Comments (6)
m-kozlowski
commented on July 1, 2024
1
segment lcd current draw is low. Very low. Probably somewhere around 1-2uA. Typical cr2032 is enough to run it for more than 5 years.
Comparing it to the power consumption of mcu, bluetooth communication and sensors it's absolutely negligible.
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atc1441
commented on July 1, 2024
Good question if that increases the battery life.
I like the idea!
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atc1441
commented on July 1, 2024
A problem is that we dont know how to turn the screen of.
There are no infos available about the controller and we only have i2c and no reset pin.
What would be possible is to turn off updates of the LCD
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ralf-e
commented on July 1, 2024
is there read access to the LCD controller? If not, unsolder ...
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atc1441
commented on July 1, 2024
The stock firmware does not read from the controller.
So we dont know how to read.
The stock firmware only writes the init and then the segment sequenz.
We could simply only send the init and never really update its just the question how much it saves
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atc1441
commented on July 1, 2024
Yeah BLE is definitely the most consumption
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Related Issues (20)
- Delta time calculation is bugged
- Show custom text
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