update

public/index.html

@@ -145,6 +145,13 @@
             const action = led.classList.toggle('on') ? 'on' : 'off'
             client.emit('action', { action, x, y })
         }
+        client.on('leds', (array) => {
+            const leds = document.querySelectorAll('.led')
+            for (let i = 0; i < 64; i++) {
+                if (array[i] == 1) led.classList.add('on')
+                else led.classList.remove('on')
+            }
+        })
     </script>
 </body>