Dyno Software for Tuners
Dyno Software for Engine Builders & Tuners. From Karts & Mopeds to big Turbocharged Engines. Wifi or Ethernet Dashboard.

Dyno Software for Engine Builders & Tuners. From Karts & Mopeds to big Turbocharged Engines. Wifi or Ethernet Dashboard.

Best Dyno software for moped racing, small engines and engine builders.
New release – step-by-step guide (under 8 min) through all functions and settings: load cell calibration, brake/inertia modes, trends & compare runs, WiFi setup and more.
Karlsdiydyno V3.xx – System Connection Diagram
Wiring schematic for the Karlsdiydyno controller. The optional Signal Filter with Optocoupler is recommended for external signal inputs to reduce electrical noise, minimize signal interference, and protect the controller. Warning: The ESP32-S3 operates on 3.3V logic only. Never connect signals exceeding 3.3V directly to any controller input.
KarlsDIYDyno v.3.69 - (060726) fine tune inertia code. better drum filter. layout adjusted dashboard

($5.00 frakt)

T-Shirts available. Sizes from
Medium, Large, XL, XXL, XXXL, 4XL
All same price, will need couple more dollars to send to US due to tariffs.

($12.00 frakt)

Have made a strong filter module that will filter signals in noisy environment to steady squarewave. works on esp32, Raspberry, STM32 or any other device you run your software.

($12.00 frakt)

Preprogrammed with latest Firmware and Dashboard. wiring schematics showing where to connect RPM Hall, Drum/Brake Hall, Start/Stopp trigger, Loadcell and EGT.

($32.00 frakt)

Premium KarlsdiyDyno kit
1x karlsdiydyno V3 Gen-3 with latest firmware and Dashboard
2x hall sensors (engine rpm & drum rpm)
1x S-type Loadcell (default 30kg) enough up to 50hp
1x Assemblybox with connectors
1x Signal filter box
If you like my work, send me some cash to my PayPal.
At least so i can buy a beer or 2


Karls DIY Dyno Has options for calibration and Tare of Loadcell

Karls DIY Dyno has options for setting range on the Dials and Trends

Karl DIY Dyno Has the option for Brake Dyno or Inertia Dyno.

Karl DIY Dyno has the options to define various parameters on the inertia drum / wheel.

Karls DIY Dyno Boots as default with "karlsdyno" wireless access point active. connect using "karlsdyno" as password, use as is if you like or connect it to your wireless network at home. Have added mistake protection in my code, so if it fails to connect to other WIFI it will revert back to default mode in about 10 seconds.

Compare runs
Special requests or need, get in touch. Custom software solution can be provided.
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