BLE Serial Port Communication Problem


hi everybody.

i newbie arduino , have experiment on arduino ble sensor. using dorji dbm-01 ble device. connected arduino's tx ble's rx, arduino's rx ble's tx , connected 3.3v output , gnd pins ble's related gnd , 3.3v pins.

should make connections expect these? , how communicate ble device @ commands. send @ serial monitor ble can not take response device.

what program running on uno ?


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