added menu position showing the time since last start/reset

compensate ADC non-linearity, update measurements also when heating is ...

off, added some comments

try to make sure the display is cleared before last text is displayed, ...

minor improvement, added TODO

fixed compiler errors in tests

fixes and improvements for oxygen sensor heating control

changed message

added basic i18n support and German translation

two more test for module rules

do not return from main() after test completed, cancel alerts fired ...

during tests

added tests for rules

fixed message of rule airgate25 and tried to improve rule fireOut

adjusted test

back to programmer port /dev/ttyACM3...

no need to skip "last text" display, comment edit

experimental implementation of rules to notify about certain conditions ...

during burndown

refactored/renamed module "usart", use own implementation, added test, ...

updated comments, some cleanup

fixed some comments

Merge branch 'master' of https://github.com/gitdode/lambda-avr.git

improved comments, made parameter constant

created LICENSE.md

mention unit test framework AVRJUnit

improved sound quality of the beep

added ability to set beep tone and a command to test/play with beeps

added tests for module "alert"

updated comments

adjusted test some more

new way of running tests

test new way of running tests

split tests into modules

updated gitignore