If you could ditch the PID control and go for ON/OFF control with hysteresis, you could make life simpler.
There are "silent" relays available.
Things like tea urns just use simple thermostats.
Do you really need PID control for a coffee machine?
If you could ditch the PID control and go for ON/OFF control with hysteresis, you could make life simpler.
There are "silent" relays available.
Things like tea urns just use simple thermostats.
Do you really need PID control for a coffee machine?