Connect 2 Blend Micro to App Inventor App


Is there a way to connect and control 2 blend micros to and MIT App Inventor App? Currently I’m using the BLE extension and put two BLE modules one for each blend micro and the app seems to connect to both microcontrollers however when i send data to both the microcontrollers only one of the microcontrollers recieve the data. Is there anything I’m missing?

Here is the code for the app