Friday, January 27, 2023
HomeElectronicsTindie Blog | Remote Voltage Monitoring Made Simple!

Tindie Blog | Remote Voltage Monitoring Made Simple!


The need to remotely monitor and control electronics is rising constantly. With more solar power systems, battery installations, and other power generation/monitoring projects – a simple and robust way to monitor and control these installations is essential. This wonderfully built and well-thought out TCP/IP Voltmeter more or less does what it says on the tin; providing a TCP server that will output measurements from the galvanically isolated voltmeter inputs.

But that’s not all! In many situations where remote voltage monitoring is needed, there’s also a need to control equipment. For example, when a certain voltage threshold is met, a device needs to be turned on. Or if the voltage dips too low, something needs to be disconnected. This board also contains 3 relays that can switch loads of up to 10A at 125VAC or 30VDC, though to be safe I would treat those as absolute maximums and stay well below them. The relays can always be used to switch a larger contactor or solid-state relay if large loads need to be controlled.

Besides hosting a simple TCP server, data can also be sent and received using SNMP (Simple Network Management Protocol). The board contains an SNMPv2 agent and can also be configured to automatically send data to any endpoint that supports HTTP POST for datalogging.

The board is powered from 12V, and has an on-board Ethernet port. It would be very easy to use a PoE splitter to power the board and get data through a single cable, making installation and troubleshooting even simpler. The layout is well thought out, and it looks like a robust and easy to use solution for remote monitoring. Keep it in mind the next time you need to remotely monitor and control a project!


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