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A comment on Show HN: I built this notifying device – electronics, code, design, marketing. Parent comment
It uses about 225mA @ 3.2V.
The connection/handshaking take about 5-7 seconds to talk to a local server, plus the time for whatever data you are sending.
When talking to an internet based server, the connection time can extend out to 20+ seconds.
So you can see wifi isn't the greatest choice for low power/battery operated environments.
(Now on something you don't mind recharging a few times a week, it is perfect.)
It uses about 225mA @ 3.2V.
The connection/handshaking take about 5-7 seconds to talk to a local server, plus the time for whatever data you are sending.
When talking to an internet based server, the connection time can extend out to 20+ seconds.
So you can see wifi isn't the greatest choice for low power/battery operated environments.
(Now on something you don't mind recharging a few times a week, it is perfect.)