Zprobe with optical switch and Opamp comparator
Free     Myminifactory     stinguc

Z-probe with optical switch and Op-amp comparator

An zprobe which uses and optical switch and opamp comparator for better trigger precision The opamp is an UA741CN powered from a 5V sourceThe metalic pin used in this probe is a nail 70mmx3mm cut to required sizeThe neodymium magnet is ...

similar models —

Z-probe with optical switch and Op-amp comparator alternatives
ZProbe
Zaggo