WIP: ADC tests.
WIP: ADC works?
WIP: i2c stubs
WIP: i2c broken.
WIP: i2c better logic, broken.
WIP: i2c: add missing state change.
WIP: i2c: foo
WIP: i2c: send temperature in celsius.
WIP: low power modes: testing.
WIP: measuring with low power modes
WIP: enable adc and i2c.
Updated wireless-uart to use new architecture.