title: How can I assign hex string to a char[] variable?
body: <p>Assume my hex string. <code>hexStr = "aecf"</code></p>
  
  <p>How can I assign the hex string value to <code>unsigned char myChar[]</code> as below. Thanks.</p>
  
  <pre><code>myChar[0] = 0xae;
  myChar[1] = 0xcf;
  </code></pre>