b</span> <span style="color: #434f54;">=</span> <span style="color: #000000;">bf</span><span style="color: #434f54;">*</span><span style="color: #000000;">bf</span><span style="color: #434f54;">*</span><span style="color: #000000;">1023</span><span style="color: #000000;">;</span>
  
  <span style="color: #d35400;">analogWrite</span><span style="color: #0