PID-Controlled Espresso Machine: 7 Real Picks Tested & Ranked For 2026
A PID-controlled espresso machine is a home or prosumer espresso maker that uses a proportional-integral-derivative controller to hold brew water within roughly one degree of a target temperature, instead of letting a simple thermostat swing several degrees above and below it. That tiny electronic loop is the difference between a shot that tastes sharp and … Read more