The pump and controller user manuals offered only sketchy ... and a solenoid for the vacuum vent. Spindle current is calculated by measuring voltage drop across shunt resistors on the low side ...

Interestingly, the film-based vacuum pump is “able to pull a vacuum down ... enables the development of a control system that ...

Pixel Pump with SMD-Magazines, also using foot pedal to control an interactive bill of materials (BoM) plugin. Because having parts organized and available is every bit as important as the tool ...