https://www.health.mn.gov/communities/environment/hazardous/contact.html
Site Assessment and Consultation Unit Contacts - MN Dept. of Health
assessment and consultationunit contactssitemndept
https://community.m5stack.com/topic/1096/looking-for-unit-to-read-the-status-of-several-relay-contacts-via-onewire-bus/2
Looking for unit to read the status of several relay-contacts via OneWire-bus | M5Stack Community
Jun 30, 2019 - Hi again! Is really nobody reading relay-contacts via the OneWire-bus? Or is there a better alternative solution for such an application? How? Thanks - grelm
looking forto readunitstatusseveral