IP: 192.168.7.1

root user name: root
root password:  AVLdiy123 

Wifi SSID: SYJ-001
Wifi Password: www.syj99.com

//-----------------------------------------
play wav:
aplay xxx.wav &

play mp3:
madplay --no-tty-control xxx.mp3 &
//----------------------------------------

//-------how to set hardware time---------
buy a DS1307 RTC, link to box I2C: 

set time to linux system:
date -s "2023-04-13 16:39:27"

read linux system time:
date

system time to RTC hardware:
hwclock -w

hardware RTC time to system:
hwclock -s

read RTC time:
hwclock -r