tDefault();
        const r = await fetch('api/roborock', {method: 'POST', body: new FormData(ev.target)});
        await getSources('roborock-table', r);
    });
</script>


<button id="v4l2">V4L2 (Linux video)</button>
<div class="module">
    <table id="v4l2-table"></table>
</div>
<script>
    document.getElementById('v4l2').addEventListener('click', async ev => {
        ev.target.nextElementSibling.style.display = 'block';
        await getSources('v4l2-table', 'api/v4l2');
    });
</script>


<button 