Rancilio Silvia "PID PIC NES" mod - NES controlled espresso machine - Make:
Rancilio Silvia with Preinfusion and PID Controller - YouTube
Rancilio Silvia with PID mod doesn't heat up
Updated my Silvia with Integrated Scales, dimmer & PID : r/espresso
PID Control Retrofit KIT for Rancilio Silvia w/ screw RTD sensor PID Temperature Control Retrofit KIT for Rancilio Silvia Espresso machine [KIT-RSRTD] - $149.50 : Auber Instruments, Inc., Temperature control solutions for
DIY Silvia LCD, PID, pre infusion mod | Coffee Forums
PID Kit for Rancilio Silvia Espresso Blue Display Pre-infusion for sale online | eBay