To add voice to the doorbell sensor, follow these steps:
1. Confirm whether the doorbell sensor supports voice function: First of all, you need to confirm whether the doorbell sensor supports voice function, if it does not support, you can not add voice.
2. Select the right voice module: Select a suitable voice module, such as a recording chip or voice module, which can store the recorded voice in the chip and play it out.
3. Connect voice module: Connect the voice module to the doorbell sensor. The specific connection method needs to refer to the instruction manual of doorbell sensor and voice module.
4. Voice recording: Use the recording software or recorder to record the required voice content, such as \"Welcome\" and so on.
5. Save the voice to the chip: Connect the recorded voice content to the computer via USB cable, and then save them to the voice module.
6. Test: After completing the above steps, test whether the voice function is normal and confirm whether the recorded voice content can be played successfully.
It should be noted that before adding the voice function, be sure to carefully read the instruction manual of the doorbell sensor and the voice module, and operate according to the operation method in the instruction manual. In addition, if you are not sure whether you are doing it correctly, it is best to seek professional help.