Backpack Documentation

Who should update from V1.2?

• Rapidfire users
• Owners of the new hardware listed below

New Targets

• HDZero goggles

New Features

• Wireless head tracking support #83
  • Support has been added into VRx backpack, TX backpack and the main ELRS TX firmware to allow head tracking information wirelessly from the goggles to the TX module and then mixed into the channel output. Currently only supported by HDZero goggles but we are hopeful that other goggle manufacturers will add support
• OSD overlay support #72, #84
• HDZero goggle NTP clock update #86
  • Update the RTC clock on the HDZero goggles using NTP via the VRx backpack!

Maintenance

• TX Backpack reports version to TX module #75
  • Shows that the backpack is functioning and the version it is running

Fixes

• Fix for rapidfire module not entering into SPI mode #82
• Remove . from target names #88
  • This broke the standalone HDZero VRx, thanks PlatformIO :sob:!

A note on versioning

The versioning scheme chosen by the ExpressLRS devs is based on the semantic versioning scheme. Where a version is defined as “major.minor.patch” major = major new feature and/or incompatible changes minor = minor features or enhancements and/or new targets patch = bug-fixes