v><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;    <span class="keywordtype">double</span> max_range_;</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;    <span class="comment">// we have 4 board with each possessing 2 motors and 2 sliders</span></div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;    <a class="code" href="comm