Bluetooth module taken as the basis for communication with the Android device. Picture taken at the time initial tests were being executed in order to get familiar with the module. See detail of interconnection pins Tx and Rx for loopback test.
(click on the pictures to enlarge)
Details of the project's progress. MCU decoding the serial data coming from the BT module and processing them for driving an LED and a radio control servo.
Passing the cleaned circuit on a printed circuit board.