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Lappy
Dragy Pro, on your dash.
A 3.49-inch strip display for street, drag and track. It pairs straight to Dragy Pro — no phone in the loop.
640×172
3.49-inch touch strip
7
drag tests
3
display modes
25Hz
Dragy Pro supported
Street 0.0.2+
Read it at a glance.
Speed fills the screen in numerals you can read without looking twice. Swipe for trip and GPS detail.
Live speed
In km/h or mph. Stale data is cleared instead of presented as live.
Trip
Distance, peak speed and moving time. Stationary filtering prevents parked GPS drift.
GPS
Position, altitude, satellites, accuracy and measured rate.
Drag 0.0.4+
Seven tests. One run.
Measure supported tests side by side. Each attempt is checked for GPS quality, invalid runs explain why, and valid personal bests are kept.
0–100km/h
60–160km/h
100–200km/h
200–300km/h
¼ mile402 m
½ mile805 m
100–0km/h braking
Track 0.0.10+
Every lap counts.
Record your own course, set the gates, and drive. The live delta uses a sign as well as green or red to compare with your best valid reference.
Your courses
Circuits or point-to-point routes, recorded and named by you.
Gates and splits
Directional start/finish and up to two split gates.
Live delta
Against a valid reference, with a sign — not colour alone.
Session
Laps, splits and PBs, with invalid attempts marked.
Two looks. Same instrument.
Classic
Warm and quiet. Easy on the eyes at night.
Race
Race-dash character. Cells and clear, readable numbers.
Design renderings · simulated screens · Race from firmware 0.5.0
Idle, but never boring.
Classic car
Exterior and cabin companion views, cycled with a short PWR press.
Clock face
Hands and digits in 12- or 24-hour time. Set manually in Settings.
Design renderings · simulated screens
More features.
Save before shutdown
Hold PWR for a coordinated save and shutdown.
USB updates
A verified internal-flash backup comes before application-only writes.
Direct to Dragy
A direct Bluetooth connection without a phone.
Brightness and rotation
Choose supported brightness steps and 180° orientation.
Measured receiver rate
See the actual stream rate; requested settings are reported separately.
Keep Lappy current.
USB updates in your browser, after a verified backup.