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  • use Dupont cables to make connections ... note: the bluetooth module may have been destroyed when you plugged it into the connector ... refer to the shield datasheet for the connector pinout Commented Mar 25 at 17:21
  • where did you get the shield? Commented Mar 25 at 17:32
  • @jsotola: can you share a link to a tutorial how to connect using the Dupont cables? and how to configure the modules to work? Commented Mar 25 at 19:25
  • Dupont cable simply connects one pin to another pin ... please do research about the usage of the module with the arduino ... ask questions when you encounter difficulty Commented Mar 25 at 20:19