betaflight-configurator/tabs/receiver.html

<div class="tab-receiver">
    <div class="bars">
        <ul>
            <li class="name">Throttle</li>
            <li class="meter"><meter min="900" max="2100"></meter></li>
            <li class="value"></li>
        </ul>
        <ul>
            <li class="name">Pitch</li>
            <li class="meter"><meter min="900" max="2100"></meter></li>
            <li class="value"></li>
        </ul>
        <ul>
            <li class="name">Roll</li>
            <li class="meter"><meter min="900" max="2100"></meter></li>
            <li class="value"></li>
        </ul>
        <ul>
            <li class="name">Yaw</li>
            <li class="meter"><meter min="900" max="2100"></meter></li>
            <li class="value"></li>
        </ul>
        <ul>
            <li class="name">AUX1</li>
            <li class="meter"><meter min="900" max="2100"></meter></li>
            <li class="value"></li>
        </ul>
        <ul>
            <li class="name">AUX2</li>
            <li class="meter"><meter min="900" max="2100"></meter></li>
            <li class="value"></li>
        </ul>
        <ul>
            <li class="name">AUX3</li>
            <li class="meter"><meter min="900" max="2100"></meter></li>
            <li class="value"></li>
        </ul>
        <ul>
            <li class="name">AUX4</li>
            <li class="meter"><meter min="900" max="2100"></meter></li>
            <li class="value"></li>
        </ul>        
    </div>
</div>