OMPHobby ESC Firmware Update Instructions

To update the OMPHobby ESC you will need the OSHM4118 OMPHobby Bluetooth module to perform the firmware update on your OMPHobby ESC.

OMP 65A ESC Firmware Download

Version	Changelog
B3.4 for 65A ESC	-Added Mikado VBar Control Telemetry -Added automatic telemetry protocol detection -Enabled auto-rotation bailout by default (refer to M4 manual for usage) -Simplified motor timing selection -Bug fixes and improvements

OMP 85A ESC Firmware Download

Version	Changelog
B2.2 for 85A ESC	-Added Mikado VBar Control Telemetry -Added automatic telemetry protocol detection -Enabled auto-rotation bailout by default (refer to M4 MAX manuals for usage) -Simplified motor timing selection -Bug fixes and improvements

Connection Diagram

Firmware update instructions

• Install SunnySky App on your phone / Tablet. Start the App. Allow app to use bluetooth connection.
  iOS App: Sunnysky ESC iOS App
  Android App: Sunnysky ESC Android App
• Download the appropriate firmware file for your ESC from the top of this page
• Extract the zip file and save the .sqlite file to a known location on your phone/tablet
• Connect the Bluetooth module to ESCs programming port as shown in the Connection Diagram above.
• Connect Battery to ESC.
• Press the Bluetooth button to scan.

• You should see a device with name “BLE-1234”. The number will be different for every module.
• Press Connect button next to it
• Now the Red LED on Bluetooth module should be turned ON and the Bluetooth circle on the App should be green. This means Bluetooth link is active.

• Import the sqlite firmware file to the app. On Android, open the firmware zip file with the app.

• The app should now allow you to choose the new firmware version. Choose the required firmware and press OK.
• Firmware update process will take a while. Do not close the app or power down the ESC till the update procedure is completed.

This completes Firmware update of your ESC.