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i have a project to done which is

An arduino should send sensor data via bluetooth to raspberry pi

so my quetion is, is it anyway to make the arduino bluetooth into sleepmode?

because i want save the battery power, the arduino is powered by battery.

closed as too broad by VE7JRO, sempaiscuba, per1234, gre_gor, Juraj Jan 10 at 12:33

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