I have deployed some sensors far away from me and I wanted to know if there’s a way to ping them every once in a while to know if there are still connected to the wifi network.
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Easy way is to check the map. If they’re registered to a Google account, you can set the map to highlight them.
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@dwhitemv’s solution is going to be best for most users. If you’d like to use the API to ping it, you could perform a quick query and request the last_seen
parameter.