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OpenFlight
DIY / open-source
$540One retailer
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Where to buy
No retailer offers are tracked for this unit right now. It may be discontinued, trade-in only, or between stock cycles. Prices refresh automatically the moment a tracked retailer lists it again.
Sold direct by My Sim SetupSee the shop
We sell these ourselves, in the same category as this one.
Verified research
From the MSS study: what the sensor measures, what it costs to run, and what it needs from the room.
RadarClub data: Speed onlySpin: Calculated
DIY radar for developers seeking transparency, low cost, and GSPro sim compatibility.
$540Hardware, best price
NoneRequired subscription
$540Five-year cost
Open-Source (Free): free, required.
Why people buy
Fully open-source & customizable
Low cost (~$540 DIY, no subscriptions)
GSPro sim-ready with data export
Active community (530+ GitHub stars)
Trade-offs
DIY self-assembly; Linux/Pi experience needed
Features may be incomplete/unstable (active dev)
Web UI only, no native mobile app
Spin rate estimated (no back/side breakdown)
Ball tracking
Ball SpeedMeasured
Launch AngleMeasured
Launch DirectionNot provided
Spin RateCalculated
Spin AxisNot provided
Club tracking
Club SpeedMeasured
Club PathNot provided
Face AngleNot provided
Attack AngleNot provided
From the verified MSS launch-monitor study: measured = read directly by the sensor; calculated = algorithm-derived.
PlacementSide, DIY radar beside golfer/ball. No minimum room depth published. Raspberry Pi 5 with USB sensor and LAN web UI.
EnvironmentBoth, indoor and outdoor
BallStandard golf balls (no special balls required)
Third-party simsSupported, Connects to GSPro and other sims via open data export. Optional Grafana Cloud dashboard.
The fine print
Active DIY/open-source project, not production hardware, features may be unstable. Self-assembly and Raspberry Pi expertise required. Estimated spin rate only. Fully free and open-source. No paid tiers required for core launch-monitor use.Specifications
Core Technology
Core Tech TypeRadar
Technology DetailDoppler/FMCW radar, OmniPreSense OPS243-A 24GHz radar (+ optional two K-LD7 angle radars), Raspberry Pi 5, sound trigger, Python. DIY self-build.
Performance Data
Ball Databall speed (30-220 mph), club speed, launch angle, spin rate, smash factor, est. carry · estimated (radar)
Club Dataclub speed (radar)
Compatibility
Sim Readiness and Software IncludedGSPro and others via open data; Grafana dashboards
Device / PC Reqs
Subscription CostFree / open-source software
Physical
Typical PlacementBeside golfer
PortableSemi-portable
MountingDIY, placed near the ball (radar)
DisplayOnboard touchscreen
Value
GradeConsumer
Best ForDIY builders & tinkerers who want an open, low-cost unit
Key TradeoffsActive community project (~530+ GitHub stars); README warns features may be incomplete/unstable.