connor92
@white-c · Joined June 2025
IT and security admin · energy · 11 years in the field
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How does remember me relate to trusted devices? We already let people trust their browser so they skip the second factor. Same thing under a new name?
Before the theory: check the gateway model actually supports what you plan with those inputs. Pulse counting on digital inputs depends on the model, for example.
Check whether Energy Efficient Ethernet (EEE, “green ethernet”) is on for those ports, old PHYs hate it.
That’s a lot less work than I’d budgeted. Prototype unit is publishing to v1/telemetry with its own token, site id is now an attribute and our report script reads it from there. Killing the ACL file is the best thing to happen to this project.
Keep the private signing key off the build server people log into. HSM or at least a separate box.
Which part of the firmware do you change, only your application or anything in the modem’s radio settings? And is the antenna the one listed in the module’s grant?
Welcome. For the gate sensors, work out the power budget before you write much code. Battery life is what usually kills these projects, not the software.
3 at most, the far cabinets go through two relays. Did the UART split this week: root is a dumb mesh node again, ESP32 does TLS with plenty of heap, 12 children appeared under the gateway on the yard-temp profile. I send the connect once per node after boot, so a node that just joined the mesh lands on yard-temp straight away.
Checked, the AP is on 11 and auto. Moved the mesh to 11 and it’s better, but the AP changes channel at night sometimes.