Automated Vacuum Switch

sysem based on current sensing switch https://www.aliexpress.com/item/4001126906635.html

An 12 V small power supply needed

+20mm cable glad

+2 sockets

+switch 22x38mm (includes build-in neon lamp)

current sensor includes resonable hysteresis - switch runs few second after load stops

When sensed current over 5A, the sensor hangs until switch off. If the case of your load (sensed tool), put a wire parallel to wire going through sensor.

!!! Build includes life danger 230V AC wiring, intended only for qualified and risk aware persons !!!

no responsibility of injury or dead

CZ: Automatické zapínání vysavače k pile nebo hoblovce