Update README.md

README.md

@@ -7,6 +7,12 @@ Capacitive Electrodes team for ECE 522 (Spring 2018)
 - `bt_ecg.m`: for collecting data from the Arduino Uno and analyzing it
 
 ### Setup
+- configure baud rate of HC-05
+  - check `AT.ino` for pinouts
+  - remove Vcc of HC-05 and hold down button
+  - reconnect Vcc. HC-05 should blink slowly
+  - upload `AT.ino` and open serial monitor
+  - set monitor to 9600 baud and type "AT+UART=115200,1,0"
 - check the `rtbt.ino` for pin configurations of Arduino
 - disconnect TX/RX
 - upload `rtbt.ino`