2 second watchdog timer for both TX and RX
Add helpper for US FRS channels (beacon)
Typos and some grammar fixes
Merge pull request #9 from pwarren/master

Fixed some typos
RX: change RSSI PWM frequency to 32kHZ (from 500Hz)
RX: drop analogWrite usage and use timer directly for RSSI.
format
Fixup README
Initial support for the openLRSngTX board.
README: add note about forced PPM define.
Support for piezo on openLRSngTX.
Merge branch 'master' of https://github.com/kh4/openLRSng
Merge branch 'master' of git://github.com/kh4/openLRSng
Revert "2 second watchdog timer for both TX and RX"

This reverts commit df204293331a7b8674d344aa29e944b97159fb40.
Updated frequency calculations to work with 'highband', this should allow using 868MHz radios.
Add define for setting frequency limits for 868MHz modules.
Merge branch 'master' of git://github.com/kh4/openLRSng
some initial bedtime commit
shaping the cli dialog into something useful
cleanup