DHCP Behavior
With DHCP enabled, GAUGER is a DHCP client on Ethernet and in Wi-Fi station mode and a DHCP server on its Wi-Fi access point.
HTTP API
GAUGER HTTP API on port 80: Basic Auth, JSON responses and endpoints for configuration, OTA firmware upload, rollback, reboot, resets and device metadata.
Modbus Registers
GAUGER Modbus TCP register map: twelve holding registers (45301–45312, FC03) with activation and deactivation counts and the state of all four inputs.
Power Supply
Powering GAUGER from the Mini USB-B connector or the 9–28 V terminal block pins, and which source takes priority when both are connected.