Hi MWS, and Evert.
Thanks for all your suggest.
Evert the Tutorial is really interessting Thanks.
Now after all the test, the result are betters. I have now 140µA. And think that I can't have less power. I have a Mosfet 2N7002 that consumme power.
And on the RX and TX line I have a emitter and receiver that consume too. I will test to disable the UART to see If I save more power, but I don't think so. And I have I2C device too with pull up resistor that consume power.
What do you think about ?
Best regards all
Thanks again
Vincent
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