omment">// make pin OUTPUT</span></div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;            digitalWrite(SENSOR_PIN, HIGH);    <span class="comment">// make pin HIGH to discharge capacitor - see the schematic</span></div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;            rc_cued = <span class="keyword">true</span>;</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;        }</div><div class="line"><a 