Spimple Beeper Z-Probe.
Parts i had on hand:
- Spring 9.5x19 for the Probe Plate
- Red Clamp
- Case Screws
- piece of PCB
Link to the Batteryholder:
cr2032 Batteriehalter Knopfzellenhalter, CR2032 Batteriehalter mit Schalter, 1 x 3V CR2032 Knopfzellenbatteriehalter mit Kabeln EIN Aus Schalter: Amazon.de: Elektronik & Foto
Link to the Beeper:
QWORK 20 Stück Elektronischer Summer, 3-12 V Active Buzzer 85 dB, Buzzer Alarm Piezo, Kabellänge 50 mm: Amazon.de: Elektronik & Foto
Inside is a Spring so you dont damage your Tool.
Just Clamp to the tool, lower Z until it beeps, go back up until its touched ever so slightly, remove z-Probe, add 20mm z offset. Done.