ericc64

@campbell-e · Joined July 2026

Newcomer

Data analyst · retail · new to IoT

Topics: 1
Replies: 3
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Posted October 22, 2026 at 10:59 pm · in Cheapest way to get a PoE-powered board reporting from my workshop #4

Does Hermetry care if it’s Ethernet or WiFi? I assumed the device has to be WiFi to use MQTT

Posted October 12, 2026 at 1:58 pm · in Store fridge sensors: guest Wi-Fi, their own VLAN, or everything behind a Pi? #6

First store done Friday with VLAN 30 and isolation, sensors reconnected on their own after I changed the SSID in their config page. You were right about Plain MQTT, it was on, and two sensors were actually using 1883. Moved them to 8883 and turned it off. Allowed networks needed all 5 store IPs on the one profile, that worked fine.

Posted September 27, 2026 at 1:27 pm · in Store fridge sensors: guest Wi-Fi, their own VLAN, or everything behind a Pi? #4

Only out to Hermetry as far as I know. Nothing local reads them. The guest network does have a “click to accept” page.