pigpio issue with DAC

Conflicts between PCM mode and the DAC cause slow sound. Start pigpiod with “-t 0” to enable PWM mode.

https://forums.pimoroni.com/t/issue-phatdac-on-pi-zero-with-pigpio-and-moode-6-3/11875/14

https://forums.slimdevices.com/archive/index.php/t-107001-p-2.html

http://abyz.me.uk/rpi/pigpio/pigpiod.html

vim /lib/systemd/system/pigpiod.service

[Unit]
Description=Daemon required to control GPIO pins via pigpio
[Service]
ExecStart=/usr/bin/pigpiod -l -t 0
ExecStop=/bin/systemctl kill pigpiod
Type=forking
[Install]
WantedBy=multi-user.target