IT News<p>2025 One Hertz Challenge: Learn Morse Code One Second at a Time - Learning Morse Code is no longer a requirement for HAMs in many jurisdictions, but... - <a href="https://hackaday.com/2025/08/02/2025-one-hertz-challenge-learn-morse-code-one-second-at-a-time/" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">hackaday.com/2025/08/02/2025-o</span><span class="invisible">ne-hertz-challenge-learn-morse-code-one-second-at-a-time/</span></a> <a href="https://schleuss.online/tags/microcontrollers" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>microcontrollers</span></a> <a href="https://schleuss.online/tags/morsetrainer" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>morsetrainer</span></a> <a href="https://schleuss.online/tags/arudinonano" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>arudinonano</span></a> <a href="https://schleuss.online/tags/contests" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>contests</span></a> <a href="https://schleuss.online/tags/ps" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>ps</span></a>/2</p>