Ready to go miles instead of meters?! Take your FPV R/C experience to the next level with RealDriver! Other systems touting 4G/5G range require you to purchase expensive propritary hardware, sim cards and wireless plans. If you already own a 25 Servo Controller you are ready to go; no additional hardware is neded. Best of all RealDriver is free and open source!
- Two Android devices. The receiver device must be registered on a cellular network with data enabled. The transmitter device can either be connected to a cellular network or connected to WiFi with an iternet connection.
- The receiver device must have the Endurance R/C 25 Servo Controller attached.
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Power up the receiver android device, plug the USB OTG cable into the receiver device with the 25 Servo Controller into the OTG adapter. Next, connect the vehicles steering servo to CH1 and the ESC's to CH2 on the 25 Servo Controller board.
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Start the RealDriver app on the receiver device. For the sake of the tutorial name this device "receiver" and click the "START RECEIVER" button.
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Move to the transmitter device to complete the pairing. Once the camera feeds are synched initiate the connection to the 25 Servo Controller by pressing the USB button on the receiver device.
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Start the RealDriver app on the transmitter device. Enter a unique name like "transmitter" and press the "START TRANSMITTER" button.
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When prompted for the receiver name enter it here. In our case it was "receiver". Hit the "CONNECT" button. At this point both devices will be paired for this session. At this point you will be presented with a camera view of the respectable remote device.
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Most functions of RealDriver are like those found on most video confrencing apps.
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Once the camera feeds are synched and the USB controller is enabled you can change the view of the transmitter to landscape mode by rotating the transmitter Android device. The slider bars on both devices are now synched. Moving the bars on either device will cause the other device to respond.
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Pressing the down arrow button causes the control panel to be hiddend and joystick to be displayed. This joystick is synched to the steering and throttle channels.
- Mute Button: silences the remote device's audio.
- Camera Disable Button: this button disables the remote devices video feed.
- Hang Up Button: Exits the current paired state. Video, Audio and Data are all disabled.
- Rotate Screen Button: Rotates the screen to its alternate view.
- USB Connect Button: Connects the RealDriver app to the 25 Servo Controller plugged into the device.
- Map Button: Displays the current GPS coordinates and map data.
- Servo Endpoints Button: Reserved for future implementation.
- Down Arrow: Hides the slider and button panel and displays the joystick
- Joystick: Left-Right mapped to CH1. Up-Down mapped to CH2. The Gear Icon on the top left is displayed while in joystick mode. Pressing this will hide the joystick and return the controls menu.
- Ability to set channel end-points and neutral positions.
- Support for more than two channels.
- Web interface for use in any browser or OS.
- Meta Quest 3 support. Head tracking and hand controller support.
- Support for joysticks and game controllers connected to the Android device.
This app utilizes code from the following GitHub projects:
USBHIDTerminal by 452(emetemunoy) - https://github.com/452/USBHIDTerminal
JavaWebRTCYouTube by codewithkael - https://github.com/codewithkael/JavaWebRTCYouTube
Google Firebase Realtime Database: https://servowebrtc-b7721-default-rtdb.firebaseio.com
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