Firmware 235 to 245

[Bytexx]

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DO NOT UPDATE YOUR FIRMWARE UNLESS THERE IS A FEATURE ON IT THAT YOU NEED.
ONLY UPGRADE YOUR FIRMWARE WHEN ON GOVERLAY 1.6.9.11 OR NEWER
ONLY UPGRADE IF YOU ARE ON 235

Changelog on 245:
- Added feature to be able to turn the device 180 degrees. Works with GOverlay on at least 1.6.9.11

Risks on upgrading firmware:
If the upgrade is stopped half way it can brick the device.
If there is a disconnection during upgrade it can brick the device.
ONLY UPDATE IF YOU REQUIRE ANY OF THE FEATURES OF THIS UPDATE

Steps to upgrade firmware: