:=</span> make(<span style="color:#66d9ef">chan</span> <span style="color:#a6e22e">pinLevelMessage</span>)
</span></span><span style="display:flex;"><span>
</span></span><span style="display:flex;"><span>	<span style="color:#a6e22e">p</span>, <span style="color:#a6e22e">err</span> <span style="color:#f92672">:=</span> <span style="color:#a6e22e">setupGPIOInput</span>(<span style="color:#e6db74">&#34;GPIO4&#34;</span>, <span style="color:#a6e22e">levelChan</span>)
</span></span><span style="display:flex;"><s