The Sentinel AAT brings bring a low cost DIY FPV antenna tracking solution to the market.
For Analogue video users only:
- INAV: A new approach for antenna tracking without the need for any additional hardware on the aircraft for most flight controllers. This is method is unique to the Sentinel AAT.
- MINIM OSD: It also supports all other FC’s that use minim hardware with MWOSD 2.0 and also many others with addition of a video telemetry module.
- This does require the aircraft to be GPS enabled, however GPS co-ordinates are not sent to the AAT. The aircraft controls the AAT tracking.
- Supports most FC firmware that are using TBS crossfire or ELRS.
- Traditional antenna tracking utilising GPS co-ordinates sent over WiFi / ESPNOW from a RC transmitter.
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*** This is a DIY kit only - you will need to provide your own 3D printed case ***
Key points - Analogue telemetry:
- Low cost DIY antenna tracker
- No extra hardware usually required on each aircraft - just GPS and INAV FC or minim OSD
- Does not use require WiFi or Bluetooth and all RC control links supported
- Simple and reliable tracking
- Ultra-fast position updating – up to 30 hz
Key points - Digital / Analogue over wireless (TBS or ELRS):
- Low cost DIY antenna tracker
- No extra hardware usually required on each aircraft - just GPS and supporting Telemetry system
- Built in WiFi - Most TBS RC TX supported without any additional hardware modules
- Built in ESPNOW - Most ELRS RC TX (with backpack) supported without any additional hardware modules
- Setup is slightly more complex than analogue video telemetry
- Position updating – typically 1-2 hz
Supported configurations:
The Sentinel currently supports the following two methods for driving the AAT:
- Telemetry data in an analogue video signal. Only analogue video is supported.
- Telemetry data over WIFi. Mavlink sent over WiFi UDP from RC TX to the AAT. Analogue video also supported in this mode.
- Telemetry data over ELRS. CRSF sent over ESPNOW from RC TX to the AAT. Analogue video also supported in this mode.
- Note ELRS and TBS are not supported simultaneously due to memory limitations
The following are specifically supported:
- Analog: iNav 3.0 onwards using FC with embedded 7456 IC
- Analog: All FC with external minim OSD running MWOSD 2.0 (Ardupilot / PX4 etc.)
- Analog/Digital: All FC using telemetry via TBS Crossfire or Tracer (check TX is compatible)
- Analog/Digital: All FC using telemetry via ELRS (TX must have backpack)
Features - analogue video telemetry:
Works with standard FC or minim osd boards running 7456 OSD IC and running supported iNav and MWOSD versions:
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No additional hardware required
Does not require Bluetooth / Wifi modules or adapters:
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Not impacted by 2.4G RC tx
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Not impacted by 2.4G Video tx
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Does not impact 2.4G RC rx.
Does not typically require modules on each aircraft:
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Significant cost saving. No additional expense for adding extra aircraft
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No additional weight
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Reduces wiring, complexity and failure points
Does not require telemetry feed from aircraft via RC transmitter:
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RC telemetry not required - supports all RC TX links. No limitations
Supports all RC TX:
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Supports all RC TX. Not limited to OpenTX etc
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Supports all RC link types. Not limited to specific RC TX modules such as Crossfire etc
Fast position tracking updates:
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Tracking data update refresh rates of 25-30hz
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Design optimised for maximum performance with poor signal quality
Features – wifi telemetry for analog or digital video system:
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No additional hardware required.
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Does not require Bluetooth / Wifi modules or adapters
Does not typically require modules on each aircraft:
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Significant cost saving. No additional expense for adding extra aircraft
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No additional weight
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Reduces wiring, complexity and failure points
Features - both:
Wifi enabled:
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Fully embedded GUI for configuring
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No additional hardware or software required
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Configure the AAT from PC or mobile device browser
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OTA - Over The Air software updates
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Wifi auto disables in flight for full compatibility with 2.4G video users
Alarm capabilities:
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Low battery physical alarm
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Loss of telemetry alarm
Physical Elements:
- Two independent video outputs – one RCA, one 4 pole Fatshark compatible
- OLED support to view battery voltage etc.
- Single channel audio output via Fatshark compatible connector
- Battery out for monitor etc.
- Status LED
Kit contents:
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Everything necessary to connect to FPV goggles except Battery, RX and antenna
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Tracker PCB
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Servos
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Components to complete PCB – connectors, LED, OLED, buzzer etc.
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Fixings to assemble 3D parts - bearings, screws, bolts etc.
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Video output cable – suitable for Fatshark 4 pole goggles
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XT60 power cables
- Servo cables for RX etc.
3D print components
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Easy print design
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STL files available for download
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Source files available
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Generated in FREE Google SketchUp for free and easy modifications.
Download
Downsides:
- Let’s be open – there are the downsides to every solution. Here are the key ones for this :
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Tracking data may be recorded by some DVR. This is unusual. (analogue telemetry only)
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The first row of OSD display becomes unavailable for OSD. However, this row is not usually fully visible. (analogue telemetry only)
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This does not use tracker GPS location – so cannot be used in a moving vehicle
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Not currently released as a continuous rotation unit
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Not currently available as a fully assembled unit
- Requires supply of your own 3D printed case
FC not supporting analog telemetry:
(Support for these is via TBS CRSF over WiFi or ELRS CRSF over ESPNOW)
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Analog: FRSKY/Pixel OSD based FC. e.g. Matek F722WPX.
- Analog: Ardupilot/PX4 using embedded OSD.
- Analog: Kiss / Fettec
DIY kit available to purchase:
Purchase Sentinel AAT with tracking - International shipping
Purchase Sentinel AAT with tracking - UK only