I have a GPRS based GPS tracker, which can talk to a custom server using tcp/udp. In php I can get this thing to talk properly, but in Node Red I have some issues. It uses a specific protocol, it sends "logon requests" which look like: ##,imei:864180031021079,A; To which I have to answer: LOAD …

Im trying to integrate in Nodered. Can u please share ur working flow?

I no longer use that flow (GPS tracker worked on 2G, no longer available here). But I think you can import the flow I posted and change the "GPS" node and set the output to stream of string.

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GPS Tracker (TK102) flow

General

bakman2 9 March 2019 14:18 2

Found it.

Should have used a "stream of string" instead.

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GPS Tracker (TK102) flow

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