WTR050 playback the sound chip, with the voice is too small to consider to add an integrated amplifier, I don't know what kind of power amplifier, the official said only with PWM power amplifier, has anyone encountered similar problems, can give directions, thank you very much!

CodePudding user response:

The chip is not can use him to command code to adjust volume,

The command code: E0H... E7H E0 minimum volume, E7 volume the biggest, a total of eight level
Can work: volume
Description: at the end of the speech broadcast or standby to send the command to adjust the volume,

CodePudding user response:

reference 1 floor of the house of pineapple reply:

this chip is not can use him to command code to adjust volume,

The command code: E0H... E7H E0 minimum volume, E7 volume the biggest, a total of eight level
Can work: volume
Description: at the end of the speech broadcast or send the command to adjust the volume, standby

I use the chips don't have this function