2. Connect the music chip: connect the music chip to the circuit board, connect the power supply, and debug the parameters of the music chip to ensure that the music can be played normally.
3. Connect the doorbell button: connect the doorbell button to the circuit board to ensure that the button can be triggered normally and can play the role of doorbell in the circuit.
4. Connect the wireless remote controller: connect the wireless remote controller to the circuit board, and debug the parameters of the remote controller to ensure that the remote controller can control the doorbell to play normally.
5. Install the battery: Install the battery on the circuit board to ensure that the circuit board can work normally.
6. Install the doorbell: Install the doorbell at the door to ensure that the connecting line between the doorbell button and the circuit board can be electrified smoothly.
7. debugging: debug the doorbell, and test whether the wireless remote controller and doorbell button can trigger the doorbell to play normally, and test whether the doorbell music plays normally.