diff --git a/website/src/repl/ws.mjs b/website/src/repl/ws.mjs
new file mode 100644
index 000000000..5006cbac4
--- /dev/null
+++ b/website/src/repl/ws.mjs
@@ -0,0 +1,26 @@
+import { register, signal } from '@strudel/core';
+import { clamp } from '../../../packages/superdough/util.mjs';
+
+let sigs = [0, 0, 0, 0, 0, 0, 0, 0];
+
+export let sig = register('sig', (pat) =>
+  pat
+    .fmap((n) => {
+      return signal(() => clamp(sigs[n], 0.0001, 1));
+    })
+    .outerJoin(),
+);
+
+let socket;
+export function initSocket(ip) {
+  // e.g. 192.168.1.12:4422
+  socket = socket || new WebSocket(`ws://${ip}`);
+  socket.addEventListener('open', () => console.log('connection opened'));
+  socket.addEventListener('error', () => console.log('connection error'));
+  socket.addEventListener('message', (event) => {
+      if (Math.random() < 0.01) {
+        console.log(event.data.toString());
+      }
+    sigs = JSON.parse(event.data.toString());
+  });
+}