FreeCalypso C139 & Pirelli update

Das Signal das.signal at
Mon Dec 18 15:54:48 UTC 2017

Hi Mychaela,

Battery support for the C139 is very cool! It's a great step towards
a fully usable C139 with a free firmware.

I was wondering: how do you measure energy consumption? Do you need
external equipment such as a scope or multimeter?


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