diff --git a/README.md b/README.md
index 872e617..c061f2a 100644
--- a/README.md
+++ b/README.md
@@ -229,7 +229,7 @@ The errors reported by the board are in the form of audible beeps:
 - **1 beep fast (medium pitch)**: Low battery voltage < 35V
 - **1 beep fast (high pitch)**: Backward spinning motors
 
-For a more detailed troubleshooting connect an [FTDI Serial adapter](https://s.click.aliexpress.com/e/_AqPOBr) to the DEBUG_SERIAL cable (Left or Right) and monitor the output data using the [Hoverboard Web Serial Control](https://candas1.github.io/Hoverboard-Web-Serial-Control/) tool developed by [Candas](https://github.com/Candas1/).
+For a more detailed troubleshooting connect an [FTDI Serial adapter](https://s.click.aliexpress.com/e/_AqPOBr) or a [Bluetooth module](https://s.click.aliexpress.com/e/_A4gkMD) to the DEBUG_SERIAL cable (Left or Right) and monitor the output data using the [Hoverboard Web Serial Control](https://candas1.github.io/Hoverboard-Web-Serial-Control/) tool developed by [Candas](https://github.com/Candas1/).
 
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 ## Projects and Links