diff --git a/src/components/SerialProvider/SerialProvider.tsx b/src/components/SerialProvider/SerialProvider.tsx
index 5df5cc5..8a54f88 100644
--- a/src/components/SerialProvider/SerialProvider.tsx
+++ b/src/components/SerialProvider/SerialProvider.tsx
@@ -386,17 +386,18 @@ const useWebSerial = ({
     if (writer) {
       try {
         // Once speed is fixed, this can be swapped in for the loop below
-        await writer.write(data);
+        // await writer.write(data);
 
-        // let blob = new Blob([data]);
-        // const arrayBuffer = await blob.arrayBuffer();
-        // const chunkSize = 350;
+        let blob = new Blob([data]);
+        const arrayBuffer = await blob.arrayBuffer();
+        const chunkSize = 60;
 
-        // for (let i = 0; i < arrayBuffer.byteLength; i += chunkSize) {
-        //   const chunk = arrayBuffer.slice(i, i + chunkSize);
-        //   await delay(5);
-        //   await writer.write(new Uint8Array(chunk));
-        // }
+        for (let i = 0; i < arrayBuffer.byteLength; i += chunkSize) {
+          const chunk = arrayBuffer.slice(i, i + chunkSize);
+          await delay(5);
+          await writer.write(new Uint8Array(chunk));
+          console.log("CHUNK:", `${i}/${arrayBuffer.byteLength}`);
+        }
         writer.releaseLock();
 
         setMessageQueue((prevQueue) => prevQueue.slice(1)); // Remove the message we just wrote from the queue
diff --git a/src/utils/serialUtils.tsx b/src/utils/serialUtils.tsx
index 42d5787..cfe5d4e 100644
--- a/src/utils/serialUtils.tsx
+++ b/src/utils/serialUtils.tsx
@@ -93,7 +93,7 @@ export const useWriteCommand = () => {
     let blob = new Blob([bytes]);
     const arrayBuffer = await blob.arrayBuffer();
 
-    const chunkSize = 100000;
+    const chunkSize = 9000;
 
     console.log("Total length: ", arrayBuffer.byteLength);