diff --git a/platforms/firmata/ble_firmata_adaptor.go b/platforms/firmata/ble_firmata_adaptor.go
index 55cf7fa2..14e00df1 100644
--- a/platforms/firmata/ble_firmata_adaptor.go
+++ b/platforms/firmata/ble_firmata_adaptor.go
@@ -7,7 +7,10 @@ import (
 )
 
 const (
-	ReceiveID  = "6e400003b5a3f393e0a9e50e24dcca9e"
+	// ReceiveID is the BLE characteristic ID for receiving serial data
+	ReceiveID = "6e400003b5a3f393e0a9e50e24dcca9e"
+
+	// TransmitID is the BLE characteristic ID for transmitting serial data
 	TransmitID = "6e400002b5a3f393e0a9e50e24dcca9e"
 )